Multiplication operator

I.4.7.3 Multiplication operator

The multiplication operator can be used as follows:

z = x * y .

The meaning of this operation depends on the tensorial orders of $x$ and $y$ . The various possibilities are summarized in Table I.4.8 with a short explanation of the meaning of the operation when deemed necessary.

Table I.4.8: Possible arguments of the Result multiplication operator, returned value, and meaning of the operation.


$z$	$x$	$y$	meaning


S	S	S	—

V	S	V	—

M	S	M	—

V	V	S	—

S	V	V	scalar product of two vectors

V	V	M	left multiplication of a matrix by a vector

M	M	S	—

V	M	V	right multiplication of a matrix by a vector

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