Comparison matrix

In linear algebra, let $A = (a ij)$ be a $n \times n$ complex matrix. The comparison matrix $M (A) = (α ij)$ of complex matrix A is defined as

α_{i j} = {\begin{cases} - | a_{i j} | & if i \neq j, \\ | a_{i j} | & if i = j . \end{cases}

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References

↑ Varga, Richard S. (2006). "Basic Iterative Methods and Comparison Theorems". Matrix Iterative Analysis (2nd ed.). Springer Science+Business Media. p. 92. ISBN 1-4020-3555-1.

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