Dears,
If Xb=c,
and
X= the coefficient matrix
b= an unknown vector,
c= known vector
then b=inverse of X * c
now if in the above equation, c and b were known vectors, and X was an symetric unkown coefficent matrix,
when it is possible to obtain matrix X or a function of X from b and c?
Regards,
Rohullah
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