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fjl19931201

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wurongjun

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Êýѧ²»ÐоÍÓÃMatlab°É£¡
A =

[       1,       0,       0,       1,       0,       0]
[      r1,      r1,      r1,      r2,      r2,      r2]
[    r1^2,  2*r1^2,  4*r1^2,    r2^2,  2*r2^2,  4*r2^2]
[    r1^3,  3*r1^3,  9*r1^3,    r2^3,  3*r2^3,  9*r2^3]
[    r1^4,  4*r1^4, 16*r1^4,    r2^4,  4*r2^4, 16*r2^4]
[    r1^5,  5*r1^5, 25*r1^5,    r2^5,  5*r2^5, 25*r2^5]

>> factor(det(A))

ans =

-4*r2^3*r1^3*(r1-r2)^9
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9Â¥2015-11-06 10:37:57
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Edstrayer

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2Â¥2015-11-06 02:38:40
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hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

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Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
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We_must_know. We_will_know.
3Â¥2015-11-06 07:50:01
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fjl19931201

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by Edstrayer at 2015-11-06 02:38:40
det(A)=4r_1^3r_2^3(r_2-r_1)^9

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