MTH 215 Linear Algebra

Example using Row ops in Matlab/Octave

A = [1 2 3; 0 1 0; 1 1 1]

and Matlab/Octave responds with

A =

You enter row by row, separating rows with semicolons. Between row elements, you can use spaces or commas.

Ex. R1 <---> R3

A([1 3],:) = A([3 1],:)

Ex. 2*R3 ---> R3

A(3,:) = 2*A(3,:)

Ex. 5*R2 + R1 ---> R1

A(1,:) = A(1,:) + 5*A(2,:)

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