JLAB_INDEX Alphabetical index into JLAB and JDATA contents. JDATA index about_floats - Historical dataset of eddy-resolving subsurface floats. about_ibcao - International Bathymetric Chart of the Arctic Ocean topography. about_sandwell - One minute resolution topography data from Smith and Sandwell. about_tpjaos - Sea surface height anomalies from the Beckley merged dataset. readtopo - Read one-minute topography data from Smith and Sandwell. topo_copyright - Copyright statement for the Smith and Sandwell topography. JLAB index ab2kl - Converts A and B to ellipse parameters Kappa and Lambda. about_jtopo - One-sixth degree global topography, from Smith and Sandwell + IBCAO. allall - ALLALL(X)=ALL(X(:)) anatrans - Analytic part of signal. anyany - ANYANY(X)=ANY(X(:)) aresame - Test whether two N-D arrays are the same. arrayify - Converts a set of scalars or arrays into column arrays. axeshandles - Returns handles to all axes children. bellpoly - Complete Bell polynomials. besselitilde - I-type Bessel function after factoring off exponential growth. besselktilde - K-type Bessel function after factoring off exponential decay. bindata - Rapidly sort data into adjacent bins. blocklen - Counts the lengths of 'blocks' in an array. blocknum - Numbers the contiguous blocks of an array. blurspec - Returns the blurred and aliased spectrum given the autocovariance. boxon - Sets 'box' property to 'off'. boxon - Sets 'box' property to 'on'. catstruct - Concatenates the array elements of a cell array of structures. cell2col - Converts cell arrays of numeric arrays into 'column-appended' form. cellabs - Absolute value of each element in a cell array. celladd - Addition acting on each element in a cell array. cellchunk - Converts cell array data into uniform length 'chunks'. celldiv - Division acting on each element in a cell array. celldot - Dot product for arrays of column vectors. cellength - Length of each element in a cell array. cellfill - Fills missing data marked by INFs in a cell array. cellfirst - Returns the first (or last) element of each entry in a cell array. cellget - Indexes a cell array of numerical arrays by ID number. cellgrid - Interpolate a cell array of numeric arrays onto a regular grid. cellimag - Imaginary part of each element in a cell array. cellimit - Limits the ranges of times in a cell array of numerical arrays. cellindex - Applies a cell array of indices to a cell array of column vectors. celllog10 - Base ten logarithm of each element in a cell array. cellmax - Maximum of each element in a cell array. cellmean - Mean value of each element a cell array, possibly weighted. cellmed - Median value of each element a cell array. cellmin - Minimum of each element in a cell array. cellmult - Multiplication acting on each element in a cell array. cellpack - Removes all INF values from cell arrays of numeric arrays. cellpair - Complex pairing for elements in a cell array. cellplot - Rapidly plot all elements of a cell array of numeric arrays. cellprune - Removes all empty cells, or cells less than a specified length. cellreal - Real part of each element in a cell array. cellsize - Size of each element in a cell array along specified dimension. cellsplit - Splits cell arrays of numeric arrays at data gaps. cellstd - Standard deviation of each element a cell array, possibly weighted. cellstrip - Strips INF values from the beginnings or ends of cell arrays. cellsum - Sum of each element a cell array, possibly weighted. chisquared - The chi-squared distribution. choose - Binomial coefficient: CHOOSE(N,K) = N!K!/(N-K)! closedcurves - Locate and interpolate closed curves in a possibly periodic domain. cms2kmd - Converts centimeters per second to kilometers per day. col2cell - Converts 'column-appended' data into cell arrays of numeric arrays. col2mat - Expands 'column-appended' data into a matrix. colbreaks - Insert NANs into discontinuties in a vector. colorquant - Set the color axis according to quantiles of the data. commentlines - Returns the comment lines from m-files. corfreq - Coriolis frequency in radians per hour. crop - Gets rid of whitespace around an image. [by A. Bliss] crop_license - License statement for CROP by Andrew Bliss. cum2mom - Convert cumulants to moments. curveinterp - Interpolate a field or its gradient onto a set of curves. curvemoments - Centroid, area, and many other moments of a closed curve. deg180 - Converts degrees to the range [-180,180]. deg360 - Converts degrees to the range [0, 360]. degunwrap - Unwraps arrays given in degrees. discretecolorbar - Plots a colorbar with discrete variation. divgeom - Geometric decomposition of eddy vorticity flux divergence. dlines - Add diagonal lines to a plot. doublen - Interpolates a time series to double its length. ecconv - Converts between eccentricity measures. eddyfit2d - Least squares fit of 2D velocity data to an eddy profile. eddylevels - Eddy ridge significance levels using the survival function. eddyridges - Coherent eddy ridges from Lagrangian trajectories. ellband - Bandwidth of modulated elliptical signals in two or three dimensions. ellcurves - Returns curves corresponding to specified ellipse properties. elldiff - Differentiation of modulated elliptical signals. ellipseplot - Plot ellipses. ellparams - Ellipse parameters of a modulated bivariate or trivariate oscillation. ellpol - Polarization parameters of an elliptical signal. ellrad - Average and instantaneous ellipse radius. ellrossby - Ellipse Rossby number, for oceanographic applications. ellsig - Creates a modulated elliptical signal in two or three dimensions. ellvel - Average and instantaneous ellipse velocities. fillbad - Linearly interpolate over bad data points. findfiles - Returns all files in a directory with a specified extension. findpath - Returns the full pathname of a directory on the Matlab search path. fixlabels - Specify precision of axes labels. flipmap - Flips the current colormap upside-down. flipx - Flips the direction of the x-axis flipy - Flips the direction of the y-axis fminsearchbnd - FMINSEARCH, but with bound constraints by transformation. [By J. D'Errico] fontsize - Rapidly set title, axes, label, and text fontsizes. fourier - Returns the Fourier frequencies for a given length time series. frac - Fraction: FRAC(A,B)=A./B griddrifters - Average drifter velocities onto a space/time 3D grid. gulf4plot - A four-panel circulation plot for the Gulf of Mexico. haxby - The Haxby colormap. haxby_copyright - Copyright statement for the HAXBY colormap. hermfun - Orthonormal Hermite functions. [with F. Rekibi] hermpoly - Hermite polynomials. [with F. Rekibi] hlines - Add horizontal lines to a plot. hodograph - Generate hodograph plots (simple and fancy). imlog - Imaginary part of log: IMLOG(X)=UNWRAP(IMAG(LOG(X))) inellipse - Locates points on the interior of ellipses. inregion - Tests whether lat/lon points lie within a specified box. instmom - Univariate and multivariate instantaneous moments. interplatlon - Interpolation for working with latitude and longitude. inticks - Sets the 'tickdir' property of the current axis to 'in'. iseven - True for even integer values; false otherwise. isodd - True for odd integer values; false otherwise. isomax - Returns those transform maxima that are isolated from others. isridgepoint - Finds wavelet ridge points using one of several criterion. jdawson - The Dawson function and its derivatives. [With P.J. Acklam] jdeg2rad - Converts degrees to radians. jfig - Shorthand for tweaking figures. jhanning - Hanning window. jhelp - Opens linked JLAB help files in Matlab's internal web browser. jlab_addpath - Adds JLAB and JDATA subdirectories to your Matlab search path. jlab_allhelp - Displays the help comments for all JLAB modules. jlab_changes - Changes to JLAB in each release. jlab_highlights - Introduction to some of the most useful routines. jlab_index - Alphabetical index into JLAB and JDATA contents. jlab_install - Instructions for installing JLAB. jlab_license - License statement and permissions for JLAB package. jlab_makefigs - Makes figures for papers by J.M. Lilly. jlab_runtests - Runs a test suite for JLAB package. jlab_thanks - Sources of support for developing this software. jmat2 - 2x2 rotation matrix through specified angle. jmat3 - 3x3 rotation matrix through specified angle. jpcolor - Modified version of PCOLOR appropriate for cell-centered grids. jprint - Print to a specified directory and crop the resulting file. jrad2deg - Converts radians to degrees. kl2ab - Converts ellipse parameters Kappa and Lambda to A and B. lansey - The Lansey modification of Cynthia Brewer's "Spectral" colormap. lansey_copyright - Copyright statement for the Lansey colormap. latlon2uv - Converts latitude and longitude to horizontal velocity. latlon2xy - Converts latitude and longitude into tangent plane coordinates. latlon2xyz - Converts latitude and longitude into 3D Cartesian coordinates. latratio - Set plot aspect ratio for latitude / longitude plot. letterlabels - For automatically putting letter labels on subplots. linecolor - Set line colors based on a property value within a colormap. linehandles - Finds all line and patch handles from a given set of axes. linering - Moves lines through the current line style order. linestyle - Rapidly set color, style, and width properties of lines. linestyleparse - Parses the input string to LINESTYLE. lininterp - Fast linear interpolation for arbitrary-sized arrays. lnsd - Last non-singleton dimension of an array. lonshift - Shifts longitude origin for plotting purposes. make - Create a structure containing named variables as fields. makefigs_analytic - has been moved to JLAB_MAKEFIGS. makefigs_asilomar - has been moved to JLAB_MAKEFIGS. makefigs_bandwidth - has been moved to JLAB_MAKEFIGS. makefigs_closedcurves - Makes a sample figure for CLOSEDCURVES. makefigs_curvemoments - Makes a sample figure for CURVEMOMENTS. makefigs_dlines - Makes a sample figure for DLINES. makefigs_doublen - Makes a sample figure for DOUBLEN. makefigs_ecconv - Makes a sample figure for ECCONV. makefigs_element - Makes all figures for Lilly (2017), "Element Analysis." makefigs_ellband - Makes a sample figure for ELLBAND. makefigs_ellipseplot - Makes a sample figure for ELLIPSEPLOT. makefigs_ellvel - Makes a sample figure for ELLVEL. makefigs_gulfcensus - Makes all figures for Lilly and Perez-Brunius (2021b). makefigs_gulfdrifters - Makes all figures for Lilly and Perez-Brunius (2021a). makefigs_hermfun - Makes a sample figure for HERMFUN. makefigs_inellipse - Makes a sample figure for INELLIPSE. makefigs_instmom - Makes some sample figures for INSTMOM. makefigs_jdawson - Makes a sample figure for DJAWSON. makefigs_jfig - Makes a sample figure for JFIG. makefigs_jpcolor - Makes a sample figure for JPCOLOR. makefigs_jtopo - Makes a sample figure for ABOUT_JTOPO. makefigs_lansey - Makes a sample figure for LANSEY. makefigs_matern - Makes all figures for Lilly et al. 2017. makefigs_maternoise - Makes a sample figure for MATERNOISE. makefigs_maternspec - Makes some sample figures for MATERNSPEC. makefigs_mconf - Makes sample figure for MCONF. makefigs_morlfreq - Makes a sample figure for MORLFREQ. makefigs_morlwave - Makes a sample figure for MORLWAVE. makefigs_morsearea - Makes a sample figure for MORSEAREA. makefigs_morsebox - Makes a sample figure for MORSEBOX. makefigs_morsefreq - Makes a sample figure for MORSEFREQ. makefigs_morseregion - Makes somes sample figures for MORSEREGION. makefigs_morsespace - Makes some sample figures for MORSESPACE. makefigs_morsewave - Makes some sample figures for MORSEWAVE. makefigs_morsies - has been moved to JLAB_MAKEFIGS. makefigs_mspec - Makes some sample figures for MSPEC. makefigs_multivariate - has been moved to JLAB_MAKEFIGS. makefigs_patchcontourf - Makes a sample figure for PATCHCONTOURF. makefigs_periodize - Makes a sample figure for PERIODIZE. makefigs_polysmooth - Makes some sample figures for POLYSMOOTH. makefigs_polysmooth2 - Makes a sample figure for POLYSMOOTH using TPJAOS.MAT. makefigs_psi2fields - Makes a sample figure for PSI2FIELDS. makefigs_regionplot - Makes some sample figures for REGIONPLOT. makefigs_ridges - has been moved to JLAB_MAKEFIGS. makefigs_ridgetrim - Makes a sample figure for RIDGETRIM. makefigs_ridgewalk - Makes a sample figure for RIDGEWALK. makefigs_seminfhaxby - Makes a sample figure for SEMINFHAXBY. makefigs_simplepdf - Makes a sample figure for SIMPLEPDF. makefigs_slidetrans - Makes a sample figure for SLIDETRANS. makefigs_sphereinterp - Makes two sample figures for SPHEREINTERP. makefigs_stickvect - Makes a sample figure for STICKVECT. makefigs_superfamily - has been moved to JLAB_MAKEFIGS. makefigs_topoplot - Makes a sample figure for TOPOPLOT. makefigs_trackextract - Makes a sample figure for TRACKEXTRACT. makefigs_trajextract - Makes a sample figure for TRAJEXTRACT. makefigs_trajwrap - Makes a sample figure for TRAJWRAP. makefigs_transfer - Makes all figures for Lilly and Elipot (2021). makefigs_trivariate - has been moved to JLAB_MAKEFIGS. makefigs_twodhist - Makes a sample figure for TWODHIST. makefigs_twodmed - Makes a sample figure for TWODMED. makefigs_twodstats - Makes a sample figure for TWODSTATS. makefigs_vortex - has been moved to JLAB_MAKEFIGS. makefigs_wavespecplot - Makes a sample figure for WAVESPECPLOT. makefigs_wavetrans - Makes a sample figure for WAVETRANS. makefigs_widgist - Makes some sample figures for WIGDIST. mat2col - Compress NAN-padded matrix data into long columns. materncfun - Returns the normalization or C-function for a Matern process. maternchol - Cholesky decomposition of Matern and fBm covariances. [with A. Sykulski] materncov - Autocovariance of the Matern random process and variations. maternedge - Long-time cutoff edge for the Matern impulse response function. maternfit - Parametric spectral fit to the Matern form. [with A. Sykulski] maternfun - Returns the Matern function. maternimp - Impulse response function for the Matern random process. maternoise - Realizations of the Matern process and variations, including fBm. [with A. Sykulski] maternspec - Fourier spectrum of the Matern random process and variations. matinv - Fast inversion of arrays of small matrices. matmult - Matrix multiplication for arrays of matrices. matsave - Create and save structure of variables as a mat-file. max2eddy - Converts transform maxima into oceanic coherent eddy properties. maxmax - MAXMAX(X)=MAX(X(ISFINITE(X))) maxprops - Returns properties of wavelet transform maxima. mconf - Confidence intervals for the multitaper spectral estimate. minmin - MINMIN(X)=MIN(X(ISFINITE(X))) mom2cum - Convert moments to cumulants. monthstats - Mean month and standard deviation using circular statistics. morlfreq - Compute Morlet wavelet carrier frequency given peak frequency. morlwave - Morlet wavelet. morseafun - Returns the generalized Morse wavelet amplitude or a-function. morsearea - Time-frequency concentration area of Morse wavelets. [with F. Rekibi] morsebox - Heisenberg time-frequency box for generalized Morse wavelets. morsederiv - Frequency-domain derivatives of generalized Morse wavelets. morsefreq - Frequency measures for generalized Morse wavelets. [with F. Rekibi] morsehigh - High-frequency cutoff of the generalized Morse wavelets. morsemom - Frequency-domain moments of generalized Morse wavelets. morseproj - Projection coefficient for two generalized Morse wavelets. morseprops - Properties of the demodulated generalized Morse wavelets. morseregion - Generalized Morse wavelet time-frequency concentration region. morsespace - Logarithmically-spaced frequencies for generalized Morse wavelets. morsewave - Generalized Morse wavelets of Olhede and Walden (2002). morsexpand - Generalized Morse wavelets via time-domain Taylor series. mspec - Multitaper power and cross spectra. msvd - Singular value decomposition for polarization analysis. ncinterp - One-line interpolation from 3D lat/lon/time field in NetCDF file. ncload - Load all variables from a NetCDF file and convert trajectories to cells. nocontours - Removes contours from a CONTOURF plot. noisedrifters - Create a noise Lagrangian dataset matching mean and variance. nonnan - Return all non-NAN elements of an array. noxlabels - Remove some or all x-axis tick mark labels. noylabels - Remove some or all y-axis tick mark labels. oprod - Outer product: OPROD(X,Y)=X*CONJ(Y') orbitbreaks - Separate orbit into passes based on turning points. outticks - Sets the 'tickdir' property of the current axis to 'out'. packfig - Squeeze together rows and/or columns of the current figure. patchcontourf - Generate filled contours using patches, with specified colors. pdfprops - Mean and variance associated with a probability distribution. periodindex - Returns time index in increments of instantaneous period. periodize - Returns a doubly periodic version of an input array. polparams - Spectral matrix polarization parameters. polysmooth - Mapping using local polynomial fitting, also known as loess. polysmooth_bandwidth - Determine bandwidth given population for POLYSMOOTH. polysmooth_kernel - Returns the weighting kernel employed by POLYSMOOTH. polysmooth_presort - Sort arguments to POLYSMOOTH in case of missing data. polysmooth_sortfield - Returns sorted field values for a mapping problem. printall - Print and close all open figures. provec - Generate progressive vector diagrams (simple and fancy). psi2fields - Velocity and other fields from the streamfunction. [with P.E. Isachsen] quadinterp - Fast quadratic interpolation for arbitrary-sized arrays. radearth - The radius of the earth in kilometers. regionplot - Plots a simple box indicating a latitude / longitude region. reporttest - Reports the result of an m-file function auto-test. res - Residual after flooring: RES(X)=X-FLOOR(X) ridgechains - Forms ridge curves by connecting transform ridge points. ridgeinterp - Interpolate quantity values onto ridge locations. ridgelen - Wavelet ridge length expressed as number of full cycles. ridgemap - Maps ridge quantities back onto the time series. ridgemult - Ridge multiplicity, the number of simultaneous ridges present. ridgetrim - Trim edge effect regions from wavelet ridges. ridgewalk - Extract wavelet transform ridges, including bias estimates. rot - Complex-valued rotation: ROT(X)=EXP(SQRT(-1)*X) sampletimes - Computes mean sampling intervals and their statistics. seminfhaxby - The seminf-Haxby colormap. sig2latlon - Converts an oscillatory signal to lat/lon displacements. simpleddy - Streamfunction, velocity, and vorticity for various eddy profiles. simplepdf - Gaussian, uniform, Cauchy, and exponential pdfs. sleptap - Calculate Slepian tapers. slidetrans - Sliding-window ('moving-window') Fourier transform. specdiag - Diagonalize a 2 x 2 spectral matrix. sphere2uvw - Converts a 3D spherical vector to a 3D Cartesian vector. spherecurl - Curl of a vector field on the surface of a sphere. spheredist - Computes great circle distances on a sphere. spherediv - Divergence of a vector field on the surface of a sphere. spheregrad - Gradient of a field on the surface of a sphere. sphereinterp - Fast linear interpolation on the sphere from non-plaid grids. spherelap - Laplacian of a field on the surface of a sphere. spheresort - Sorted great circle distances to nearby points on the earth. spheretrans - Wavelet transform for oscillations on the surface of a sphere. squared - Squares the modulus of its argument: SQUARED(X)=ABS(X).^2 standalone - Create stand-alone version of an m-file, including dependencies. stickvect - Plots "stick vectors" for multicomponent velocity time series. structindex - Applies an index to all array-valued fields in a structure. tidefreq - Frequencies of the eight major tidal components. timeseries_boundary - Apply boundary conditions to data before transform. tmat - 2x2 complex grouping matrix. TMAT = [1 i; 1 -i] / SQRT(2) to_grab_from_caller - Returns a string to grab variable values from caller. to_overwrite - Returns a string to overwrite original arguments. topo_copyright - Copyright statement for the Smith and Sandwell topography. topoplot - Plot regional or global topography at one-sixth degree resolution. trackextract - Extracts alongtrack altimetry segments within given region. trajchunk - Chunks Lagrangian trajectories based on the Coriolis period. trajextract - Extracts Lagrangian trajectory segments within given region. trajunwrap - Unwraps Lagrangian trajectories from a periodic domain. trajwrap - Wraps Lagrangian trajectories to fit within a periodic domain. transmax - Locates modulus maximum points of wavelet transform. transmaxdist - Distributions of wavelet transform maxima in noise. twodhist - Two-dimensional histogram. twodmed - Median value of a function of two variables. twodsort - Distances from data points to nearby grid points. twodstats - Mean, variance, and covariance of functions of two variables. twospecplot - Plots a pair of rotary or Cartesian spectra. use - Copies structure fields into named variables in workspace. uv2latlon - Integrates horizontal velocity to give latitude and longitude. uvplot - Plots the real and imaginary parts of a signal on the same axis. vcolon - Condenses its arguments, like X(:). vdiff - Length-preserving first central difference. vectmult - Matrix multiplication for arrays of vectors. vempty - Initializes multiple variables to empty sets or empty cell arrays. vfilt - Filtering along rows without change in length. vindex - Indexes an N-D array along a specified dimension. vindexinto - Indexes into N-D array along a specified dimension. vlines - Add vertical lines to a plot. vmean - Mean over non-NaN elements along a specified dimension. vmedian - Median over finite elements along a specified dimension. vmoment - Central moment over non-NaN elements along a specfied dimension. vrep - Replicates an array along a specified dimension. vrms - Root-mean-square of non-NaN elements along a specified dimension. vshift - Cycles the elements of an array along a specified dimension. vsize - Returns the sizes of multiple arguments. vsqueeze - Squeezes multiple input arguments simultaneously. vstd - Standard deviation over non-NaN elements along a specfied dimension. vsum - Sum over non-NaN elements along a specified dimension. vswap - VSWAP(X,A,B) replaces A with B in numeric array X. vtranspose - Transpose multiple input arguments simultaneously. vzeros - Initializes multiple variables to arrays of zeros or nans. wavespecplot - Plot of wavelet spectra together with time series. wavetrans - Continuous wavelet transform. whichdir - Returns directory name containing file in search path. wigdist - Wigner distribution (alias-free algorithm). windtrans - Ekman-like transfer-functions for the wind-driven response. xlin - Sets x-axis scale to linear. xlog - Sets x-axis scale to logarithmic. xoffset - Offsets lines in the x-direction after plotting. xtick - Sets locations of x-axis tick marks. xy2latlon - Converts tangent plane coordinates into latitude and longitude. xyz2latlon - Converts 3D Cartesian coordinates into latitude and longitude. yearfrac - Converts a DATENUM into 'year.fraction' and 'month.fraction'. ylin - Sets y-axis scale to linear. ylog - Sets y-axis scale to log. yoffset - Offsets lines in the y-direction after plotting. ytick - Sets locations of y-axis tick marks. ztick - Sets locations of z-axis tick marks. __________________________________________________________________ This is part of JLAB --- type 'help jlab' for more information (C) 2015--2021 J.M. Lilly --- type 'help jlab_license' for details