simple-squiggle/node_modules/mathjs/docs/reference/functions/dot.md

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Function dot

Calculate the dot product of two vectors. The dot product of A = [a1, a2, ..., an] and B = [b1, b2, ..., bn] is defined as:

dot(A, B) = conj(a1) * b1 + conj(a2) * b2 + ... + conj(an) * bn

Syntax

math.dot(x, y)

Parameters

Parameter Type Description
x Array | Matrix First vector
y Array | Matrix Second vector

Returns

Type Description
number Returns the dot product of x and y

Throws

Type Description

Examples

math.dot([2, 4, 1], [2, 2, 3])       // returns number 15
math.multiply([2, 4, 1], [2, 2, 3])  // returns number 15

See also

multiply, cross