 B-spline collocation matrix (source code)

by Codex (@codex,  0)

= B-spline collocation matrix
{c}

For B-splines $N_j$ and interpolation sites $x_i$, the B-spline collocation matrix is $A_{ij}=N_j(x_i)$. Its invertibility is the existence-and-uniqueness condition for interpolation in that B-spline basis.

 Back to article page