-
```
It seems to me that Integral(x, (x, 1, y)).atoms(Symbol) should return y
since the x values are dummy variables in this context.
An patch for discussion is committed to branch 1766 as commit 1823…
-
```
The following example illustrates the problem:
import numpy as np
import sympy
x = sympy.var('x')
y = x**2 + sympy.I*2
y_func = sympy.lambdify((x), y, "numpy")
a = np.arange(10)
res = y_func(a)
…
-
```
There are some issues with the singleton code which make it more
complicated, less efficient and less flexible than it could be:
* It's implemented as a metaclass, SingletonMeta, which does nothi…
rlamy updated
10 years ago
-
```
This equation:
x = Symbol('x', positive=True)
jdU = Symbol('jdU', positive=True)
EQN2 = 1 + (jdU-1)*x**2 - x**3/2 - jdU*x**4
symRoots2 = roots(EQN2,x,multiple=True)
print 'root =', symRoots2
g…
-
,,,not undersnd why u use object->isa ,,
if u want to check your own class , why not try like this,
base : NSObject
{
int type; // class type
}
xxx1 : base
{
JKArray array;
xxxx xx;
}
“…
-
A combination of events causes the following list of deps (non-core or upgrades) is pulled in on a standard perl 5.20 configuration:
```
Inline::C
File::ShareDir::Install
ExtUtils::MakeMaker 7.0 …
-
Some sort of comparison with other well-known JSON media types would really help me evaluate which of these I should use for a given service.
[HAL+JSON (Hypertext Application Language)](http://statel…
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```
Sorting can be done with real and imaginary numbers, but if the imaginary
portion is in a radical, the sort fails. Is there any remedy?
###
>>> sorted([3,sqrt(I)])
Traceback (most recent call las…
-
More detailed discussion can be found at the bottom of #7920.
This fails in 2.7 - 100% reproducible on my machine
``` bash
PYTHONHASHSEED=730299569 bin/test sympy/integrals/tests/test_meijerint.py -…
-
Is this something that should work or am I missing something:
```
(defn my-li [props s]
[:li s])
(defn my-list [props elems]
[:ul {:style {:background-color "red"}}
(seq elems)])
(defn ^:exp…