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Original Message (ID '126346') By Julius:
In Response To 'Re: Coefficient from matrix' --------- Maybe I wrote it wrong: I've got square matrix with expressions. These expressions contains coefficients ck[i]. I want to make from this matrix the other only with expressions using command "Coefficient" (whitout ck[i]). For example: Square matrix = ({2x[1], 3x[2]}, {6x[1], 9[x2]}) i want to make matrix of coefficient x[1] and x[2] = ({2, 3}, {6, 9}).