Last modified: Thu May 8 11:55:54 EDT 2008
Open Source Software |
bcoupling Calculates the boxcar coupling matrix bpboxcap Calculates the power spectrum of zonal boxcar caps or belts galpha Spatial eigensolutions of the localization problem (Simons, Dahlen and Wieczorek 3.15/5.7) gammap Calculates a matrix important to calculate the variance of multitaper estimates gammab Calculates another matrix important to calculate the variance of multitaper estimates glmalpha Spectral eigensolutions of the localization problem (Simons, Dahlen and Wieczorek 4.6/5.2) mcoupling Calculates the individual multitaper coupling matrix mcouplings Calculates the eigenvalue-weighted multitaper coupling matrix multivar Calculates the multitaper estimation variance mvarratios Calculates the eigenvalue-weighted multitaper estimation variance multivar Calculates the multitaper estimation variance, the fast way periodovar Calculates the periodogram estimation variance plm Associated Legendre functions (Dahlen & Tromp B.48) ulmmp Single-degree transformation matrix that maps real to complex harmonics ummp Block-transformation matrix that maps real to complex harmonics plm Associated Legendre functions (Dahlen & Tromp B.48) xlm Normalized associated Legendre polynomials (Dahlen & Tromp B.58) ylm Normalized real spherical harmonics (Dahlen & Tromp B.72) pxyerh Error handling for PLM, XLM and YLM pxynrm Normalization verification (Dahlen & Tromp B.49/B.59/B.73) randsphere Calculates points randomly distributed on a spherical surface whitevariance Calculates the multitaper estimation variance, the slow way
africa Coordinates and splining of Africa amazon Coordinates and splining of the Amazon basin australia Coordinates and splining of Australia bezier Smooths a geograhic curve by B-spline fitting boxcap Calculates zonal polar boxcar tapers boxcaptarget Targets a zonal polar boxcar tapers to a point on the sphere caploc Calculates the location of a spherical cap christoffeldarboux Verifies various Christoffel-Darboux theorems dlmlmp Calculates the axisymmetric spatiospectral concentration kernel dphpatch Calculates the integration domain of a spherical patch dphregion Calculates the integration domain of a closed spherical surface england Coordinates and splining of England eurasia Coordinates and splining of Eurasia greenland Coordinates and splining of Greenland grunbaum Calculates circular single-cap tapers of a single angular order grunbaum2 Calculates circular double-cap tapers of a single angular order kernelc Finds the kernel whose eigenfunctions are optimally concentrated legendreprodint Integrates products of Legendre functions localization Finds bandlimited functions localized to a closed spherical domain namerica Coordinates and splining of North America nsubm Calculates partial Shannon number at a single angular order orinoco Coordinates and splining of the Orinoco basin orthocheck Checks orthogonality, determines integration points, calculates eigenvalues phicurve Finds longitude crossings at query latitudes for closed spherical curves samerica Coordinates and splining of South America spharea Computes areas of closed domains on the unit sphere sdwallcons Calculates localization solutions to all of Earth's continents sdwcap Calculates circular single-cap tapers of a single angular order sdwcap2 Calculates circular double-cap tapers of a single angular order sdwtarget Targets a single-order circular taper to a point on the sphere sinsin Performs longitudinal integral with (co)sine functions sincos Performs longitudinal integral with (co)sine functions coscos Performs longitudinal integral with (co)sine functions coscosexp Performs longitudinal integral with (co)sine functions and complex exponentials sincosexp Performs longitudinal integral with (co)sine functions and complex exponentials
addmabout Find the running index in a block array with SH degrees and orders addmin Repeats the degrees in a vector l+1 times addmoff Calculates total number of orders belonging to an alternative SH expansion addmon Lists degrees and orders belonging to a SH expansion addmout Lists degrees and orders belonging to an alternative SH expansion addmup Calculates total number of orders belonging to a SH expansion blanco Calculates spherical harmonics rotation (Wigner-D) matrix, method I cpx2rsh Converts complex to real spherical harmonics coefficients datafit Least-squares solutions to a linear system with (un)known data covariance dlmb Calculates spherical harmonics rotation (Wigner-D) matrix, method II gaunt Calculates Gaunt coefficients using three different algorithms gausslegendre Performs Gauss-Legendre quadrature gausslegendrecof Calculates weights and abscissas for Gauss-Legendre integration geopotential Plots geopotential fields for Earth, Moon and Mars guseinov Calculates Clebsch-Gordan and Gaunt coefficients using binomial coefficients legendrecof Calculates roots and coefficients of Legendre polynomials legendreroots Calculates roots of Legendre polynomials libbrecht Libbrecht's algorithm to calculate high-order Legendre functions plm2pot Reads in and scales geopotential coeffficients plm2rot Rotation of spherical harmonics coefficients using Euler angles plm2spec Calculates the power spectrum of real spherical harmonic coefficients plm2th Inverse single-order spherical harmonic transform plm2xyz Inverse spherical harmonic transform plotonsphere Plots data on a sphere plotonearth Plots data on an Earth sphere with continents plotplm Plots spherical harmonics in various ways pl2th Inverse Legendre transform rotenberg Calculates Wigner symbol values from Rotenberg's peculiar notation rsh2cpx Converts real to complex spherical harmonics coefficients rotcof Rotation of spherical harmonics coefficients around z-axis shcos Retrieves spherical harmonics cosine coefficients from matrix listing shsin Retrieves spherical harmonics sine coefficients from matrix listing simpson Performs Simpson quadrature sinsinexp Performs longitudinal integral with (co)sine functions and complex exponentials sixj Calculates Wigner 6j coefficients, from lookup table th2pl Forward Legendre transform th2plm Forward single-order spherical harmonic transform threej Calculates Wigner 3j coefficients, from lookup table topography Plots topography fields for Earth, Moon and Mars trapeze Performs trapezoidal quadrature triangle Checks the triangle inequality wignercycle Calculates Wigner 3j coefficients, for lookup table wigner0j Calculates zero-bottom-row Wigner 3j coefficients, by recursion wigner3j Calculates Wigner 3j coefficients, by recursion... so-so algorithm wigner3jm Calculates Wigner 3j coefficients, by recursion... better algorithm wigner6j Calculates Wigner 6j coefficients, by recursion xyz2plm Forward spherical harmonic transform zeroj Calculates zero-bottom-row Wigner 3j coefficients, from lookup table
wtALL Analyzes a whole directory of data in SAC form and prints results to a file wtALL_diagnostics The actual results of the above analysis used and interpreted by Simons et al., EPSL (2006) allen1 One of a sequence of programs related to Simons et al., EPSL (2006) allen2 One of a sequence of programs related to Simons et al., EPSL (2006) allen3 One of a sequence of programs related to Simons et al., EPSL (2006) allen4 One of a sequence of programs related to Simons et al., EPSL (2006) allen5 One of a sequence of programs related to Simons et al., EPSL (2006) allen6 One of a sequence of programs related to Simons et al., EPSL (2006) allen7 One of a sequence of programs related to Simons et al., EPSL (2006) allen8 One of a sequence of programs related to Simons et al., EPSL (2006) allen9 One of a sequence of programs related to Simons et al., EPSL (2006) locident An auxiliary program to the above codes used to Simons et al., EPSL (2006) statident An auxiliary program to the above codes used to Simons et al., EPSL (2006) installen Computes the instantaneous frequency of a signal
abank Analysis filter bank compres Figures out compression level of the wavelet approximation decay Figures out the decay of the wavelet coefficients denoise Denoises a signal by wavelet thresholding dnums Figures out the number of scaling and wavelet coefficients dyadplot Plots wavelet and scaling coefficients on dyadic grid even Returns logical downsampling array fbank Filter bank illustration of perfect reconstruction graphs Computes graphs of wavelets and scaling functions intersub Interpolation subdivision for interpolating boundary filters iwt Inverse wavelet transform (this is the main routine) landd Returns lengths and downsampling arrays liftco Wavelet coefficients and lifting steps makewc Makes and saves data base with wavelet coefficients plotnorm Plots data on unit interval polyphase Returns the polyphase forms for a given filter pair prodco Checks the product filter sbank Synthesis filter bank succapp Successive approximation of a signal by wavelet analysis succaplot Plots successive wavelet approximation of a signal tenlectures63 Reproduces Figure 6.3 of Daubechies' "Ten Lectures" book threshold Thresholds wavelet or scaling coefficients wavetour710 Reproduces Figure 7.10 of Mallat's "Wavelet Tour" book wavetour714 Reproduces Figure 7.14 of Mallat's "Wavelet Tour" book wc Lists wavelet filter coefficients wigner Computes the alias-free Wigner-Ville distribution wt Forward wavelet transform (this is the main routine) wtimax Makes a wavelet time axis for polyphase and lifting implementations wtlift Fast discrete wavelet transform by (integer) lifting
bracewell Illustrates the real/imaginary properties of the Fourier transform fhanning Calculates a Hann window for spectral analysis jackknife Returns delete-one sampling matrix for a set of values pchave Chave's method of robust spectral estimation pchavedemo Illustration of Chave's method of spectral estimation spectrogram Calculation of the spectrogram specdensplot Calculates and then nicely plots the spectral density using PCHAVE timdomplot Reads and then nicely plots seismic data using READSAC timspecplot Calculates and then nicely plots the spectrogram using SPECTROGRAM
annulus Calculates a 2-dimensional annulus bayram Calculates a Hermite-multiple window spectral estimate choice Picks a set of Hermite multitapers cohen Calculates the smoothing kernel for a Cohen's class spectral estimator forsyth Predicts coherence and admittance using Forsyth's (1985) method geninv Calculates the generalized inverse halfmazi Calculates maximum and half maximum along an azimuth in a 2-D data set halfmiso Calculates maximum and half maximum of an azimuthally averaged 2-D data set hermite Computes Hermite-polynomial multitapers hermitian Makes a matrix Hermitian so its inverse Fourier transform is real knum2 Makes a Hermitian two-dimensional wavenumber scale laguerre Computes Laguerre polynomials loading Computes topography, gravity and their relation for an arbitrary loading model loading1 A demo version of loading maxazi Calculates mean and maximum of mean azimuthal line integral of a data set. mckenzie Predicts coherence and admittance using McKenzie's (2003) method mtm3 Two-dimensional multi-taper analysis with Slepian tapers mtm4 Two-dimensional multi-taper analysis with Hermite tapers parker Computes terrain/Bouguer corrections using Parker's (1972) method planef Calculates and/or draws a plane planefit Calculates a best-fitting plane through a data set randphase Returns random phase angles syncoh Creates a data set with a known coherence to another one transl Predicts transitional coherence wavelength for a loading model
blockcorr Calculates correlation coefficients between tiles of two images blockcorr2 Uses BLOCKCORR to find best-fitting shifts to align two images blockcorr3 Uses BLOCKCORR2 to successively correlate a series of images blockisolate Retrieves a submatrix from within a larger matrix blockisolate2 Retrieves a subregion from within a larger area, in physical coordinates blockmean Calculates means of submatrices within a matrix blocktile Calculates (the number of) overlapping squares tiling a matrix innermerge Writes newly aligned images from parameters calculated by BLOCKCORR3
readsac Reads SAC-formatted binary seismograms writesac Writes SAC-formatted binary seismograms lowpass Low pass filtering bandpass Bandpass filtering hipass High pass filtering stalta STA/LTA triggering algorithm wtevents Makes a diagnostic wavelet analysis plot of a seismogram
acor2ind Matches a physical coordinate to a sequential equal-area grid cell index aind2sub Returns row and 'column' index given a sequential equal-area grid cell number apex Calculates highest points on a great circle asub2ind Returns a sequential equal-area grid cell number given a row and 'column' index authalic Calculates an equal-area grid for a regional tomography experiment clutser Simplified clustering algorithm to equalize coverage in discrete cells distgrc Calculates coordinates of points at a certain distance on a great circle eqplot Plots an equal-area grid as calculated by AUTHALIC fillauth Fills the cells of an equal-area grid from AUTHALIC with prescribed colors fridplot Plots a regular grid grcazim Calculates points lying on a great circle of specified azimuth grcircle Calculates great circle points through a pair of points grcdist Calculates uncorrected great-circle distance gridcheck Check if grid dimensions are up to containing all event/station pairs gridlod2 Loads the three-dimensionsal grid defined by GRIDINFO and INAMAK3D gridsec Performs surface-wave ray tracing and calculates sensitivity matrix elements - with demo lcsg Loads all matrices with information written by and for SURFTRACE lcsd Loads some matrices with information written by SURFTRACE neqplot Plots a clustered grid as calculated by CLUTSER surfaz Calculates azimuthal coverage from the matrices written by SURFTRACE surfdens Calculates ray path density from the matrices written by SURFTRACE surftrace Uses GRIDSEC to calculate and write the matrices for inversion (this is the main routine) truecourse Calculates the true course at the first point between great-circle points
adrc Adds a row and a column to a matrix suitable for plotting bindens Density plot for data where histograms are made for the y-data only binsearch Performs a binary search through a presorted array boxtex Makes rectangular boxes filled with text circ Plots circles and circle segments cor2ind Switches between physical coordinates and matrix indices dat2col Converts data values to indices in one of multiple color maps decibel Converts a range of values to decibel defval Supplies default value to a named variable degamini Undoes gamini which replicates elements of a vector deggies Put degree signs on a graph demmap Applies colormap suitable to plot Earth's topography difer Evaluates the difference between two quantities errorfill Plots error bars as shaded regions errorxy Plots symmetric error bars on data in the the x and y direction errorxy2 Plots asymmetric error bars on data in the the x and y direction ext2lrtb Transforms 'extent' to 'left-right-top-bottom' coordinates for use with FILLBOX fftaxis Makes a frequency axis for Fourier transformed data fftaxis1D Makes a frequency axis for Fourier transformed time series figdisp Suggests print command for figures fig2print Makes the figure window wysiwyg fillbox Makes rectangular boxes filled with color flipflop Flips and duplicates a matrix suitable for spectral analysis fralmanac An almanac with Earth and planetary data fsize Determines a file size gamini Replicates elements of a vector gamini2 Replicates elements of a matrix gauss Makes a 1-D gaussian gauss2 Makes a 2-D gaussian getcol Converts a color symbol into RGB values getkids Gets axis children getpos Gets axis handle positions grey Defines a scaled grey color imagef Plots a map using pixel-centered coordinates imagefnan Plots a map with NaN's using pixel-centered coordinates indeks Returns the ith entry of a matrix ind2cor Switches between matrix indices and physical coordinates insert Insert elements at certain positions into a vector isav Returns azimuthally isotropic average of a two-dimensional array kelicol Uses the color scheme designed by Hrafnkell Kárason krijetem Creates figure panels and handles kindeks Returns the ith column of a matrix latitude Yields coordinates for a line of latitude label Puts smart labels on figure panels laxis Positions an axis on top of another one for easy annotation lcs2spr Converts the format written by SURFTRACE to a conventionally sparse matrix ldetrend Removes best-fitting linear trend from data letter Returns letters from the alphabet linazim Plots directional data on a map longitude Yields coordinates for a meridian loadb Loads binary data longitude Yields coordinates for a meridian lrtb2ext Transforms 'left-right-top-bottom' to 'extent' coordinates for use with FILLBOX ls2cell Collects directory contents in a cell array longticks Produces outward facing tickmarks matranges A supremely useful function to make index vectors minmax Finds the minimum and maximum value of a matrix mollweide Projects data into a Mollweide projection movev Moves a figure object vertically moveh Moves a figure object horizontally moving Computes moving average of a signal nolabels Dispenses with axis labels noticks Dispenses with axis ticks nounder Gets rid of a filename underscore number Adds numbers to the entries in a vector openup Makes the axis slightly more than "tight" osdep Changes flag according to the operating system parse Performs some simple string parsing pauli Returns a Pauli-type matrix useful in the generation of Toeplitz matrices plotcont Plots continental outlines from a database plotplates Plots plate boundaries from a database plotprop Plots geographically distributed properties as color-scaled dots pref Gets a filename prefix recindex Returns the mapping of one array into another revolve Transforms a radial profile into a cylindrically symmetric data set rindeks Returns the ith row of a matrix rotdom Rotates a data domain over a specified angle rots Rotates the Slepian polar-cap basis around the z-axis rottick Rotates tick mark labels on a graph rotx Rotates vector in three dimensions around the x-axis roty Rotates vector in three dimensions around the y-axis rotz Rotates vector in three dimensions around the z-axis row2stats Find statistics of data presented belonging to different groups scale Scales data values to fall within some range seemax Equalizes axis ranges on plots serre Brings subplot panels closer together shrink Reduces width and height of a figure object shuffle Shuffles the rows or entries in a matrix or vector skip Reduces a vector by skipping certain positins spr2lcs Converts a conventionally sparse matrix to the format written by SURFTRACE star69 Returns calling function name it it exists subnum Returns a figure panel subnumber suf Gets a filename suffix supertit Finds space for a title spanning several panels top Moves a graphics handle to the top of the stack tridiag Constructs a tridiagonal matrix unproject Unprojects a simple coordinate transformation on a map writeb Writes binary data xtraxis Adds a second axis to a plot xtraxis1d Adds a logarithmic wavelength axis to a wavenumber plot xtraxis1dlin Adds a linear wavelength axis to a wavenumber plot
conm.mat Continental data for use in PLOTCONT cont.mtl Continental data for use in PLOTCONT cost.mtl Continental data for use in PLOTCONT Daubechies.mat Daubechies' wavelet coefficients for use in WC CDF.mat Cohen, Daubechies, Feauveau wavelet coefficients for use in WC CDFI.mat Cohen, Daubechies, Feauveau integer wavelet coefficients for use in WC gji2002lonlat Simons et al. (GJI, 2002) data set for use in the GRIDSEC demo generic.m An example program with information pertaining to the depth grid for GRIDLOD2 gridinfo An example file with information pertaining to a surface grid for GRIDLOD2 inamak3d An example file with information pertaining to a depth grid for GRIDLOD2 kelim.mat A color scheme designed by Hrafnkell Kárason for use in KELICOL plates.mtl Plate boundary data for use in PLOTPLATES platm.mat Plate boundary data for use in PLOTPLATES Earth.mat Earth data for use in FRALMANAC Mars.mat Mars data for use in FRALMANAC Moon.mat Moon data for use in FRALMANAC SHM.mat Spherical harmonic data for use in FRALMANAC XYZ.mat Spatial data for use in FRALMANAC topo.mat A color scheme good to plot Earth's topography for use in DEMMAP
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Frederik Simons
Last modified: Thu May 8 11:55:54 EDT 2008
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