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<p><br>
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<p>Hello Hermes,</p>
<p><br>
</p>
<p>If you're using Scilab 6.0.0 the function numderivative is in the differential_equations module so you should use:</p>
<p><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;"> </span>
<font size="2"><span style="font-size:10pt;"><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;">exec(</span><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;">SCI+"\</span><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;">modules\</span><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;">differential_equations</span><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;">\macros\numderivative.sci</span><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;">"</span><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;">,
-1</span><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;">);</span></span></font></p>
<p><font size="2"><span style="font-size:10pt;"><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;"><br>
</span></span></font></p>
<p>If you want your script to be compatible with both versions you can add:</p>
<p><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;"> </span>
<span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;">v = getversion("scilab");</span></p>
<p><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;"> if v(1)<6 then</span><br>
</p>
<p><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;"> </span>
<font size="2"><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;">exec(SCI+"\modules\optimization\macros\numderivative.sci", -1);</span></font></p>
<p><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;"> else</span><br>
</p>
<p><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;"> </span>
<font size="2"><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;">exec(SCI+"\modules\differential_equations\macros\numderivative.sci", -1);</span></font><br>
</p>
<p><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;"> end</span></p>
<p><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;"><br>
</span></p>
<p><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;">Best regards,</span></p>
<p><span style="font-size: 11pt; font-family: Arial,Helvetica,sans-serif;">Paul</span><br>
</p>
<p><br>
</p>
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<p></p>
<div><span style="color:rgb(117,123,128)">Paul BIGNIER</span><br>
<span style="color:rgb(117,123,128)">Development engineer</span><br>
<span style="color:rgb(117,123,128)">-----------------------------------------------------------</span><br>
<span style="color:rgb(117,123,128)">ESI Group - Scilab</span><br>
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<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> users <users-bounces@lists.scilab.org> on behalf of Hermes <herozigle@gmail.com><br>
<b>Sent:</b> Monday, November 20, 2017 10:50 AM<br>
<b>To:</b> users@lists.scilab.org<br>
<b>Subject:</b> Re: [Scilab-users] The numderivative function</font>
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<div class="BodyFragment"><font size="2"><span style="font-size:10pt;">
<div class="PlainText">Hi,<br>
When I execute the command:<br>
exec(SCI+"/modules/optimization/macros/numderivative.sci",-1);<br>
<br>
I get the following Scilab alert:<br>
<br>
exec('C:\Draghilev''sMethod_4.sce', -1)<br>
at line 14 of executed file C:\Draghilev'sMethod_4.sce<br>
at line -15 of executed file C:\Draghilev'sMethod_4C.sce<br>
<br>
exec: Cannot open file<br>
C:\PROGRA~1\SCILAB~1.0\modules\optimization\macros\numderivative.sci.<br>
<br>
the command is inserted in the script before calling the fumciont ode.<br>
it is right?<br>
Gracias<br>
<br>
<br>
<br>
--<br>
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