求用matlab解方程组已知:X1+X2+X3=0.030852 0.5X1+X2+0.5X5-0.21na =0.012578 2X3+X4+X5 =0.029356 X7-0.79na =0 36.5 X2 X4= 27.156 X5 X1 12876+33723.33na=324938.80X1+68925.48 X2 + 965091.69 X3 + 323197.81 X4+ 53916.70X5 + 41341.
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