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<font size="+1">I mostly use Matlab and Simulink or my own software
but I can see that in Xcos I can define parameters that control
parameters inside the blocks. The Simulation menu item in Xcos
has the option to define the integration method and there are some
choices you can make about maximum stepsize for Runge Kutta, which
is basically a fixed step approach but they may be embedding it in
a variable step size environment so it will make adjustments (to
smaller steps). There is within the [Simulation] item a [Set
Context] option that allows you to deliver numeric values into the
simulation as well. Also, I suspect that if you specify a clock to
drive the sampling of a "scope" you can implicitly define a
maximum step size.<br>
With regard to the operations of multiply and divide I'd say "be
careful" because a division is a strange thing to have in a real
physical system so I'd be looking at your understanding of the
system you were modelling and ask why it appears at all.<br>
Hope this helps<br>
Mike McCann<br>
<a class="moz-txt-link-abbreviated" href="http://www.mccannscience.com/mcsimapn.htm">www.mccannscience.com/mcsimapn.htm</a><br>
============================================<br>
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<div class="moz-cite-prefix">On 01/04/2016 18:41, laftek wrote:<br>
</div>
<blockquote cite="mid:1459536107077-4033886.post@n3.nabble.com"
type="cite">
<pre wrap="">Hi there. I see nobody is responding. Could somebody at least help me with
step size ? Is there any chance I can set it manually ? This is what I mean.
<a class="moz-txt-link-rfc2396E" href="http://mailinglists.scilab.org/file/n4033886/QCmJHDD.png"><http://mailinglists.scilab.org/file/n4033886/QCmJHDD.png></a>
Could you help with Singularity in a block either? If I use mathematical
operator : multiplication
<a class="moz-txt-link-rfc2396E" href="http://mailinglists.scilab.org/file/n4033886/2016-04-01_20_35_15-Palette_browser_-_Xcos.jpg"><http://mailinglists.scilab.org/file/n4033886/2016-04-01_20_35_15-Palette_browser_-_Xcos.jpg></a>
I am getting error : Singularity in a block. But if I use instead this one
<a class="moz-txt-link-rfc2396E" href="http://mailinglists.scilab.org/file/n4033886/2016-04-01_20_36_04-Palette_browser_-_Xcos.jpg"><http://mailinglists.scilab.org/file/n4033886/2016-04-01_20_36_04-Palette_browser_-_Xcos.jpg></a>
I am not longer getting singularity problem. Is there some workaround for
division block ? I tried to use PROD_f with u^-1 or 1/u but nothing works. I
really need it
Thanks !
--
View this message in context: <a class="moz-txt-link-freetext" href="http://mailinglists.scilab.org/Phase-shift-and-step-size-in-XCOS-electrical-tp4033797p4033886.html">http://mailinglists.scilab.org/Phase-shift-and-step-size-in-XCOS-electrical-tp4033797p4033886.html</a>
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</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Dr.M.J.McCann,MJMcCann-Consulting
</pre>
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