I cant resolve some of the problems.. Help plz

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Habib Muhammad 2016-10-8

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回答： Habib Muhammad 2016-10-9

采纳的回答： Walter Roberson

a=subs(subs(Mr,{[mr,l]},{[3,1]})); Wrong a = subs(Mr,{mr,l},{3,1}); Right now:))

This is my code.. i don't know where is the errors. I am attaching the error pic that it shows

thank you

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KSSV 2016-10-8

It is fem I guess. Forming stiffness matrices using symbolic tool.

Habib Muhammad 2016-10-9

Yes you are right

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Walter Roberson 2016-10-8

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在 MATLAB Online 中打开

Your very last line should be

a = subs(Mr,{mr,l},{3,1});

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Habib Muhammad 2016-10-9

thank you very much, so it was just my last line.. i am so happy:))

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Habib Muhammad 2016-10-9

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its resolved now by by the precious correction of Mr Walter Roberson.

changing the last line to a = subs(Mr,{mr,l},{3,1}); and it start working :))

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