Reference Manual
Introduction
This document describes the MATLAB routines that can be used to analyze the non-
stationary time-varying data processed by the Empirical Decomposition Method (EMD),
which generates the adaptive basis, Intrinsic Mode Functions (IMF), from the data.
Each chapter package name (or directory) is specified in parentheses.
Content
Chapter 1. Differential equations (dfequations) 2
Chapter 2. Energy operations (energyop) 6
Chapter 3. Extrema calculation (extrema) 11
Chapter 4. File I/O operations (file) 23
Chapter 5. Filter functions (filter) 27
Chapter 6. Graphics (graphics) 35
Chapter 7. Instantaneous frequency (instfreq) 69
Chapter 8. Mathworks (mathworks) 86
Chapter 9. Orthogonality functions (orthogonal) 92
Chapter 10. End-point prediction (predict) 95
Chapter 11. Spectral analysis (spectr) 100
Chapter 12. Utility functions (util) 125
Chapter 13. Wavelet transform (wavelet) 139
Chapter 14. Wigner distribution functions (wigner) 144
Chapter 15 Data specific functions (zspecial) 147
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