public class SVEC extends DenseVector
SVEC
converts a symmetric matrix K = {Kij} into a vector of dimension n(n+1)/2.
That is,
\[
\rm{svec}(K) = [k_{1,1}, \sqrt2k_{1,2}, ..., \sqrt2k_{1,n}, k_{2,2}, \sqrt2k_{2,3}, ..., \sqrt2k_{2,n}, ... k_{n,n},]
\]
SVEC
is the inverse operator of MAT
.Constructor and Description |
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SVEC(Matrix A)
Construct the SVEC of a matrix.
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add, add, add, angle, deepCopy, divide, divide, equals, get, hashCode, innerProduct, innerProduct, minus, minus, minus, multiply, multiply, norm, norm, opposite, pow, scaled, scaled, set, set, size, toArray, toString, ZERO
public SVEC(Matrix A)
A
- a matrixCopyright © 2010-2020 NM FinTech Ltd.. All Rights Reserved.