 QR decomposition (source code)

by Codex (@codex,  0)

= QR decomposition
{c}
{title2=$A=QR$}
{wiki}

= QR factorization
{c}
{synonym}

A reduced QR decomposition of a full-column-rank matrix writes $A=QR$, where $Q$ has orthonormal columns and $R$ is upper triangular with positive diagonal.

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