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Moving on from the mailing list, since now I stumbled upon an actual bug in Fricas. This is the diagnostic produced by `)compile`:
```
compiling local trunc_taylor_integral : (Expression Intege…
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This is a metaticket listing **existing** functions for which symbolic implementations are urgently needed because
* they exist in Sympy, Maxima, or Fricas symbolically, and might be returned as res…
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This ticket is mainly a playground for ideas (for now). Anyone: Feel free to take over... :)
I would like to see some way to work with exact arithmetic functions.
In particular when dealing with se…
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### Steps To Reproduce
a, b = var('a b')
integrate(cos(x)/(1 - (b^2)*(sin(x - a))^2)^(3/2), x)
### Expected Behavior
It should return
```
((2 - b^2)*sin(x) + b^2*sin(2*a - x) )/(2*(1 …
beew updated
8 months ago
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Hi,
I'm trying to compile open-axiom by LispWorks. Basically I modified `core.lisp.in` and related Makefiles (c.f. [1] for details) to support LispWorks. But then I met the following error message …
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See this example in Sage 9.4 or Sage 9.5.beta7:
```
sage: f(x) = (x + sin(3*x)) * exp(-3*x*I)
sage: h(x) = f(x) - f(x).expand()
sage: integral(h(x), (x, 0, 2*pi))
I*pi
```
The answer should be 0 (t…
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freebsd branch builds as of 2018/10/30, but many tests fail.
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This meta-ticket tracks efforts to replace pexpect interface calls with library calls, in order to minimize the usage of expect for time-critical code. Packages used by Sage where this seems possibl…
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I requested this feature firstly [here in the Mailing list](https://groups.google.com/forum/#!topic/sympy/X3h38SqQBCo) and [this Reddit post](https://www.reddit.com/r/Python/comments/92cehq/using_symp…
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Suppose there is a file `foo.input` with the following content.
```
foo:="bar";
```
Putting the variable assignment of` var`directly after the `systemCommand`, then it seems to be ignored.
```
(…