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dantswain/QuadraticForm

Created December 3, 2011 21:50
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Quadratic form in c
Raw
QuadraticForm
for(i = 0; i < n_rows; i++)
{
tmp = 0;
for(j = i + 1; j < n_rows; j++)
{
tmp += prA[i*n_rows + j]*prX[j];
}
y += prX[i]*2.0*tmp;
y += prX[i]*prX[i]*prA[i*n_rows + i];
}
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