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Maxima 5.12.0 change log
Compiled 2007-04-11
Major changes:
* lapack package (BLAS and LAPACK functions)
Backwards-incompatible changes:
* openplot_curves function removed (superseded by plot2d([discrete, ...]))
* qq package removed (superseded by QUADPACK functions)
* romberg function is now a share package (superseded by QUADPACK functions)
* airy function removed (superseded by airy_ai, airy_bi)
* plot2d_ps functions removed (superseded by Postscript mode of Gnuplot)
* cholesky function removed (superseded by cholesky in linearalgebra package)
* gauss function removed (superseded by random_normal in distrib package)
* kach function removed (superseded by simplex package)
* det function removed (superseded by determinant)
* closed_form renamed to simplify_sum
New items in core:
* ? <foo> => exact search (now default) and ?? <foo> => inexact search
* multiple assignment (e.g. [a, b, c] : [1, 2, 3])
* Separate Brazilian Portuguese and European Portuguese in docs
* contour_plot function
* random_permutation function
* absolute_real_time, elapsed_real_time, elapsed_run_time functions
* sublist_indices function
* --very-quiet command line option (suppress labels and banner)
* defstruct function moved from share into src
New items in share:
* to_cl function
* levin package (acceleration of summations)
* fractals package
* clebsch_gordan function (Wigner 3j, 6j, and 9j symbols)
* meijer_g function (E-function of MacRobert and G-function of Meijer)
* grobner package: documentation
* implicit_plot: documentation
* sym package: documentation English translation
* grobner package: documentation
Other revisions:
* plotting code: many revisions
* allow partially-evaluated Boolean expressions
* diffequations package: many revisions
* Default g.c.d. algorithm is now spmod (was subres)
* Reference manual: many revisions in all languages
* Try harder to simplify products and powers of inf and minf
* Build system: revisions
* zeilberger package: test scripts
* sarag package: new version
* dynamics package: revisions
* numericalio, stringproc, linearalgebra functions now autoload
* emaxima: minor revisions
* simplify_sum package: minor revisions
* symbols may comprise any alphabetic characters (not just A-Z)
* Expanded test suite
* Source code clean-up
* Modifications for better compatibility with case-sensitive Lisp
Bug fixes not otherwise mentioned:
* 1682678: function 'join' with non-list argument
* 1670491: columnspace
* 1668376: risch & *integrator-level* unbound
* 1663704: integrate(sin(r*x)^7/x^4,x,0,inf) -> r^3*false
* 1663530: lu condition number
* 1662070: mnewton doesn't allow subscripted vars
* 1661490: An integral gives a wrong result
* 1659985: vandermonde_matrix with 0 as an argument
* 1659477: push in caseq broken
* 1659405: mnewton variable name problem
* 1657350: edit keys should not be case sensitive
* 1654183: integrate(x^2 / (1+x^6)^(3/2),x)
* 1653672: floor(...) gives internal error
* 1650843: plot2d(acot(x)) signals an error and doesn't plot
* 1648352: rules and pattern bug
* 1647987: invert_by_lu using rationalfield
* 1646761: limit atanh @ -1 / 1 all wrong...
* 1644590: is equal and kron_delta are inconsistent
* 1644378: floor and ceiling change bigfloatone
* 1642851: notequal isn't negation of equal
* 1636823: conjugate of an array
* 1636789: conjugate & ratsubst
* 1638731: abs(x^k) with k declared integer
* 1636746: tellsimp and abs
* 1635372: specint returns expression containing internal Lisp variable
* 1635370: absolute value of conjugate
* 1635322: abs of infinity, minf, ...
* 1635320: absolute value of CL array
* 1641457: Taylor polynomials of Bessel functions
* 1631094: integrate(sin(n*x)*x, x) => linear time when n is an integer
* 1629724: Documentation in fourie pkg, meaning of p in fourier(f,x,p)
* 1620977: limit(5^n/(2^n*3^n),n,inf) is wrong
* 1614821: solver.mac still not working as expected
* 1607567: trigreduce([atan(sin(a)/cos(a))]) => [ atan(tan(a)) ]
* 1370433: trigsimp(sqrt(%i2)) != sqrt(trigsimp(%i2))
* 1122736: askinteger involving %pi wrong
* 836780: taylor(acosh(x),x,1,1)
* 771061: expand dot expr -> fatal error
* 707256: asksign/signum of ind and infinity
* 629716: dotexptsimp and x^^2
* 623165: taylor(acosh) wrong
* Various bug fixes in XMaxima
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