Stable affine recurrence
= Stable affine recurrence
If the spectral radius of $A$ is below one, $x_{n+1}=Ax_n+b$ converges to the unique fixed point $(I-A)^{-1}b$.
= Stable affine recurrence
If the spectral radius of $A$ is below one, $x_{n+1}=Ax_n+b$ converges to the unique fixed point $(I-A)^{-1}b$.