Question 884239
{{{(matrix(4,4,1,0.5,0.33,0.25,
               0.5,0.33,0.25,0.21,
               0.33,0.25,0.2,0.17,
               0.25,0.2,0.17,0.14))*(matrix(4,1,x[1],x[2],x[3],x[4]))=(matrix(4,1,1.1,1.2,1.3,1.4))}}}
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{{{A=(matrix(4,4,1,0.5,0.33,0.25,
                0.5,0.33,0.25,0.21,
                0.33,0.25,0.2,0.17,
                0.25,0.2,0.17,0.14))}}}
{{{abs(A)=1.62x10^(-6)}}}
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{{{A[1]=(matrix(4,4,1.1,0.5,0.33,0.25,
                  1.2,0.33,0.25,0.21,
                  1.3,0.25,0.2,0.17,
                  1.4,0.2,0.17,0.14))}}}
{{{abs(A[1])=-2.4x10^(-5)}}}
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{{{A[2]=(matrix(4,4,1,1.1,0.33,0.25,
                 0.5,1.2,0.25,0.21,
                 0.33,1.3,0.2,0.17,
                 0.25,1.3,0.17,0.14))}}}
{{{abs(A[2])=6.48x10^(-5)}}}
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{{{A[3]=(matrix(4,4,1,0.5,1.1,0.25,
                 0.5,0.33,1.2,0.21,
                 0.33,0.25,1.3,0.17,
                 0.25,0.2,1.4,0.14))}}}
{{{abs(A[3])=7.29x10^(-5) }}}
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{{{A[4]=(matrix(4,4,1,0.5,0.33,1.1,
                 0.5,0.33,0.25,1.2,
                 0.33,0.25,0.2,1.3,
                 0.25,0.2,0.17,1.4))}}}
{{{abs(A[4])= -1.2x10^(-4) }}}
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{{{x[1]=abs(A[1])/abs(A)=-2.4x10^(-5)/1.62x10^(-6)=-15}}}
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{{{x[2]=abs(A[1])/abs(A)=6.48x10^(-5)/1.62x10^(-6)=40}}}
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{{{x[3]=abs(A[1])/abs(A)= 7.29x10^(-5)/1.62x10^(-6)=45}}}
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{{{x[4]=abs(A[1])/abs(A)= -1.2x10^(-4) /1.62x10^(-6)=-75}}}
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