It is not clear what you are asking for, but I speculate that you might be looking for coeff()
Get the subexpressions of a live script
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I want to retrive the sigma_n subexpressions in the live script. Is there a way to do it. I searched but couldnt find it.
Moreover some of the this sigma_n subsexpressions i want to to equalize to zero in the main expression dUs2. If after i find the sgma_n subsepressions can i make subs(dUs2,sigma1,0) or something like that.
Thanks for the help.
dUs2 =
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/284341/image.png)
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