bicubic_evaluate

sofia_redux.toolkit.image.smooth.bicubic_evaluate(z, dx, dy, dxy, xrange, yrange, x, y)

Parameters:

znumpy.ndarray (4,)

Functional values at grid points

dxnumpy.ndarray (4,)

Derivative in the x direction

dynumpy.ndarray (4,)

Derivative in the y direction

dxynumpy.ndarray (4,)

Cross derivative

xrangearray_like (2,)

The (lower, upper) coordinates of the grid in the x direction

yrangearray_like of float (2,)

The (lower, upper) coordinates of the grid in the y direction

xnumpy.ndarray (shape)

x coordinates at desired interpolation points

ynumpy.ndarray (shape)

y coordinates at desired interpolation points

Returns:

znumpy.ndarray (shape)

The bicubic evaluation at x and y.