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System Function FX - Revision history
2024-03-28T13:09:05Z
Revision history for this page on the wiki
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WikiSysop: /* Dyadic Function */
2017-06-03T20:55:51Z
<p><span dir="auto"><span class="autocomment">Dyadic Function</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 20:55, 3 June 2017</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Dyadic Function==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Dyadic Function==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">WITH Execution Properties</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
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WikiSysop
http://wiki.nars2000.org/index.php?title=System_Function_FX&diff=3079&oldid=prev
WikiSysop: /* Monadic Function */
2017-06-03T20:55:28Z
<p><span dir="auto"><span class="autocomment">Monadic Function</span></span></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Monadic Function==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Monadic Function==</div></td></tr>
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WikiSysop
http://wiki.nars2000.org/index.php?title=System_Function_FX&diff=3078&oldid=prev
WikiSysop: /* Dyadic Function */
2017-06-03T20:54:37Z
<p><span dir="auto"><span class="autocomment">Dyadic Function</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 20:54, 3 June 2017</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> <tr></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div> <tr></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> <td valign="top"><apll>Z←L ⎕FX R</apll></td></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> <td valign="top"><apll>Z←L ⎕FX R</apll><ins style="font-weight: bold; text-decoration: none;">&nbsp;&nbsp;&nbsp;Fix a function and Set its function timestamp</ins></td<ins style="font-weight: bold; text-decoration: none;">></ins></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> <td><del style="font-weight: bold; text-decoration: none;">Right argument </del>R is the same as the monadic call</td></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> </tr></ins></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> <td><del style="font-weight: bold; text-decoration: none;">Left argument </del>L is a <del style="font-weight: bold; text-decoration: none;">boolean </del>vector <del style="font-weight: bold; text-decoration: none;">with 1=turn ON property, 0=turn OFF property</del></td></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> <tr</ins>></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> <td><del style="font-weight: bold; text-decoration: none;">Not yet fully documented, awaiting full documentation.</del></<del style="font-weight: bold; text-decoration: none;">td</del>></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> <td><ins style="font-weight: bold; text-decoration: none;"><apll></ins>R<ins style="font-weight: bold; text-decoration: none;"></apll> </ins>is the same as <ins style="font-weight: bold; text-decoration: none;">in </ins>the monadic call</td<ins style="font-weight: bold; text-decoration: none;">></ins></div></td></tr>
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<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> <tr</ins>></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> <td><ins style="font-weight: bold; text-decoration: none;"><apll></ins>L<ins style="font-weight: bold; text-decoration: none;"></apll> </ins>is a <ins style="font-weight: bold; text-decoration: none;">7-element numeric </ins>vector <ins style="font-weight: bold; text-decoration: none;">which contains the new timestamp &mdash; the format is the same as for <apll>⎕TS</apll>.</ins></td<ins style="font-weight: bold; text-decoration: none;">></ins></div></td></tr>
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<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> <tr</ins>></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> <td><ins style="font-weight: bold; text-decoration: none;"><apll>Z</ins></<ins style="font-weight: bold; text-decoration: none;">apll</ins>> <ins style="font-weight: bold; text-decoration: none;">is the result of fixing the function as described in the monadic case.</ins></div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></table></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></table></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">Sample Output </del>Function <del style="font-weight: bold; text-decoration: none;">Properties(</del>to <del style="font-weight: bold; text-decoration: none;">potentially or hypothetically switch on/off):</del><<del style="font-weight: bold; text-decoration: none;">br</del>></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><br /></ins></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><<del style="font-weight: bold; text-decoration: none;">u</del>>'''<del style="font-weight: bold; text-decoration: none;">Function</del>'''<<del style="font-weight: bold; text-decoration: none;">/u</del>><del style="font-weight: bold; text-decoration: none;">:</del><<del style="font-weight: bold; text-decoration: none;">br</del>></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">The dyadic version of this System </ins>Function <ins style="font-weight: bold; text-decoration: none;">first fixes the function as per <apll>R</apll>. If that is successful, it then changes the timestamp </ins>to <ins style="font-weight: bold; text-decoration: none;">that of </ins><<ins style="font-weight: bold; text-decoration: none;">apll</ins>><ins style="font-weight: bold; text-decoration: none;">L</ins><<ins style="font-weight: bold; text-decoration: none;">/apll</ins>><ins style="font-weight: bold; text-decoration: none;">. If the User Preference </ins>'''<ins style="font-weight: bold; text-decoration: none;">Use local time (instead of UTC)</ins>''' <ins style="font-weight: bold; text-decoration: none;">is checked, the timestamp in </ins><<ins style="font-weight: bold; text-decoration: none;">apll</ins>><ins style="font-weight: bold; text-decoration: none;">L</ins><<ins style="font-weight: bold; text-decoration: none;">/apll</ins>> <ins style="font-weight: bold; text-decoration: none;">is assumed to be in Local Time; otherwise, the timestamp is assumed to </ins>be <ins style="font-weight: bold; text-decoration: none;">in UTC. The time stored internal to the function is always in UTC.</ins></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* Can/Cannot </del>be <del style="font-weight: bold; text-decoration: none;">displayed - viewed</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* Can/Cannot be suspended - halted</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">If <apll>L<</ins>/<ins style="font-weight: bold; text-decoration: none;">apll> is not valid, the appropriate error is signaled</ins>.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* Does</del>/<del style="font-weight: bold; text-decoration: none;">does Not ignore attention signal(e.g</del>. <del style="font-weight: bold; text-decoration: none;">Ctrl-C or Ctrl-Break)</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* Converts ANY nonresource error to DOMAIN ERROR</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><p>For example:<</ins>/<ins style="font-weight: bold; text-decoration: none;">p></ins></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* Can</del>/<del style="font-weight: bold; text-decoration: none;">Cannot be modified/locked</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''<del style="font-weight: bold; text-decoration: none;">Quad FX</del>''' <del style="font-weight: bold; text-decoration: none;">sample </del>''<del style="font-weight: bold; text-decoration: none;">dyadic</del>'' <del style="font-weight: bold; text-decoration: none;">usage: not yet documented.</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><apll><pre></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> ⎕←⎕FX </ins>'<ins style="font-weight: bold; text-decoration: none;">Z←L g R</ins>' '<ins style="font-weight: bold; text-decoration: none;">Z←L,R</ins>'</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">g</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> 2 ⎕AT </ins>'<ins style="font-weight: bold; text-decoration: none;">g</ins>'</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">2017 6 3 15 58 59 104 </ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> ⎕←(⎕TS+7↑1) ⎕FX 'Z←L g R</ins>' '<ins style="font-weight: bold; text-decoration: none;">Z←L,R'</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">g</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> 2 ⎕AT </ins>'<ins style="font-weight: bold; text-decoration: none;">g</ins>'</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">2018 6 3 15 59 5 593 </ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></pre></apll></ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{SFDM|FX}}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{SFDM|FX}}</div></td></tr>
</table>
WikiSysop
http://wiki.nars2000.org/index.php?title=System_Function_FX&diff=2517&oldid=prev
Robert Wallick: Created Quad FX page
2015-02-15T06:03:38Z
<p>Created Quad FX page</p>
<p><b>New page</b></p><div><h1>Quad FX - FIX or Function eXecute - '''⎕FX''' &nbsp; &nbsp; System Function</h1><br />
<br />
==Monadic Function==<br />
<h3> No Execution Properties (no ''special'' properties in the output function established/fixed)</h3><br />
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<td valign="top"><apll>Z←⎕FX R</apll></td><br />
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<td><apll>R</apll> is either a '''character matrix''' OR a '''vector of strings''' for a <u>'''function'''</u>'s representation in character matrix or string form.</td><br />
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<td><apll>Z</apll> returned will be the '''function name''' OR the '''line number''' of the function which failed to be established in the workspace.</td><br />
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'''Quad FX''' FIX sample ''monadic'' use/user session(with comments at right):<br />
<pre><br />
)FNS ⍝ In a CLEAR NARS APL workspace there are NOT YET any functions<br />
⎕NL 3 ⍝ Similarly, Quad Name List will show NO user functions<br />
⍴⎕NL 3<br />
0 0<br />
X←'Z←Total vecNums' 'Z←+/vecNums' '"The Total is: ",Z' ⍝Var X is assigned 3 vectorized strings for a NEW funct.<br />
X ⍝ X has 3 elements, 1) function header, 2) APL code statement #1, 3) APL code statement #2<br />
Z←Total vecNums Z←+/vecNums "The Total is: ",Z <br />
⎕FX X ⍝ Here variable X is attempted to be Function eXecuted or FIXed into a NEW function<br />
Total ⍝ ⎕FX or FIX attempt SUCCEEDED and APL returns the Function NAME(Total)<br />
Total ⍳5 ⍝ The first "use" of function Total attempts to Total 5 numbers(iota 5), 1+2+3+4+5<br />
The Total is: 15<br />
15<br />
)FNS ⍝ Now a list of functions in the workspace shows function 'Total' exists<br />
Total <br />
⎕VR 'Total' ⍝ Request function Total's Virtual Representation (1 header row plus 2 APL statement rows)<br />
∇ Z←Total vecNums<br />
[1] Z←+/vecNums<br />
[2] "The Total is: ",Z<br />
∇ 2015 2 15 4 38 9 863 (UTC)<br />
</pre><br />
When is ⎕FX useful?<br />
* You are using a different function editor than the one supplied with NARS and need to re-establish or fix the function into the workspace.<br />
* You have read in an APL function into APL from a different APL software package OR outside source, and need to make the function read-in '''active''' in the current workspace.<br />
* Your program has automatically created a function in string form, on the fly, and you need to make it active.<br />
* You have external libraries of APL functions and only want to use them as needed, thus you read in the file and FIX the functions, then use them.<br><br />
<br />
==Dyadic Function==<br />
WITH Execution Properties<br />
<table border="1" cellpadding="5" cellspacing="0" rules="none" summary=""><br />
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<td valign="top"><apll>Z←L ⎕FX R</apll></td><br />
<td>Right argument R is the same as the monadic call</td><br />
<td>Left argument L is a boolean vector with 1=turn ON property, 0=turn OFF property</td><br />
<td>Not yet fully documented, awaiting full documentation.</td><br />
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Sample Output Function Properties(to potentially or hypothetically switch on/off):<br><br />
<u>'''Function'''</u>:<br><br />
* Can/Cannot be displayed - viewed<br />
* Can/Cannot be suspended - halted<br />
* Does/does Not ignore attention signal(e.g. Ctrl-C or Ctrl-Break)<br />
* Converts ANY nonresource error to DOMAIN ERROR<br />
* Can/Cannot be modified/locked<br />
'''Quad FX''' sample ''dyadic'' usage: not yet documented.<br />
<br />
{{SFDM|FX}}</div>
Robert Wallick