moved some files around

fourier/Contents.m

@@ -1,67 +1,20 @@
-% LTFAT - Basic Fourier and DCT analysis.
+% LTFAT - Fourier and DCT analysis.
 %
 %  Peter L. Søndergaard, 2008 - 2023.
-%
-%  Support routines
-%    FFTINDEX       -  Index of positive and negative frequencies.
-%    MODCENT        -  Centered modulo operation.
-%    FLOOR23        -  Previous number with only 2,3 factors
-%    FLOOR235       -  Previous number with only 2,3,5 factors
-%    CEIL23         -  Next number with only 2,3 factors
-%    CEIL235        -  Next number with only 2,3,5 factors
-%    NEXTFASTFFT    -  Next efficient FFT size (2,3,5,7).
 %  
-%  Basic Fourier analysis
+%  Fourier analysis
 %    DFT            -  Unitary discrete Fourier transform.
 %    IDFT           -  Inverse of |dft|.
 %    FFTREAL        -  FFT for real valued signals.
 %    IFFTREAL       -  Inverse of |fftreal|.
+%    DFRACFT        -  Discrete Fractional Fourier transform
+%    FFRACFT        -  Fast Fractional Fourier transform
 %    GGA            -  Generalized Goertzel Algorithm.
 %    CHIRPZT        -  Chirped Z-transform.
 %    FFTGRAM	    -  Plot energy of FFT.
 %    PLOTFFT        -  Plot FFT coefficients.
 %    PLOTFFTREAL    -  Plot |fftreal| coefficients.
 %
-%  Simple operations on periodic functions
-%    INVOLUTE       -  Involution.
-%    PEVEN          -  Even part of periodic function.
-%    PODD           -  Odd part of periodic function.
-%    PCONV          -  Periodic convolution.
-%    PXCORR         -  Periodic crosscorrelation.
-%    LCONV          -  Linear convolution.
-%    LXCORR	    -  Linear crosscorrelation. 
-%    ISEVENFUNCTION -  Test if function is even.
-%    MIDDLEPAD      -  Cut or extend even function.
-%
-%  Periodic functions
-%    EXPWAVE        -  Complex exponential wave.
-%    PCHIRP         -  Periodic chirp.
-%    PGAUSS         -  Periodic Gaussian.
-%    PSECH          -  Periodic SECH.
-%    PBSPLINE       -  Periodic B-splines.
-%    SHAH           -  Shah distribution.
-%    PHEAVISIDE     -  Periodic Heaviside function.
-%    PRECT          -  Periodic rectangle function.
-%    PSINC          -  Periodic sinc function.
-%    PTPFUN         -  Periodic totally positive function of finite type.
-%    PEBFUN         -  Periodic EB spline. 
-%
-%  Specialized dual windows
-%    PTPFUNDUAL     -  Dual window for |PTPFUN|
-%    PEBFUNDUAL     -  Dual window for |PEBFUN|
-%
-%  Hermite functions and fractional Fourier transforms
-%    PHERM          -  Periodic Hermite functions.
-%    HERMBASIS      -  Orthonormal basis of Hermite functions.    
-%    DFRACFT        -  Discrete Fractional Fourier transform
-%    FFRACFT        -  Fast Fractional Fourier transform
-%
-%  Approximation of continuous functions
-%    FFTRESAMPLE    -  Fourier interpolation.
-%    DCTRESAMPLE    -  Cosine interpolation.
-%    PDERIV         -  Derivative of periodic function.
-%    FFTANALYTIC    -  Analytic representation of a function.
-%
 %  Cosine and Sine transforms.
 %    DCTI           -  Discrete cosine transform type I
 %    DCTII          -  Discrete cosine transform type II
@@ -72,6 +25,21 @@
 %    DSTIII         -  Discrete sine transform type III
 %    DSTIV          -  Discrete sine transform type IV
 %
+%  Support routines
+%    FFTINDEX       -  Index of positive and negative frequencies.
+%    MODCENT        -  Centered modulo operation.
+%    FLOOR23        -  Previous number with only 2,3 factors
+%    FLOOR235       -  Previous number with only 2,3,5 factors
+%    CEIL23         -  Next number with only 2,3 factors
+%    CEIL235        -  Next number with only 2,3,5 factors
+%    NEXTFASTFFT    -  Next efficient FFT size (2,3,5,7). 
+%
+%  Applications
+%    FFTRESAMPLE    -  Fourier interpolation.
+%    DCTRESAMPLE    -  Cosine interpolation.
+%    PDERIV         -  Derivative of periodic function.
+%    FFTANALYTIC    -  Analytic representation of a function.
+%
 %  For help, bug reports, suggestions etc. please visit 
 %  http://github.com/ltfat/ltfat/issues
 

gabor/Contents.m

@@ -2,14 +2,6 @@
 %
 %  Peter L. Søndergaard, 2007 - 2023.
 %
-%  Basic Time/Frequency analysis
-%    TCONV          -  Twisted convolution
-%    DSFT           -  Discrete Symplectic Fourier Transform
-%    ZAK            -  Zak transform
-%    IZAK           -  Inverse Zak transform
-%    COL2DIAG       -  Move columns of a matrix to diagonals
-%    S0NORM         -  S0-norm
-%
 %  Gabor systems
 %    DGT            -  Discrete Gabor transform
 %    IDGT           -  Inverse discrete Gabor transform
@@ -23,9 +15,6 @@
 %    PROJKERN	    -  Projection of Gabor coefficients onto kernel space
 %    DGTLENGTH      -  Length of Gabor system to expand a signal
 %
-%  Multi-Gabor systems
-%    MULTIDGTREALMP -  Matching pursuit decomposition in Multi-Gabor system 
-%
 %  Reconstructing windows
 %    GABDUAL        -  Canonical dual window
 %    GABTIGHT       -  Canonical tight window
@@ -36,6 +25,8 @@
 %    GABCONVEXOPT   -  Optimized window
 %    GABPROJDUAL    -  Dual window by projection
 %    GABMIXDUAL     -  Dual window by mixing windows
+%    PTPFUNDUAL     -  Dual window for |PTPFUN|
+%    PEBFUNDUAL     -  Dual window for |PEBFUN|
 %
 %  Conditions numbers
 %    GABFRAMEBOUNDS -  Frame bounds of Gabor system
@@ -51,7 +42,7 @@
 %    GABREASSIGNREAL    -  Reassign positive distribution for real signals
 %    GABREASSIGNADJUST - Adjustable t-f reassignment
 %
-%  Phase reconstruction
+%  Phase reconstruction (should go to PHASERET)
 %    CONSTRUCTPHASE     - Phase construction from abs. values of |dgt|
 %    CONSTRUCTPHASEREAL - |constructphase| for |dgtreal|
 %
@@ -68,6 +59,11 @@
 %    SHEARFIND      -  Shears to transform a general lattice to a separable
 %    NOSHEARLENGTH  -  Next transform side not requiring a frequency side shear
 %
+%  Applications
+%    MULTIDGTREALMP -  Matching pursuit decomposition in Multi-Gabor system 
+%    tfjigsawsep      - Tonal-transient-residual separation using the T-F jigsaw puzzle algorithm.
+%    GABMULAPPR        - Best approximation by a Gabor multiplier
+%
 %  Plots
 %    TFPLOT         -  Plot coefficients on the time-frequency plane
 %    PLOTDGT        -  Plot |dgt| coefficients
@@ -77,6 +73,7 @@
 %    RESGRAM        -  Reassigned spectrogram
 %    INSTFREQPLOT   -  Plot of the instantaneous frequency
 %    PHASEPLOT      -  Plot of STFT phase
+%    plottfjigsawsep  - Plot the output of |tfjigsawsep|
 %
 %  For help, bug reports, suggestions etc. please visit 
 %  http://github.com/ltfat/ltfat/issues

operators/Contents.m

@@ -17,7 +17,6 @@
 %    FRAMEMULADJ       - Apply the adjoint of a frame multiplier
 %    FRAMEMULAPPR      - Best approx. by frame multiplier
 %    FRAMEMULEIGS      - Eigenpairs of a frame multiplier
-%    GABMULAPPR        - Best approximation by a Gabor mult.
 %
 %  Spreading operators
 %    SPREADOP          - Spreading operator

periodic/Contents.m

@@ -0,0 +1,39 @@
+% LTFAT - Periodic functions and basic time-frequency analysis.
+%
+%  Peter L. Søndergaard, 2008 - 2023.
+%  
+%  Periodic functions
+%    EXPWAVE        -  Complex exponential wave.
+%    PCHIRP         -  Periodic chirp.
+%    PGAUSS         -  Periodic Gaussian.
+%    PSECH          -  Periodic SECH.
+%    PBSPLINE       -  Periodic B-splines.
+%    SHAH           -  Shah distribution.
+%    PHEAVISIDE     -  Periodic Heaviside function.
+%    PRECT          -  Periodic rectangle function.
+%    PSINC          -  Periodic sinc function.
+%    PTPFUN         -  Periodic totally positive function of finite type.
+%    PEBFUN         -  Periodic EB spline.
+%    PHERM          -  Periodic Hermite functions.
+%    HERMBASIS      -  Orthonormal basis of Hermite functions.  
+%
+%  Simple operations on periodic functions
+%    INVOLUTE       -  Involution.
+%    PEVEN          -  Even part of periodic function.
+%    PODD           -  Odd part of periodic function.
+%    PCONV          -  Periodic convolution.
+%    PXCORR         -  Periodic crosscorrelation.
+%    LCONV          -  Linear convolution.
+%    LXCORR	    -  Linear crosscorrelation. 
+%    ISEVENFUNCTION -  Test if function is even.
+%    MIDDLEPAD      -  Cut or extend even function.
+%
+%  Basic Time/Frequency analysis
+%    TCONV          -  Twisted convolution
+%    DSFT           -  Discrete Symplectic Fourier Transform
+%    ZAK            -  Zak transform
+%    IZAK           -  Inverse Zak transform
+%
+%  For help, bug reports, suggestions etc. please visit 
+%  http://github.com/ltfat/ltfat/issues
+

sigproc/Contents.m

@@ -10,6 +10,8 @@
 %    LOWDISCREPANCY -  Compute a low discrepancy sequence.
 %    UQUANT         -  Simulate uniform quantization.
 %    POSTPAD        -  Pad or truncate a vector.
+%    COL2DIAG       -  Move columns of a matrix to diagonals
+%    S0NORM         -  S0-norm
 %
 %  Window functions
 %    FIRWIN         -  FIR windows (Hanning,Hamming,Blackman,...).
@@ -51,9 +53,22 @@
 %    QAM4           -  Quadrature amplitude modulation, order 4
 %    IQAM4          -  Inverse QAM of order 4
 %
-%  Tonal-transient separation
-%    tfjigsawsep      - Tonal-transient-residual separation using the T-F jigsaw puzzle algorithm.
-%    plottfjigsawsep  - Plot the separated layers.
+%  Auditory processing
+%     AUDTOFREQ        - Auditory unit to frequency conversion.
+%     FREQTOAUD        - Frequency to auditory unit conversion.
+%     AUDSPACE         - Auditory unit spaced vector
+%     AUDSPACEBW       - Auditory unit spaced vector by equal bandwidth.
+%     ERBTOFREQ        - Erb scale to frequency conversion.
+%     FREQTOERB        - Frequency to erb scale conversion.
+%     ERBSPACE         - Equidistant points on the erb scale.
+%     ERBSPACEBW       - Equidistant points by equal bandwidth.
+%     AUDFILTBW        - Bandwidth of audiory filters.
+%     GAMMATONEFIR     - Gammatone FIR approximation.
+%     SEMIAUDPLOT      - 2D plot on auditory scale.
+%
+%  Range compression
+%     RANGECOMPRESS    - Compress range of signal (mu-law etc).
+%     RANGEEXPAND      - Expand range of signal.
 %
 %  For help, bug reports, suggestions etc. please visit 
 %  http://github.com/ltfat/ltfat/issues