DIV and GRAD of a MATRIX 3x3
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From: leo on 12 Jul 2010 14:34 how can i compute DIV of a matrix U_ij (x,y) for i,j=1,2,3 and x,y in R^3 is it the sum of the elements of the partial deriv. of each column or row?? the DIV_x is diferrent from DIV_y ?? |