Manuals/calci/MATRIXDIAGONAL

MATRIXDIAGONAL (a)

Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle a } is any square matrix.

Description

This function shows the main diagonal values.
In Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle MATRIXDIAGONAL(a)} , is any square matrix.
The main diagonal of a matrix consists of those elements that lie on the diagonal that runs from top left to bottom right.
Main diagonal is also called principal diagonal, primary diagonal, leading diagonal, or major diagonal.
So main diagonal of a matrix A is defined by A is the collection of entries Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle a_{i,j}} ,where i=j.
Diagonal entries are Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle a_{11},a_{22},a_{33}} and so on.