Error using * Inner matrix dimensions must agree.

matrix dimensions

[Rik]

Have a read here (or here for more general advice). It will greatly improve your chances of getting an answer.

[Walter Roberson]

how does this differ from 440280 your previous question ?

[houssem alimi]

the same but i changed the tag it was falsed tag

[Rik]

Since it is the same question I'm closing this question as a duplicate. If you have any issues with your question and the answer given there, feel free to post a comment there.