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2.38.7  Scalar product : scalar_product * dotprod dot dotP scalar_Product

dot or dotP or dotprod or scalar_product or scalarProduct or the infixed operator * takes as argument two vectors.
dot or dotP or dotprod or scalar_product or scalarProduct or * returns the scalar product of these two vectors.
Input :

dot([1,2,3],[4,3,5])

or :

scalar_product([1,2,3],[4,3,5])

or :

[1,2,3]*[4,3,5]

or :

’*’([1,2,3],[4,3,5])

Output :

25

Indeed 25=1*4+2*3+3*5.

Note that * may be used to find the product of two polynomials represented as list of their coefficients, but to avoid ambiguity, the polynomial lists must be poly1[...].


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