PEIP (version 1.7)

get_l_rough: One-D Roughening

Description

returns a 1D differentiating matrix operating on a series with n points.

Usage

get_l_rough(n, deg)

Arguments

n

number of data points

deg

order of the derivative to approximate

Value

• Matrix:discrete differentiation matrix

Details

Used to get first and 2nd order roughening matrices

References

Aster, R.C., C.H. Thurber, and B. Borchers, Parameter Estimation and Inverse Problems, Elsevier Academic Press, Amsterdam, 2005.