I cant resolve some of the problems.. Help plz

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Habib Muhammad 2016-10-8

回答： Habib Muhammad 2016-10-9

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

KSSV 2016-10-8

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

Habib Muhammad 2016-10-9

Yes you are right

Walter Roberson 2016-10-8

Your very last line should be

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

Habib Muhammad 2016-10-9

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

Habib Muhammad 2016-10-9

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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