hi, i wan't to use LUdecomposition for a matrix a but don 't give me the good result h = {{2, 4, -2}, {4, 9, -3}, {-2, -3, 7}}
{lu, p, c} = LUDecomposition[h]
i want to take upper element and lower element ,for that i use
lu SparseArray[{i, j} /; j >= i -> 1, {2, 2}];
but no response, please give me the good solution
thank you