https://ascend4.org/index.php?action=history&feed=atom&title=Syntax_improvement
Syntax improvement - Revision history
2026-05-03T19:28:16Z
Revision history for this page on the wiki
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https://ascend4.org/index.php?title=Syntax_improvement&diff=17&oldid=prev
UploadBot: Restored page from Google Cache, uploaded by John Pye *** existing text overwritten ***
2010-05-13T13:24:11Z
<p>Restored page from Google Cache, uploaded by John Pye *** existing text overwritten ***</p>
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UploadBot
https://ascend4.org/index.php?title=Syntax_improvement&diff=16&oldid=prev
Jpye at 08:42, 13 May 2010
2010-05-13T08:42:05Z
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<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;"><a href="/index.php?title=PerennialIssues&amp;action=edit&amp;redlink=1" class="new" title="PerennialIssues (page does not exist)"></del>PerennialIssues<del style="font-weight: bold; text-decoration: none;"></a> </del>with ASCEND methods, 2005.12.26</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;">[[</ins>PerennialIssues<ins style="font-weight: bold; text-decoration: none;">]] </ins>with ASCEND methods, 2005.12.26</div></td></tr>
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Jpye
https://ascend4.org/index.php?title=Syntax_improvement&diff=12&oldid=prev
Jpye: Restored page from Google Cache, uploaded by John Pye
2010-05-13T08:15:42Z
<p>Restored page from Google Cache, uploaded by John Pye</p>
<p><b>New page</b></p><div>{{task}}<br />
<br />
<br />
== Changes completed ==<br />
<br />
* Added 'ASSERT expr' statement for [[ModelSelfTesting]].<br />
* Added 'FIX varlist' statement to facilitate more concise <tt>specify</tt> methods.<br />
* Added 'FREE varlist'<br />
* Added short-form 'IMPORT librarystemname' (assumes registration function named is <tt>librarystemname_register</tt>)<br />
* Added a standard fall-back implementation of 'default_all'<br />
* New standard method 'on_load'.<br />
<br />
== Changes agreed ==<br />
<br />
== Changes proposed ==<br />
<br />
* Add a 'PLOT instance' statement (currently only possible with [[ExtPy]]).<br />
* Add a 'SOLVE [WITH solver]' statement (can instead use <tt>IMPORT "sensitivity/solve"</tt>)<br />
* Add a 'SOLVER paramname&nbsp;:= paramvalue' statement for setting solver params (can instead use <tt>IMPORT "johnpye/solvernotes"</tt>)<br />
* Add an 'OBSERVE varlist' statement (no alternative is yet in place)<br />
* Add 'INDEPENDENT t '''IS_A''' time' statement for specifying independent variable in ODE/DAE simulation.<br />
* Add [[LINK syntax]]<br />
* Add 'der(x)' statement for declaring/expressing derivatives of other variables.<br />
* Reinvent the syntax entirely, in a much more open-source friendly way. [[AscendXSyntax]] discussion.<br />
<br />
== No longer under consideration ==<br />
<br />
* Add 'PYTHON METHOD methodname' (see [[ExtPy]] for alternative approach)<br />
* Add 'METHOD methodname FROM PYTHON "filename"' (see [[ExtPy]] for alternative approach)<br />
<br />
== Discussions ==<br />
<br />
* <a href="/index.php?title=PerennialIssues&amp;action=edit&amp;redlink=1" class="new" title="PerennialIssues (page does not exist)">PerennialIssues</a> with ASCEND methods, 2005.12.26<br />
* <a href="/index.php?title=ConnectingToHighLevelLanguages&amp;action=edit&amp;redlink=1" class="new" title="ConnectingToHighLevelLanguages (page does not exist)">ConnectingToHighLevelLanguages</a>, 2006.01.08<br />
<br />
<br />
<br />
[[Category:Proposed]]<br />
[[Category:Development]]</div>
Jpye