a             - Detrended Fluctuation Analysis
   corrint         - Correlation Integral Analysis
   edr             - Derives a respiration signal from an ECG signal
   ecgpuwave       - Estimation of QRS and P waves from ECG signals
   gqrs            - Estimation of QRS from ECG signals
   lomb	        - Estimates power spectrum using the Lomb periodogram method	
   mat2wfdb        - Writes a MATLAB variable into a WDFB record file
   maprecord       - Performs multithreaded concurent annotation or proce