API Documentation

Interpolation of 1D, 2D, or 3D data

interpax.Interpolator1D(x, f[, method, ...])	Convenience class for representing a 1D interpolated function.
interpax.Interpolator2D(x, y, f[, method, ...])	Convenience class for representing a 2D interpolated function.
interpax.Interpolator3D(x, y, z, f[, ...])	Convenience class for representing a 3D interpolated function.

scipy.interpolate-like classes

These classes implement most of the functionality of the SciPy classes with the same names, except where noted in the documentation.

interpax.Akima1DInterpolator(x, y[, axis, ...])	Akima interpolator.
interpax.CubicHermiteSpline(x, y, dydx[, ...])	Piecewise-cubic interpolator matching values and first derivatives.
interpax.CubicSpline(x, y[, axis, bc_type, ...])	Cubic spline data interpolator.
interpax.PchipInterpolator(x, y[, axis, ...])	PCHIP 1-D monotonic cubic interpolation.
interpax.PPoly(c, x[, extrapolate, axis, check])	Piecewise polynomial in terms of coefficients and breakpoints.

Functional interface for 1D, 2D, 3D interpolation

interpax.interp1d(xq, x, f[, method, ...])	Interpolate a 1d function.
interpax.interp2d(xq, yq, x, y, f[, method, ...])	Interpolate a 2d function.
interpax.interp3d(xq, yq, zq, x, y, z, f[, ...])	Interpolate a 3d function.

Fourier interpolation of periodic functions in 1D and 2D

interpax.fft_interp1d(f, n[, sx, dx])	Interpolation of a 1d periodic function via FFT.
interpax.fft_interp2d(f, n1, n2[, sx, sy, ...])	Interpolation of a 2d periodic function via FFT.

Approximating first derivatives for cubic splines

interpax.approx_df(x, f[, method, axis])

Approximates first derivatives using cubic spline interpolation.