Calculate different rowss in a matrix

Hi

I want to calculate different rows in a matrix.

If I have a matrix, lets say, 300x180

I want now to calculate:

A(1:30,:)*10

A(31:180,:)*5

A(181:300,:)*10

Any easy way to do that - I want only one output - a matrix with size 300x180?

Answer 1

[madhan ravi]

save it as a cell using {}