Sylvester equation
= Sylvester equation
{c}
{title2=$AX-XB=C$}
{wiki}
The Sylvester equation $AX-XB=C$ has a unique solution $X$ for every $C$ exactly when $A$ and $B$ have disjoint spectra.
= Sylvester equation
{c}
{title2=$AX-XB=C$}
{wiki}
The Sylvester equation $AX-XB=C$ has a unique solution $X$ for every $C$ exactly when $A$ and $B$ have disjoint spectra.