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FreeMat
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Section: Elementary Functions
Computes the scalar dot product of its two arguments. The general syntax for its use is
y = dot(x,z)
where x and z are numerical vectors of the same length. If x and z are multi-dimensional arrays of the same size, then the dot product is taken along the first non-singleton dimension. You can also specify the dimension to take the dot product along using the alternate form
y = dot(x,z,dim)
where dim specifies the dimension to take the dot product along.