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Maxima 5.18 change log
Compiled 2009-04-17
Backwards-incompatible changes:
* cut out broken code intended to support xgraph
New items in core:
* function bfallroots to compute polynomial roots with bigfloats
* general scheme for integrals of special functions
* exponential integrals
* incomplete beta function
* Fresnel integrals
* Lambert W function
New items in share:
* package minpack
* package colnew
* package z_transform
* package finance
Other revisions:
* additional special cases of integrals of power functions
* bigfloat arithmetic
* gamma function and friends
* error function and friends
* Bessel functions
* elliptic functions and inverse elliptic functions
* hypergeometric functions
* strengthen laplace function
* beta function
* Imaxima user interface: new version
* package to_poly_solver: revision
* package abs_integrate: revision
* package orthopoly: Pochhammer function
* package draw: revision
* package sarag: revision
* package plotdf: revision
* package f90: revision
* package odelin: test script
* package dynamics: test script
* package ezunits: minor revision
* package amatrix: minor revision
* recognize integers in base greater than 10
* tex function can assign user function as TeX property
* revision and translation of message strings (incomplete)
* documentation revisions throughout
* patches for Clozure CL throughout
* build Maxima with ECL via build system used for other Lisps
* minor code clean-up throughout
Bug fixes:
2698078 set_partitions does not produce simplified sets
2688847 float of rats rounds incorrectly
2687962 hgfred([-3/2,1],[-1/2],-t) division by zero
2686902 noninteger pochhammer_max_index
2686901 nonglobal declare for pochhammer
2672976 wxMaxima 0.8.1: set logscale x gives error
2665228 read_list(file_search()) empty %o:s
2664752 xMaxima and wxMaxima: eivals causes multiple %o:s
2657271 wxMaxima 0.8.0 mnewton-hungs
2652359 wxMaxima 0.8.0 hungup on collectterms
2650081 integrate(atan(y),y,x,inf) loops endlessly
2631766 abs((1+%i)^%i) is wrong
2618401 bfloat produces incorrect answer
2604950 rats with keepfloat
2600423 Running a loaded ODE package causes error
2585332 strange linechar/label display
2582034 hgfred([a/2,-a/2],[1/2],z) causes error
2543079 bfloat(gamma(3/4)/gamma(1/4)) is wrong
2534420 asinh(%i*2b0) causes error
2505945 hgfred([2,-1/2],[3],-x^2)
2505241 solve multiplicities wrong
2501765 integrate((-14*x^2-32)/(x^4+3*x^2+1)^2,x,0,inf);
2470996 asksign(min(1,x))
2459008 misspelling of grassmann algebra
2412132 invalid contraction of ichr2
2393169 spherical_harmonic: Bad argument to genfact
2358696 is equal bug
2354306 Questions with multiple commands
2180110 GCL do not signal an overflow converting bigfloat to float
2055235 Plot leaves range with jacobi functions
1981623 wrong sign of sqrt()
1757448 plot2d tries to plot no-numbers
1663399 solve/algsys bug
1658067 jacobi_sn(elliptic_kc(1-m)*%i/2,m) isn't simplified
1498047 limit(a/n,n,inf)
1419046 sign bug
1055377 assignment to SETVAL causes a break if SETCHECK: ALL
1045503 REARRAY complains about non-numeric size argument
940835 rectform fails with float/numer flags
903130 make_array doesn't check arg types
887639 listarray when use_fast_arrays : true
792514 Subscripted literal array doesn't display
783847 assignments to %i, inf, ...
623904 Taylor should be contagious in more places
609466 Fatal error in solve/algsys
505443 Halfangle limitation
unnumbered: bug in split_sum (package simplify_sum)
unnumbered: correct axis label for logarithmic plot
unnumbered: fix limit(signum(x), x, 0, plus)
unnumbered: spurious question in integrate(x/(1-x),x,-1,1)
unnumbered: fix infinite loop for limit(x, x, infinity)
unnumbered: error with atanh(0.75b0)
unnumbered: signum_int(cos(x) / (sin(x) - cos(3*x)),x) --> endless loop
unnumbered: integrate(1/x^3, x, 1, inf)
unnumbered: integrate(1/(x + abs(x)),x) --> division by zero error
unnumbered: integrate(signum(x + sqrt(1-x)),x) ---> bogus
unnumbered: integrate(signum(x) * f(x),x)
unnumbered: category refs in html docs not turned into links
unnumbered: map("{", ...) yields an expression which has operator ${
unnumbered: reset(niceindicespref) has a strange effect when i is bound
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