https://forums.autodesk.com/t5/flexsim-forum/how-to-put-ga-into-my-model/m-p/13585394#M82457 <DIV class="fr-view clearfix"><P>It looks like you are trying to put python code directly in the FlexScript window. This is not possible. You should write a .py file, not in the model, and then only reference a file name and function name in FlexSim. You also need to toggle the node as "external" not as FlexScript.</P><P><span class="lia-inline-image-display-wrapper" image-alt="1698337037164.png"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1520694iCE3E7B818183AC20/image-size/large?v=v2&amp;px=999" role="button" title="1698337037164.png" alt="1698337037164.png" /></span></P><P>If you want to optimize your model, you should consider an optimizer license. The optimizer that comes with FlexSim uses many evolutionary algorithms, including GA, to optimize the model.</P><P>If you really want to write your own optimization algorithm, I'd recommend you use FlexSimPy and treat the model as a black box, rather than trying to optimize within FlexSim. Create a model that is governed by model parameters. Then use FlexSimPy to launch the model, set the parameters, and obtain performance measures. You can do this in a loop.</P><P><A href="https://github.com/flexsim/FlexSimPy">https://github.com/flexsim/FlexSimPy</A></P></DIV> Thu, 26 Oct 2023 16:26:54 GMT JordanLJohnson 2023-10-26T16:26:54Z https://forums.autodesk.com/t5/flexsim-forum/how-to-put-ga-into-my-model/m-p/13585393#M82456 <P><I>[ FlexSim 22.2.0 ]</I></P><DIV class="fr-view clearfix"> <P><A rel="noopener noreferrer" href="https://answers.flexsim.com/storage/attachments/75210-perfect.py" target="_blank">PERFECT.py</A></P> <P><span class="lia-inline-image-display-wrapper" image-alt="1698304212060.png"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1520696i70D2260736F1487A/image-size/large?v=v2&amp;px=999" role="button" title="1698304212060.png" alt="1698304212060.png" /></span><span class="lia-inline-image-display-wrapper" image-alt="1698304365096.png"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1520697iAFE6E3A26D128326/image-size/large?v=v2&amp;px=999" role="button" title="1698304365096.png" alt="1698304365096.png" /></span></P> <P>I need to put GA into my model，but I don't know how to put in</P> </DIV> Thu, 26 Oct 2023 07:14:31 GMT https://forums.autodesk.com/t5/flexsim-forum/how-to-put-ga-into-my-model/m-p/13585393#M82456 Sean21 2023-10-26T07:14:31Z https://forums.autodesk.com/t5/flexsim-forum/how-to-put-ga-into-my-model/m-p/13585394#M82457 <DIV class="fr-view clearfix"><P>It looks like you are trying to put python code directly in the FlexScript window. This is not possible. You should write a .py file, not in the model, and then only reference a file name and function name in FlexSim. You also need to toggle the node as "external" not as FlexScript.</P><P><span class="lia-inline-image-display-wrapper" image-alt="1698337037164.png"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1520694iCE3E7B818183AC20/image-size/large?v=v2&amp;px=999" role="button" title="1698337037164.png" alt="1698337037164.png" /></span></P><P>If you want to optimize your model, you should consider an optimizer license. The optimizer that comes with FlexSim uses many evolutionary algorithms, including GA, to optimize the model.</P><P>If you really want to write your own optimization algorithm, I'd recommend you use FlexSimPy and treat the model as a black box, rather than trying to optimize within FlexSim. Create a model that is governed by model parameters. Then use FlexSimPy to launch the model, set the parameters, and obtain performance measures. You can do this in a loop.</P><P><A href="https://github.com/flexsim/FlexSimPy">https://github.com/flexsim/FlexSimPy</A></P></DIV> Thu, 26 Oct 2023 16:26:54 GMT https://forums.autodesk.com/t5/flexsim-forum/how-to-put-ga-into-my-model/m-p/13585394#M82457 JordanLJohnson 2023-10-26T16:26:54Z