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In RPN mode, you can try a few more exercises:
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Multiplication
There are different multiplication operations that involve matrices. These are
described next. The examples are shown in algebraic mode.
Multiplication by a scalar
Some examples of multiplication of a matrix by a scalar are shown below.
Matrix-vector multiplication
Matrix-vector multiplication is possible only if the number of columns of the
matrix is equal to the length of the vector. A couple of examples of matrix-
vector multiplication follow: