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__HEADER__([[[Octave-Forge News Archive]]]) <div class="section"> <p>This is an abbreviated list of the changes that were introduced in various versions of octave-forge. For a full list of changes please see the <a href="__BASE_ADDRESS__/ChangeLog">ChangeLog</a>.</p> </div> <div class="section"> <dl> <dt>October 20, 2006</dt> <dd> <p>Octave-forge reorganized as a series of packages for use with the Octave package manager. See the <a href="/packages.html">packages</a> for more details</p> </dd> <dt>July 09, 2006</dt> <dd> <p>Octave-forge version 200607008 released. This version version was the last monolithic release and the first release that only supported version of octave later than Octave 2.9.</p> <p>An abbreviated list of changes is:</p> <ul> <li>purge functions moved to Octave and remove pre-2.9.x support.</li> <li>comm: new functions pam/genqam/psk mod/demod</li> <li>combinatorics: new functions for integer partitions</li> <li>geometry: fix qhull problems (finally!?)</li> <li>signal: new function square to generate square waves</li> <li>statistics: new function hmm viterbi/generate</li> <li>strings: remove regexp; api changed when moved to Octave</li> <li>linear-algebra: new function for gsvd</li> <li>general bug fixes and improvements</li> </ul> </dd> <dt>March 16, 2006</dt> <dd> <p>Octave-forge version 20060316 released. An abbreviated list of changes is:</p> <ul> <li>statistics/regress: new function</li> <li>general bug fixes and improvements</li> </ul> </dd> <dt>January 28, 2006</dt> <dd> <p>Octave-forge version 20060128 released. An abbreviated list of changes is:</p> <ul> <li>audio/waveread: big-endian fix; 2-channel file fix</li> <li>comm/galois: fix rank calculation for galois array</li> <li>general/interp2: cubic interpolation</li> <li>image/: return MxNx3 matrices of appropriate numeric class</li> <li>io/textread: faster</li> <li>io/dlmwrite: control precision and line separator; allow append</li> <li>miscellaneous/mfilename: compatibility function</li> <li>miscellaneous/listen: subnet patterns; loopback support</li> <li>NaN/xcovf: missing data xcorr</li> <li>octcdf/: support for netcdf files</li> <li>optim/wpolyfit: return row vector; allow centering and scaling</li> <li>plot/legend: fix error on first call</li> <li>plot/print: add PDF option</li> <li>signal/residued,residuez: partial fraction expansion of filters</li> <li>signal/qp_kaiser: PPN filter bank coefficients</li> <li>statistics/histfit: allow negative data</li> <li>statistics/mvnpdf,mvnrnd: multivariate normal distribution</li> <li>tsa/: improved speed, style and docs</li> <li>tsa/amarma: adaptive mean ARMA modeling</li> <li>tsa/y2res: add entropy estimation; add equidistant quantisation</li> <li>tsa/mvfreqz: add PDCF</li> <li>support for 2.9.4</li> <li>support for 64-bit indexing</li> <li>support for MinGW build</li> <li>general bug fixes and improvements</li> </ul> </dd> <dt>June 13, 2005</dt> <dd> <p>Octave-forge version 20050613 released. An abbreviated list of changes is:</p> <ul> <li>textread now returns cell arrays</li> <li>use new gnuplot interface for functions</li> <li>fix rand bug on non-intel architectures</li> <li>more econometrics functions</li> <li>new functions: randg, cellfun, cell2mat, bwarea, imresize, savepath</li> <li>bug fixes and improvements</li> </ul> </dd> <dt>November 16, 2004</dt> <dd> <p>Octave-forge version 20041116 released. Extends support to Octave 2.1.62. An abbreviated list of changes is:</p> <ul> <li>initial econometrics toolbox</li> <li>updated protein databank (extra/pdb) functions</li> <li>new functions: wavread wavwrite hann strfind randp sprandn conv2nan</li> <li>many bug fixes and improvements</li> </ul> </dd> <dt>September 07, 2004</dt> <dd> <p>Octave-forge version 20040907 released. Extends support to Octave 2.1.58. An abbreviated list of changes is:</p> <ul> <li>Base</li> <ul> <li>getfield/setfield now have a compatible interface; for the old behaviour, use setfields/getfields.</li> <li>Fill full 53-bit mantissa with the random number generators; new sequences will be different from old sequences with the same seed.</li> <li>Removed restrictions on datenum/datevec and added calendar/eomday</li> <li>Added nthroot to return real root if available</li> <li>Added isa to test for class membership</li> <li>clf resets to line graphs</li> <li>Quiver plot is faster and no longer requires clf</li> <li>Added audio playback on OS X</li> </ul> <li>Image processing</li> <ul> <li>Initial support for int* types.</li> <li>Added dilate erode bweuler bwmorph houghtf stretchlim makelut applylut uintlut padarray roicolor poly2mask qtdecomp qtgetblk qtsetblk bestblk blkproc nlfilter cmunique cmpermute col2im im2col graycomatrix conndef isrgb</li> </ul> <li>Optimization</li> <ul> <li>Replacement fzero using Brent's root finder</li> </ul> <li>Communications:</li> <ul> <li>Support for concatenation operator [] on galois type</li> <li>Reduce restrictions on bchpoly syndtable</li> </ul> <li>Signal processing:</li> <ul> <li>Added flattopwin</li> <li>fir1/fir2 have more flexible argument handling</li> </ul> <li>Sparse:</li> <ul> <li>Load/save support</li> <li>Support for concatenation operator []</li> <li>Added pcr for preconditioned conjugate gradient</li> </ul> <li>Statistics:</li> <ul> <li>Added histfit pareto tabulate anderson_darling_cdf anderson_darling_test</li> </ul> </ul> </dd> <dt>July 07, 2004</dt> <dd> <p>Octave-forge version 20040707 released. Extends support to Octave 2.1.57. An abbreviated list of changes is:</p> <ul> <li>The optimization functions have been replaced but the new interface is not yet settled. See the files in the optim directory.</li> <li>New package gsl: GNU Scientific library bindings.</li> <li>New package fixed: Fixed point numeric operations.</li> <li>New functions: polyconf wsolve fullfact pcg princomp filtic rande azimuth deg2rad rad2deg distance zoom inputname fnval fftconv2 mvaar</li> <li>Bug fixes everywhere they are found.</li> </ul> </dd> <dt>February 11, 2004</dt> <dd> <p>Octave-forge version 20040211 released. Extends support to Octave 2.1.53 for all oct-files. Improved build environment and better testing. We still need more tests! If you need a function and don't see any test cases in it, add some and send them our way. See 'help test' for details. An abbreviated list of changes is:</p> <ul> <li>Changes</li> <ul> <li>rand/randn: generates a different random number sequence from before.</li> </ul> <li>New functions</li> <ul> <li>anovan: analysis of variance</li> <li>append_save: add a variable to a save file</li> <li>assert: now supports structure arrays and cell arrays</li> <li>BFGSMin: alternative to bfgs minimizer</li> <li>conv2nan: 2-D convolution which ignores missing data</li> <li>convhull/convhulln: now allows direct control of qhull parameters</li> <li>csape: support n=3 case --- need to verify it is correct</li> <li>dxfwrite: output plot to DXF format (AutoCAD)</li> <li>fail: checks if code fails with a given error message</li> <li>galois: load/save support</li> <li>gpick: alternative to ginput</li> <li>imread: now supports 16-bit grayscale</li> <li>irsa_*: irregularly sampled data analysis functions</li> <li>map: apply a function across all elements of a cell array</li> <li>mex: initial support for structures</li> <li>pngread/pngwrite: direct access to libpng</li> <li>quadl: improved adaptive quadrature routine</li> <li>rand/randn: faster and now supports for nD arrays</li> <li>sort: fast sort based on python's timsort</li> <li>sprandn: random sparse matrix filled with normally distributed values</li> <li>str2double: convert string to double</li> <li>struct: now creates structure arrays</li> <li>toggle_grace_use: use grace plotting package rather than gnuplot</li> <li>xmlwrite: save data to xml format</li> </ul> <li>Plus the usual bug fixes and documentation updates.</li> </ul> </dd> <dt>June 02, 2003</dt> <dd> <p>Octave-forge version 20030602 released. For Octave 2.1.36 and up. An abbreviated list of changes is:</p> <ul> <li>Extended support backward to octave 2.1.36 and forward to octave 2.1.49 for all oct-files. Some scripts make use of features only available in more recent versions of Octave.</li> <li>Communications:</li> <ul> <li>sqrt over Galois field</li> <li>BCH code, modulator</li> <li>bug fixes and documentation improvements</li> </ul> <li>Image:</li> <ul> <li>added rotate_scale()</li> </ul> <li>Optimization:</li> <ul> <li>added Nick Higham's adsmax, mdsmax nmsmax for fmins</li> <li>lp() fix range error</li> </ul> <li>Plotting:</li> <ul> <li>surf()/surfc() support gnuplot 3.8i shaded surfaces</li> <li>added peaks()</li> <li>legend() inside/ouside/boxon/boxoff/right/left</li> <li>Signal Processing </li> <li>added freqs, invfreqs, invfreqz</li> <li>return statespace and laplacian IIR filters (butter, cheby1, cheby2, ellip)</li> <li>fixed aryule() to return the correct filter </ul> <li>Statistics:</li> <ul> <li>added normplot()</li> <li>scatter() optimization</li> </ul> <li>Sparse:</li> <ul> <li>added concatenation functions spvcat() and sphcat()</li> </ul> </li>Symbolic: </li> <ul> <li>added poly2sym, sym2poly, numden, findsymbols, findsym, symlsolve, symfsolve, syminfo</li> <li>subs() accepts cell arrays</li> </ul> <li>TSA/NaN:</li> <ul> <li>many bug fixes and documentation improvements</li> </ul> <li>Miscellaneous:</li> <ul> <li>added cellstr()</li> <li>fieldnames() now returns cell array</li> <li>listen() bugfixes</li> <li>ellipke() supports m < 0</li> <li>deal() now supports [a,b] = deal(b,a)</li> <li>dlmread() converted to C++ for speed and more flexible input</li> </ul> <li>administration: </li> <ul> <li>target specific build instructions (MacOSX, windows, Irix)</li> </ul> </ul> </dd> <dt>February 22, 2003</dt> <dd> <p>Octave-forge version 20030222 released. An abbreviated list of changes is:</p> <ul> <li>Updates for octave 2.1.45</li> <li>Parallel: Light weight parallel programming added but flagged NOINSTALL.</li> <li>Communications: add galois field functions and others</li> <li>Signal Processing: add convmtx and dftmtx</li> <li>Geometry: add (poor) griddata/tsearch support --- please improve!!</li> <li>VRML: new options 'z(grey|rb|col)' for vmesh() and vrml_surf(). Fixes and improvements to many functions.</li> <li>NaN: enhanced cov/covm, NaN arithmetic fixes </li> <li>TSA: bug fix (matlab 5.3 bug)</li> <li>Sparse: add spstats and x.^a, more robust</li> <li>Base functions: add fileparts, filesep, char, dos; improve dlmread</li> <li>Function overloading: dispatch() lets you call tf rather than f if the first argument to f is t.</li> <li>Octave server: listen() sets up a socket to receive octave commands from a particular host --- please improve!!</li> <li>Many fixes, compatibility improvements and better Windows support.</li> </ul> </dd> <dt>November 30, 2002</dt> <dd> <p>Octave-forge version 20021130 released. For Octave 2.1.40. An abbreviated list of changes is:</p> <ul> <li>New functions</li> <ul> <li>general/ndims: compatibility function</li> <li>image/imginfo: determines size of image using 'convert'</li> <li>image/colfilt: image block filtering function</li> <li>image/im{rotate,translate,shear}: image transformations</li> <li>miscellaneous/inline: generate a function from an expression</li> <li>miscellaneous/slurp_file: loads a file into a string</li> <li>miscellaneous/{rotv,rotparams}: parameterize 3D rotation matrices</li> <li>plot/contour.f: filled contours</li> <li>sparse/{sprand,spdiags,issparse}: sparse functions</li> <li>specfun/lambertw: Lambert's W function: x=w(x)*exp(w(x))</li> <li>specfun/betaln: log beta</li> <li>splines/pchip: Piecewise Cubic Hermitian Interpolating Polynomial</li> <li>statistics/{boxplot,scatter}: statistical plots</li> <li>symbolic/{cheb,chebwin}: Dolph-Chebyshev windows</li> <li>vrml/vmesh: 3D visualization of a surface</li> <li>vrml/*: represent and show 3D objects as VRML code (needs FreeWRL)</li> </ul> <li>Extended interfaces</li> <ul> <li>audio/au{load,save}: support floating point .wav formats</li> <li>image/colorgradient: allow instantaneous transitions (weight 0)</li> <li>optim/wpolyfit: option to fit through origin</li> <li>signal/{ellip,ellipord}: compatible interfac</li> <li>sparse/spy: accept dense matrices</li> <li>strings/mat2string: accept [] and complex</li> <li>symbolic/*: relational operators</li> <li>time/datestr: more format codes; handle vectors of dates</li> </ul> <li>Changed interfaces</li> <ul> <li>image/bwlabel: C++ version---may be different from m-file interface</li> <li>extra/ode: moved from v1.06 to v1.14</li> <li>optim/*: unified interface supporting options</li> <li>optim/wpolyfit: don't return yf</li> <li>optim/wpolyfit: return row vectors for compatibility with polyfit</li> <li>signal/nellip: replaced by ellip, ellipord</li> <li>OCTAVE_FORGE_VERSION is now an ordered integer: yyyymmdd</li> <li>FIXES/fsolve: removed because it hasn't been updated to 2.1.40</li> </ul> <li>extra/tsa</li> <ul> <li>significance test and confidence intervals for PACF</li> <li>added histogram functions for multicolumn data</li> <li>support for new releases of octave and matlab</li> <li>bug fixes</li> </ul> <li>extra/NaN</li> <ul> <li>added TRIMEAN, NORMPDF, NORMCDF and NORMRND</li> <li>extended NANTEST</li> <li>significance test and confidence intervals for CORRCOEF</li> <li>faster RANKS</li> <li>support for new releases of octave and matlab</li> </ul> <li>Internal changes</li> <ul> <li>extra/symband: eigenvector bug removed</li> <li>io/dlmread: returned matrix was transposed</li> <li>general/rat: display 1/0 for infinity</li> <li>plot/ginput: m-file version based on grab.cc</li> <li>plot/legend: give gnuplot time to respond to parameter request</li> <li>signal/{buttord,fir1}: bug fixes</li> <li>sparse/spy: prettier graph</li> <li>gcc 3.2 updates</li> <li>octave 2.1.40 updates</li> <li>remove functions and fixes that are now in octave</li> </ul> <li>Administration</li> <ul> <li>vrml/doc: LaTeX tutorial on 3D visualization tools</li> <li>Octave for Windows FAQ updates</li> <li>INSTALL.WINDOWS installation notes</li> <li>support for static build under Windows</li> </ul> </ul> </dd> <dt>May 09, 2002</dt> <dd> <p>Octave-forge version 20020509 released. This is a bug fix release. Many thanks to the good folks at Debian for finding the portability problems. An abbreviated list of changes is:</p> <ul> <li>New functions</li> <ul> <li>miscellaneous/OCTAVE_FORGE_VERSION</li> <li>extra/tsa/durlev</li> <li>strings/base64encode</li> <li>signal/guasswin</li> <li>image/colfilt</li> </ul> <li>Changes</li> <ul> <li>audio/sound: uses ssh rather than rsh for remote audio</li> <li>testfun/assert: use tol>0 for relative error, tol<0 for absolute err</li> <li>optim/bfgs: new interface</li> <li>optim/minimize: ndiff, jac, hess and ihess options</li> <li>NaN/sumskipnan: additional outputs</li> <li>NaN/*: bug fixes</li> </ul> <li>Bug fixes</li> <ul> <li>signal/triang: for n=2, peak=1 at the virtual center of the window</li> <li>signal/gaussian: now returns a symmetric window</li> <li>now compiles on most Debian systems which support Octave.</li> <li>updated doc strings, tests </ul> <li>Administration</li> <ul> <li>make check and make icheck added. Only supports the compiled functions at the moment, but it is a start. </ul> </ul> </dd> </dl> </div> __TRAILER__