I cant resolve some of the problems.. Help plz

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

[michael]

please attach image

[Massimo Zanetti]

Cryptography?

[KSSV]

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

[Habib Muhammad]

Yes you are right

Answer 1

[Walter Roberson]

Your very last line should be

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

[Habib Muhammad]

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

Answer 2

[Habib Muhammad]

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 :))