scipy.interpolate.bisplev¶

scipy.interpolate.bisplev(x, y, tck, dx=0, dy=0)[source]¶

Evaluate a bivariate B-spline and its derivatives.

Return a rank-2 array of spline function values (or spline derivative values) at points given by the cross-product of the rank-1 arrays x and y. In special cases, return an array or just a float if either x or y or both are floats. Based on BISPEV from FITPACK.

Parameters

x, yndarray: Rank-1 arrays specifying the domain over which to evaluate the spline or its derivative.
tcktuple: A sequence of length 5 returned by bisplrep containing the knot locations, the coefficients, and the degree of the spline: [tx, ty, c, kx, ky].
dx, dyint, optional: The orders of the partial derivatives in x and y respectively.

Returns

valsndarray: The B-spline or its derivative evaluated over the set formed by the cross-product of x and y.