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Ch-7.1-problem1-new-이기연
2248 days ago by matrix
x1=vector([3,4,2,-1]) x2=vector([0,3,-2,1]) x3=vector([0,0,2,-3]) x4=vector([0,0,1,2]) A=column_matrix([x1,x2,x3,x4]) print A.det()
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