SquaredNorm function
Warning
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Please see https://aka.ms/qdk.api for the API documentation for the Modern QDK.
Namespace: Microsoft.Quantum.Math
Package: Microsoft.Quantum.Standard
Returns the squared 2-norm of a vector.
function SquaredNorm (array : Double[]) : Double
Description
Returns the squared 2-norm of a vector; that is, given an input $\vec{x}$, returns $\sum_i x_i^2$.
Input
array : Double[]
The vector whose squared 2-norm is to be returned.
Output : Double
The squared 2-norm of array
.
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