HP 49g+ Graphing Calculator Bedienungsanleitung Seite 120

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Page 9-4
In RPN mode, try the following eight examples:
A22 ` B22`+ A22 ` B22`-
A23 ` B23`+ A23 ` B23`-
A32 ` B32`+ A32 ` B32`-
A33 ` B33`+ A33 ` B33`-
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:
Vector-matrix multiplication, on the other hand, is not defined. This
multiplication can be performed, however, as a special case of matrix
multiplication as defined next.
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