matlab习题,解下列方程组x1+x2+x3+x4=02x1+3x2-x3-x4=23x1+2x2+x3+x4=53x1+6x2-x3-x4=4;

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matlab习题,解下列方程组x1+x2+x3+x4=02x1+3x2-x3-x4=23x1+2x2+x3+x4=53x1+6x2-x3-x4=4;

matlab习题,解下列方程组x1+x2+x3+x4=02x1+3x2-x3-x4=23x1+2x2+x3+x4=53x1+6x2-x3-x4=4;
matlab习题,
解下列方程组
x1+x2+x3+x4=0
2x1+3x2-x3-x4=2
3x1+2x2+x3+x4=5
3x1+6x2-x3-x4=4;

matlab习题,解下列方程组x1+x2+x3+x4=02x1+3x2-x3-x4=23x1+2x2+x3+x4=53x1+6x2-x3-x4=4;
>> a=[1,1,1,1;2,3,-1,-1;3,2,1,1;3,6,-1,-1];
>> b=[0;2;5;4];
>> x=inv(a)*b
x= 0.6
1.3
-2.2518e+16
2.2518e+16