how to select first 23 rows and 25 columns from a 25 X 25 matrix in matlab

access a matrix from another matrix which is having sifferent dimension. i.e how to select first 23 rows and 25 columns from a 25 X 25 matrix in matlab

Answer 1

[Grzegorz Knor]

a = rand(25);
b = a(1:23,:);

http://www.mathworks.com/help/matlab/math/matrix-indexing.html

[learningmat]

Thank you...

[Jan]

@Nirmala: Such fundamental questions are explained exhaustively in the Getting Started chapters of the documentation. It is recommended to read them carefully, because a forum cannot teach all these basics.