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Here a few functions that are handy for the analysis of kinematic data.
List of functions
| 1. Calculating numerical derivatives and smoothing | ||
| velocity_discr | Numerical first derivative (with filter option) | |
| acceleration_discr | Numerical second derivative (with filter option) | |
| tangvelocity | Tangential and vector velocity | |
| smooth_kernel | Gaussian kernel smoothing (1-dim) | |
| 2. Landmarking, cutting and stretching | ||
| findstart | Finds start of movement, excludes false starts | |
| findend | Finds end of movement, including/excluding submovement | |
| cut | Cuts out a kinematic trajectory for placement in matrix | |
| lengthstandard | Stretches kinematic data to a certain length | |
 Jörn Diedrichsen's Homepage |
 Matlab Toolboxes |