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x1+x2+x3+x4-x5=0
2*x1+2*x2+x4=C1
x1+2*x3+x4=C2
[(x3/x5)^0.5]*(x2/x1)=C3
x4/[(x2*x3)^0.5]=C4

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enigmafwj: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2013-06-29 21:05:36
1592203609: ½ð±Ò+2, лл»ØÌû 2013-06-29 21:51:10
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================================================
clear; close all; clc
syms x1 x2 x3 x4 x5 c1 c2 c3 c4
[Sx1, Sx2, Sx3, Sx4, Sx5] = solve(x1+x2+x3+x4-x5 == 0, ...
                                  2*x1+2*x2+x4   == c1, ...
                                  x1+2*x3+x4     == c2, ...
                                  sqrt(x3/x5)*(x2/x1) == c3, ...
                                  x4/sqrt(x2*x3) == c4)
================================================
2Â¥2013-06-29 05:09:39
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