33 lines
778 B
C
33 lines
778 B
C
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#include <stdio.h>
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int main()
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{
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//a sparse way of representing the equations
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float eq[3][4];
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int i;
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float x,y, z;
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x = 1;
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y = 1;
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z = 2; //initial guess
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eq[0][0] = 7/4.0;
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eq[0][1] = 0;
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eq[0][2] = 1/4.0;
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eq[0][3]= -1/4.0;
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eq[1][0] = 21/8.0;
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eq[1][1] = 4/8.0;
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eq[1][2] = 0;
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eq[1][3]= 1/8.0;
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eq[2][0] = 15/5.0;
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eq[2][1] = 2/5.0;
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eq[2][2] = -1/5.0;
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eq[2][3]= 0;
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//10 iterations of gauss-seidel
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for (i = 0; i < 10; i++)
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{
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x = eq[0][0] + eq[0][2] * y + eq[0][3] * z;
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y = eq[1][0] + eq[1][1] * x + eq[1][3] * z;
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z = eq[2][0] + eq[2][1] * x + eq[2][2] * y;
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printf("Output: \n%f %f %f\n", x, y, z);
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}
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return 0;
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}
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