i need help.could anyone tell me how to multiplay two N*N matrix?

[Mehdinaqvi]

i don't have code yet,because i am not understanding the logic of multiplication.
i know how to add but don't know multiplication

[andywestken]

For the logic, see:

Matrix Multiplication
http://mathworld.wolfram.com/MatrixMultiplication.html

Matrix multiplication
http://en.wikipedia.org/wiki/Matrix_multiplication

Andy