• # Stavros Macrakis created ticket #3319

carg(%i),numer => 0.5*%pi

• # Stavros Macrakis created ticket #3317

How does solve treat (-1)^(1/3)?

• # Stavros Macrakis posted a comment on ticket #3068

More, simpler, examples: taylor(rat(1/z+1),z,0,1) => unfamiliar singularity error...

• # Stavros Macrakis created ticket #3229

Push fails with hasharray which is also a defined var

• # Stavros Macrakis posted a comment on ticket #3156

The inconsistency has nothing to do with radcan. As Dodier notes above, it is the...

• # Stavros Macrakis modified a comment on ticket #3156

This is working as intended, as Fateman has explained many times. And indeed it is...

• # Stavros Macrakis posted a comment on ticket #3156

This is working as intended, as Fateman has explained many times.

• # Stavros Macrakis posted a comment on ticket #3223

By the way, ev(...,eq,radcan) is tempting fate because of the idiosyncracies of ev...

• # Stavros Macrakis created ticket #3226

assume of sets and lists

• # Stavros Macrakis posted a comment on ticket #3223

This isn't related to nested roots in particular. It has to do with radcan treating...

• # Stavros Macrakis posted a comment on ticket #3224

The nested root is a red herring. Here is a simpler case that core dumps: radcan(sqrt(-1/(1+%i)))...

• # Stavros Macrakis posted a comment on ticket #3224

Though radcan doesn't perform any root denesting, no Maxima function should ever...

• # Stavros Macrakis created ticket #3220

create_list doesn't bind variables properly

• # Stavros Macrakis created ticket #3191

parsing problem: thru 3 for i in [a,b]

• # Stavros Macrakis posted a comment on ticket #3190

Actually, the speedup is much smaller in the general case: fpprec:200000\$ b11:1.0b0+1.0b-199999\$...

• # Stavros Macrakis created ticket #3190

round/floor/ceiling slow for hi-precision bfloats

• # Stavros Macrakis created ticket #3189

-1/taylor(x,x,0,1) => 0

• # Stavros Macrakis created ticket #3185

Error in sum with non-false modulus

• # Stavros Macrakis posted a comment on ticket #3179

Same for cabs(abs(XX))

• # Stavros Macrakis created ticket #3179

rectform(abs(XX)) should not assume that XX is real

• # Stavros Macrakis created ticket #3178

Simplify sqrt(2*x^2) with domain:complex

• # Stavros Macrakis posted a comment on ticket #3172

local does not work for "assume" variables, because assume maintains a global database....

• # Stavros Macrakis posted a comment on ticket #3164

The different behavior based on input file name is actually described in manual section...

• # Stavros Macrakis created ticket #3139

forget doesn't check argument structure

• # Stavros Macrakis created ticket #3138

forget doesn't handle facts created with declare

• # Stavros Macrakis modified ticket #3121

gcfactor not idempotent

• # Stavros Macrakis created ticket #3121

gcfactor not idempotent

• # Stavros Macrakis posted a comment on ticket #134

This should be under flag control. What about (a+b%i)^n (integer n other than -1)?...

• # Stavros Macrakis modified ticket #3103

limit of li[..](...) with numer:true infinite recursion

• # Stavros Macrakis posted a comment on ticket #3103

Yes, this appears to be a limit bug. This does not crash Maxima; it causes a bind...

• # Stavros Macrakis created ticket #3102

find_root(x,x,-1e300,1e300) => overflow

• # Stavros Macrakis posted a comment on ticket #3099

READ-DEFAULT-FLOAT-FORMAT => single-float setting it to double-float fixes the p...

• # Stavros Macrakis posted a comment on ticket #3099

Re-tested on Maxima 5.37post, SBCL 1.2.11, same result. SBCL 1.2.11 is the most up-to-date...

• # Stavros Macrakis created ticket #3099

Float read is single-precision, though float() is double-precision

• # Stavros Macrakis posted a comment on ticket #3087

To elaborate a bit on: "the perverse way logical operators are evaluated." Arithmetic...

• # Stavros Macrakis posted a comment on ticket #3096

tested in 5.36/sbcl 1.2.10 and 5.37/sbcl 1.2.7

• # Stavros Macrakis created ticket #3096

ratsimp returns unsimplified result

• # Stavros Macrakis created ticket #3095

grobner_basis printing of "..." is problematic

• # Stavros Macrakis posted a comment on ticket #3093

I first encountered this problem when I applied radcan to the result of to_poly_solve....

• # Stavros Macrakis posted a comment on ticket #3093

Sorry, an extra set of parens are needed for this to parse properly (precedences...

• # Stavros Macrakis created ticket #3093

radcan on express with %and very slow

• # Stavros Macrakis created ticket #3088

string(a %or b) => ?%or(a,b)

• # Stavros Macrakis created ticket #3087

Multiple evaluation of logical expressions

• # Stavros Macrakis created ticket #3086

is(-x <= abs(x)) => unknown !!

• # Stavros Macrakis created ticket #3076

defint 1/log(x) from 2 to sqrt(t) gives error

• # Stavros Macrakis created ticket #3071

limit of expressions with signum not very powerful

• # Stavros Macrakis created ticket #3068

taylor of CRE fails

• # Stavros Macrakis created ticket #3067

Simple limit fails: x^a*(1-x)^b, x->0 (a < -1)

• # Stavros Macrakis posted a comment on ticket #3064

This is Maxima 5.36.1 SBCL 1.2.10.

• # Stavros Macrakis created ticket #3064

Some simplifications of sums are done by evaluation, not simplification

• # Stavros Macrakis posted a comment on ticket #3063

Actually, the "." doesn't seem to be required in these examples at all. 2*y+x+1 =>...

• # Stavros Macrakis created ticket #3063

Too many parens in (- 2 (y.x)) + y + 1

• # Stavros Macrakis created ticket #3062

pochhammer displays as ((x)[n] instead of (x)[n]

• # Stavros Macrakis created ticket #3057

kill(3) => no error

• # Stavros Macrakis created ticket #3056

exp(1.0b19) => ERR 1.0b19 doesn't have enough precision to compute its integer part

• # Stavros Macrakis created ticket #3049

set should act like list

• # Stavros Macrakis created ticket #3041

limit(inf*(zeroa+inf)) => und, should be inf

• # Stavros Macrakis created ticket #3038

Update doc for rest

• # Stavros Macrakis created ticket #3034

display_format_internal doesn't work

• # Stavros Macrakis created ticket #3023

divide(1,0) gives Lisp error

• # Stavros Macrakis created ticket #2987

Some divergent integrals give error, some don't

• # Stavros Macrakis posted a comment on ticket #2943

Please send examples using a text format. Sending a png screenshot means that we...

• # Stavros Macrakis modified ticket #2954

solve( (sin(y+x)-1)/sin(y+x)=1 ,y) returns []

• # Stavros Macrakis posted a comment on ticket #2954

Well, this equation in fact has no solutions. It is equivalent to: sin(y+x)-1 = sin(y+x)...

• # Stavros Macrakis modified ticket #2951

diff Wrong result!

• # Stavros Macrakis posted a comment on ticket #2951

The answer is correct. log(A*x) = log(A) + log (x) and diff(log(A),x) = 0 so diff(log(A*x),x)...

• # Stavros Macrakis created ticket #2952

Inconsistent handling of symbolic/float equality test

• # Stavros Macrakis created ticket #2949

freeof(integrate) wrong

• # Stavros Macrakis created ticket #2876

can't parse a++b++c with infix ++ declared lassociative

• # Stavros Macrakis posted a comment on ticket #2865

Thank you for reporting this bug. More generally, it turns out that for any name...

• # Stavros Macrakis posted a comment on discussion Open Discussion

The plotting functions (by design) only plot real functions. The integrate function...

• # Stavros Macrakis modified a comment on ticket #2861

log(abs(x)) is not correct in general integrate(1/(x+%i),x) currently correctly gives...

• # Stavros Macrakis posted a comment on ticket #2861

log(abs(x)) is not correct in general integrate(1/(x+%i),x) currently correctly gives...

• # Stavros Macrakis modified a comment on ticket #2875

Thanks for your report. In Maxima, writing a number with a decimal point (0.4, etc.)...

• # Stavros Macrakis modified ticket #2875

function defined via diff has minimal numerical inaccuracy

• # Stavros Macrakis posted a comment on ticket #2875

Thanks for your report. In Maxima, writing a number with a decimal point (0.4, etc.)...

• # Stavros Macrakis created ticket #2863

divide with fractional powers and algebraic:true -- never returns

• # Stavros Macrakis posted a comment on ticket #2849

In fact, single-argument limit isn't doing much at all with ind: limit(ind+1) =>...

• # Stavros Macrakis created ticket #2849

limit(ind*XXX) and limit(ind/XXX) gives errors rather than results

• # Stavros Macrakis created ticket #2840

makelist with numerical range doesn't work with simp:false

• # Stavros Macrakis created ticket #2839

gcfactor(9) => 9

• # Stavros Macrakis created ticket #2828

sometimes gfactor(gfactor()) needed for full factorization

• # Stavros Macrakis created ticket #2827

'realpart should have more simplifications

• # Stavros Macrakis created ticket #2826

zhegalkin_form messes up subscripts

• # Stavros Macrakis posted a comment on ticket #2821

Yes, the algorithm is very slow and should be improved, but I don't think it's buggy....

• # Stavros Macrakis modified ticket #2824

zero power zero

• # Stavros Macrakis posted a comment on ticket #2824

This is a long-standing disagreement in mathematics. Closing this as a non-bug. If...

• # Stavros Macrakis created ticket #2784

Ceiling gives error, without even an error message

• # Stavros Macrakis created ticket #2782

realroots(x*y) internal error

Comparison

• # Stavros Macrakis created ticket #2780

algsys doesn't use polydecomp

• # Stavros Macrakis created ticket #2779

%solve(sin(x)=tan(x),x) fails

• # Stavros Macrakis modified a wiki page

Proposed work areas

• # Stavros Macrakis modified a wiki page

Orthogonality

1 >