fibermodes.functions

Miscellaneous mathematical functions.

fibermodes.functions.derivative(f, x, k, m, j, h, *args)

Numerical differentiation

Parameters:

• f (function) – function
• x (float) – parameter
• k (int) – differentiation order (1 to 5)
• m (int) – number of points (3 to 6)
• j (int) – central point (0 to m-1)
• h (float) – distance between points
• *args – other function arguments