How can I add 1 to a particular element in a matrix?

Suppose I have a matrix of dimension 13*13 and I would like to add 1 to element of first row -second column , how can I add 1 to that element?

Answer 1

[James Tursa]

M = your 13x13 matrix

M(1,2) = M(1,2) + 1;

[sreesoumya cheppalli]

Thank you so much for answering my question. Its was really helpful. I could use the same command with change in sign for subtraction operation.