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

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learningmat 2013-8-30

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https://ww2.mathworks.cn/matlabcentral/answers/85981-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

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Grzegorz Knor 2013-8-30

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/85981-how-to-select-first-23-rows-and-25-columns-from-a-25-x-25-matrix-in-matlab#answer_95502

在 MATLAB Online 中打开

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

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

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learningmat 2013-8-30

Thank you...

Jan 2013-8-30

@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.

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