English: Illustration of Lanczos filtering (Lanczos interpolation) showing a set of random samples (black dots), two scaled copies of the Lanczos kernel with size parameter a=3, translated by 4 sampling intervals (dashed red curve) and by 11 sampling intervals (dashed green curve) and the Lanczos interpolation of the samples (blue solid curve) .
Created with Linux scripts (in gawk, bash and gnuplot) available at [1] See the 00-Notebook.txt file there for instructions.
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