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<div>Dear Mr Zhu,</div>
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<div id="AppleMailSignature">I have coupled trnsys17 with matlab 2001 and developed a model that solves an optimization problem using "linprog" with no problems.</div>
<div id="AppleMailSignature">Are you sure matlab is correctly coupled with trnsys?</div>
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<div id="AppleMailSignature">Best regards,</div>
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<div id="AppleMailSignature">Oussama<br>
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Sent from my iPhone</div>
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On Aug 7, 2017, at 5:08 AM, 朱倩雯 via TRNSYS-users <<a href="mailto:trnsys-users@lists.onebuilding.org">trnsys-users@lists.onebuilding.org</a>> wrote:<br>
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<p style="margin:0in 0in 0in 0.375in;font-family:SimSun;font-size:12pt"><span lang="en-US" style="font-family:Consolas;font-size:12pt">Hello! I am a Chinese </span><span lang="zh-CN" style="font-family:Consolas;font-size:12pt">graduate student</span><span lang="en-US" style="font-family:Consolas;font-size:12pt">,
and our lab uses TRNSYS to do some research about microgrid. Now we have some problem about TRNSYS calling Matlab.</span></p>
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<p style="margin:0in 0in 0in 0.375in;font-family:SimSun;font-size:12pt"><span style="font-size:12pt;font-family:Consolas">(1) The m-file which was called by TRNSYS contains a function from a Matlab toolbox---yalmip. The toolbox is downloaded from Internet.
But there is an error "undefined function or variable 'sdpvar'" ('sdpvar' is a function from yalmip toolbox), so the TRNSYS simulation cannot run successfully.</span></p>
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<p style="margin:0in 0in 0in 0.375in;font-family:SimSun;font-size:12pt"><span lang="en-US" style="font-family:Consolas;font-size:12pt">(2) In addition, we try to use the Matlab optimization toolbox function linprog() in the m-file which was called by TRNSYS.
The format is like'</span><span lang="zh-CN" style="font-family:Consolas;font-size:12pt">[x,fval]=linprog(f,[],[],<wbr>Aeq,beq,lb);</span><span lang="en-US" style="font-family:Consolas;font-size:12pt">'. But a similar error appears again, "undefined function
or variable 'fval'".</span></p>
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<p style="margin:0in 0in 0in 0.375in;font-family:SimSun;font-size:12pt"><span style="font-size:12pt;font-family:Consolas">So, is it able to use Matlab toolbox function when TRNSYS calls Matlab file? Especially the toolbox installed by user. If it is, is there
some extra operation?</span></p>
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<p style="margin:0in 0in 0in 0.375in;font-family:SimSun;font-size:12pt"><span lang="zh-CN" style="font-family:Consolas;font-size:12pt">I would be grateful if you can give me a reply at your earliest</span><span lang="en-US" style="font-family:Consolas;font-size:12pt"> </span><span lang="zh-CN" style="font-family:Consolas;font-size:12pt">convenience</span><span lang="en-US" style="font-family:Consolas;font-size:12pt">.</span></p>
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<span style="font-size:12pt">Sincerely,</span></p>
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<span style="font-size:12pt">Qianwen Zhu</span><span style="font-size:12pt"> </span></p>
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