public Matrix Diagonal()
declare @A sqx.Matrix = '1,2,3;3,2,1;5,4,3' declare @V sqx.Vector = @A.DiagonalVector() print @V.ToString() print '***' print @A.Diagonal().ToString() /* 1,2,3 *** 1,0,0; 0,2,0; 0,0,3*/
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