Fredholm alternative for a matrix
= Fredholm alternative for a matrix
{c}
The system $Ax=b$ is solvable exactly when $b$ is orthogonal to every vector in $\ker A^T$.
= Fredholm alternative for a matrix
{c}
The system $Ax=b$ is solvable exactly when $b$ is orthogonal to every vector in $\ker A^T$.