finite_differences {sindyr} | R Documentation |
Estimates first-order derivatives of column vectors of a matrix
xs |
Raw data to be differentiated (matrix) |
S |
Sample rate of data to return derivatives using raw time |
Uses simplest version of finite-difference method (window size 2) to numerically estimate derivative of multiple columnar time series.
Returns first-order numerical derivatives estimated from data.
Rick Dale and Harish S. Bhat