When Fourier fails: Mollifiers
Learn more about mollifiers to obtain periodic extensions.
Recent Posts
When Fourier fails: Finite difference stencils
Finite difference stencils fail because of the Runge phenomenon!
When Fourier fails: Subtraction
Learn how to interpolate non-periodic, uniform data using subtraction methods!
When Fourier fails: Filters
Learn how to interpolate non-periodic, uniform data using filters!
Fourier Interpolation Classes
Learn how to interpolate periodic, uniform data using the Fourier transform!