how can I multiplying matrix elements

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Amir Ehsani
Amir Ehsani 2012-11-5
How can I multiple elements of one column or row of a matrix?

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Image Analyst
Image Analyst 2012-11-5
% Multiply a row by some number.
theRow = 42; % or whatever.
myMatrix(theRow, :) = someNumber * myMatrix(theRow, :);
% Multiply a column by some number.
theColumn = 13; % or whatever.
myMatrix(:, theColumn) = someNumber * myMatrix(:, theColumn);

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