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CVXR (version 1.9.1)

matrix_trace: Trace of a square matrix expression

Description

For matrix_trace(A %*% B), uses the O(n^2) identity trace(A %*% B) = sum(A * t(B)) instead of forming the full matrix product.

Usage

matrix_trace(x)

Value

A Trace atom or equivalent expression (scalar)

Arguments

x

An Expression (square matrix)