User talk:Karthikraoa

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The following is a problem very similar to the problem "Convex Iteration rank-1" in Jon Dattorro's book CONVEX OPTIMIZATION & EUCLIDEAN DISTANCE GEOMETRY:

LaTeX: \mathbb{S}^n is the space of LaTeX: n\times n symmetric matrices.

LaTeX: \,g is a vector.

LaTeX: \,\delta(g) is a diagonal matrix whose main diagonal is LaTeX: \,g.


LaTeX: \begin{array}{rl}\mbox{find}&X\!\in\mathbb{S}^n, ~g\in\mathbb{R}^n\\
\mbox{subject to}
&A\,\mbox{svec}X = b\\
&\delta(g)Xc = d\\
&X\succeq 0\\ 
&\mbox{rank}X\le r 
\end{array}

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