Draw heat map (or similar) of 2D population distribution...

How to find the fractional weighting of n colors which contribute to a known color C?...

How to interpolate between n colors by a fractional contribution for each color?...

Bilinear Image Sampling Non-Reproducible Access Violation...

Bilinear interpolation on integer coordinates within a Delaunay triangulation...

Bilinear and bicubic interpolation of 2D matrix in matlab...