Mercurial > hg > octave-nkf
diff NEWS @ 14188:053404893d02 stable
update NEWS
author | John W. Eaton <jwe@octave.org> |
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date | Tue, 10 Jan 2012 16:04:55 -0500 |
parents | 3f2a3076b9a6 |
children | 14d602c4f6e8 e2a14d1b4eaa 73f02881260f |
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--- a/NEWS +++ b/NEWS @@ -1,11 +1,16 @@ Summary of important user-visible changes for version 3.6: --------------------------------------------------------- - ** The PCRE library is now required to build Octave. + ** The PCRE library is now required to build Octave. If a pre-compiled + package does not exist for your system, you can find PCRE sources + at http://www.pcre.org ** The ARPACK library is no longer distributed with Octave. - If you need the eigs() or svds() functions you must provide an external - ARPACK through a package manager or by compiling it yourself. + If you need the eigs or svds functions you must provide an + external ARPACK through a package manager or by compiling it + yourself. If a pre-compiled package does not exist for your system, + you can find the current ARPACK sources at + http://forge.scilab.org/index.php/p/arpack-ng ** Many of Octave's binary operators (.*, .^, +, -, ...) now perform automatic broadcasting for array operations that allows you to use @@ -60,7 +65,7 @@ 75% reduction in memory usage through use of logical indexing. - Random sample functions now use the same syntax as rand() and accept + Random sample functions now use the same syntax as rand and accept a comma separated list of dimensions or a dimension vector. Functions have been made Matlab-compatible with regard to special @@ -68,9 +73,10 @@ distribution, etc.). This may cause subtle changes to existing scripts. - negative binomial function has been extended to real, non-integer inputs. - discrete_inv() now returns v(1) for 0 instead of NaN. - nbincdf() recoded to use closed form solution with betainc(). + negative binomial function has been extended to real, non-integer + inputs. The discrete_inv fucntion now returns v(1) for 0 instead of + NaN. The nbincdf fucntion has bbeen recoded to use a closed form + solution with betainc. ** strread, textscan, and textread have been completely revamped. @@ -403,8 +409,8 @@ ordering defined by the `max', `min', and `sort' functions. More specifically, complex numbers are compared by lexicographical comparison of the pairs `[abs(z), arg(z)]'. Previously, only real - parts were compared; this can be trivially achieved by wrapping the - operands in real(). + parts were compared; this can be trivially achieved by converting + the operands to real values with the `real' function. ** The automatic simplification of complex computation results has changed. Octave will now simplify any complex number with a zero @@ -533,7 +539,7 @@ cat/vertcat/horzcat functions. ** It is now possible to optionally employ the xGESDD LAPACK drivers - for computing the singular value decomposition using svd(), instead + for computing the singular value decomposition using svd, instead of the default xGESVD, using the configuration pseudo-variable svd_driver. The xGESDD driver can be up to 6x times faster when singular vectors are requested, but is reported to be somewhat less @@ -718,7 +724,7 @@ for i = 1 : 100 pause(0.1) y = sin (x + 0.1 * i); - refreshdata(); + refreshdata (); endfor works as expected. This capability has be used to introduce