
线性代数的题,求过程即答案
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A^TB =
[-2 1]
[4 -2]
·
[ 2 4]
[-3 -6]
=
[ -2x2+1x(-3) -2x4+1x(-6)]
[4x2+(-2)x(-3) 4x4+(-2)x(-6)]
=
[-7 -14]
[14 28]
[-2 1]
[4 -2]
·
[ 2 4]
[-3 -6]
=
[ -2x2+1x(-3) -2x4+1x(-6)]
[4x2+(-2)x(-3) 4x4+(-2)x(-6)]
=
[-7 -14]
[14 28]
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