2024-06-25 15:07:24 +00:00
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#import "/src/lib.typ": *
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#let A = mat.mat(
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(3, -3, -1, 2, -9),
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(1, -1, 2, -1, -6),
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(1, -1, 1, 1, -6),
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(-1, 1, -1, -2, 7)
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)
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#let b = vec.vec(13, -6, 1, -3)
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#let A2 = mat.mul-row(A, 2, 3)
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#let A3 = mat.div-row(A, 1, 2)
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#let A4 = mat.add-row(A, 2, 3, f: 2)
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$
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A = #mat.display(A) quad b = #vec.display(b)\
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A_2 = #mat.display(A2)\
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A_3 = #mat.display(A3)\
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A_4 = #mat.display(A4)\
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$
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#let E = gauss.echelon(A)
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$
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E = #mat.display(E)
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$
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2024-07-01 11:04:37 +00:00
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#let M = mat.mat(
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(2, 4, 5, 6),
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(-1, 5, 6, 9),
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(3, 7, 1, -6),
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(4, -2, 3, 5)
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)
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$M = #mat.display(M)$
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#let d = mat.det(M)
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$det(M) = #d$
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#mat.det-steps(M)
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