Matrix Main Diagonal

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A Matrix Main Diagonal of an [math]n \times m[/math] matrix is a vector [math]v[/math] where [math]v_i = A_{i,i}[/math].



References

2013

  • http://en.wikipedia.org/wiki/Main_diagonal
    • In linear algebra, the main diagonal (sometimes leading diagonal or major diagonal or primary diagonal or principal diagonal) of a matrix [math]A[/math] is the collection of entries [math]A_{i,j}[/math] where [math]i[/math] is equal to [math]j[/math].