Maxima 5.14.0 change log
Compiled 2007-12-15


Backwards-incompatible changes:

* Maxima strings are now Lisp strings (not Lisp symbols)

* Change name of quotient operator from "//" to "/"

* Regularize return values of dgeev and dgesvd in lapack


New items in share:

* share/contrib/gf: Galois fields

* share/contrib/fourier_elim: solve inequalities via Fourier elimination

* share/contrib/fresnel: Fresnel integrals

* share/contrib/unwind_protect: programming construct to catch errors

* share/draw/implicit3d: implicit surfaces by the marching cubes algorithm


Other revisions:

* Bigfloat %pi via Chudnovsky series and %e via modified Taylor series

* share/contrib/sarag: new version

* share/contrib/ezunits: units conversion capability

* share/contrib/numericalio: partial reads, binary float input

* share/matrix/eigen.mac: gramschmidt accepts optional inner product

* share/numeric/romberg: evaluate arguments as an ordinary function

* share/draw: enhancements

* Bug fixes and updates in differential equations

* share/tensor/ctensor: nonsymmetric metrics

* Minor bug fixes in TeX output

* Minor enhancements in Maxima->Lisp translation

* Category system in English-language html documentation

* Additional documentation

* Russian translation of reference manual in progress

* Various unnumbered bug fixes


Bug fixes not otherwise mentioned:

* 1834217: limit w.r.t. subscripted variable => internal error

* 1827488: Not assuming not equal to

* 1805179: fatal error: Integral calculation failure

* 1778796: integrate( (x^3+1)/(x^4 + 4*x + 1), 0, 1)

* 1764114: signum misses simp rule

* 1707955: transpose noun / verb confusion

* 1704583: problem with limit at zero different from each side

* 1687332: pochhammer of bfloat

* 1682435: taylor of rat(factor(1+x)) gives internal error

* 1665657: limit fails to find easy limit

* 1659946: Lisp error on solve

* 1654602: limit(%e^b*erf(x),x,inf) asks sign(

* 1650226: Bind stack overflow for factor 7th degree

* 1641062: limit allows non-symbol variable and gives nonsense results

* 1606731: limit of algebraic when algebraic : true

* 1606304: limit with subscripted variable error

* 1594977: limit(n/(n^2+1), n, -inf)

* 1528607: limit(a^x,x,inf) can't solve for a : abs(a) < 1

* 1498047: limit(1/x, x, -infinity)

* 1479409: Maxima thinks pochhammer is real

* 1203443: taylor about minf

* 1042244: gfactor(a^4+b^4) fatal error

* 923407: limit(atan(sqrt(x))/sqrt(x),x,0) wrong

* 792862: factor(r^2-3*r+3,a^3+1) fatal error

* 701628: taylor(x^2,x,minf,2) -- wrong sign

* 696818: Taylor internal error (rat problem?)

* 696804: factor FAILS on polynomial !!!

* 681191: gfactor(x^4-y^4); crashes

* 663873: taylor / fixes

Maxima 5.16 change log
Compiled 2008-08-13


Major changes:

* ECL can build Maxima via autoconf machinery


Other revisions:

* Revision and extension of code for exponential integral functions

* Revision and extension of code for hypergeometric functions

* share/contrib/amatrix: revisions

* share/contrib/gf: bug fixes

* share/contrib/sarag: revisions

* share/contrib/zeilberger: revisions

* share/contrib/graphs: revisions

* share/contrib/distrib: revisions and new test script

* share/contrib/maximaMathML: revisions

* share/tensor: additional demonstrations

* Patches for Lispworks and MCL

* Revisions and extensions of reference manual and its translations


Bug fixes:

* 2030675: fourier_elim([f(abs(x)) > 0],[x]) --> error

* 2022681: error en unit package

* 2021422: reset & error

* 2020618: tex( limit(...,plus) ) wrong

* 2018722: error message typo in eliminate

* 2010843: diff of Taylor poly

* 2014436: at with empty list / Fix

* 2013654: bfloat(NaN) => finite number

* 1995595: sign(max(7,x) - max(6,x)) --> error

* 1981626: a misprint about radcan() in the manual

* 1981518: Calling desolve inside a "for...do" makes it loop endlessly

* 1980715: wrong radcan-simplification

* 1955976: opproperties

* 1954846: bessel_i(1/2,0) -> divide by zero error

* 1951964: Describe (? xxx) depends on ibase

* 1951128: curious warning from allroots(x=0)

* 1947806: ilt documented variable order incorrect

* 1943756: ezgcd() never returns

* 1920177: Problems with the bessel functions

* 1847543: Integration problem of a special periodic function

* 1811968: echelon error

* 1755550: trig inconsistent about periodicity rules

* 1668087: integrate(1/cosh(x/R)^4,x,-inf,inf) = 0

* 1663537: newton & listconstvars

* 1605201: wronskian documentation + FIX

* 1553866: %piargs inconsistent behavior

* 1358239: taylor(exp(sqrt(log(x)*log(log(x))))@inf > stack overflow

* 1384806: factor((x^15+1)^15-(x^15-1)^15) wrong

* 1309432: integrate(1/cosh(a*x)^2,x,-inf,inf)

* 903190: sin(%pi+%pi*x) doesn't simplify

* 679435: local(func) should be emphasised in the documentation

* 580721: trigexpand bug

* unnumbered: restore behavior of definite products

* unnumbered: handle MTIMES and MNCTIMES correctly in tex2ooo