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In this ticket, we equip the category of chain complexes with a method `homology` yielding the associated homology. The corresponding homology functor will use this method.
This happens in view of …
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At this stage, the conversion
```
sage: M = Manifold(2, 'M')
sage: M.diff_form_module(1)(1)
---------------------------------------------------------------------------
AttributeError …
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### Application Version
5.2
### Platform
Win 10
### Printer
Anycubic Mega
### Reproduction steps
Import the file and slice with PLA+ profile
### Actual results
Actual - Cura hangs then gives …
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On `ubuntu-jammy-standard` (https://github.com/sagemath/sage/runs/5962279659)
```
sage -t --random-seed=156404901056981760924144629149815074678 src/sage/tests/cmdline.py
[216 tests, 73.54 s]
--…
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Currently, the `abs` operator cannot be applied to scalar fields:
```
sage: M = Manifold(2, 'M', structure='topological')
sage: X. = M.chart()
sage: f = M.scalar_field({X: x*y}, name='f', latex_nam…
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Upgrading numpy to 1.10.1
source:
[http://downloads.sourceforge.net/project/numpy/NumPy/1.10.1/numpy-1.10.1.tar.gz](http://downloads.sourceforge.net/project/numpy/NumPy/1.10.1/numpy-1.10.1.tar.gz)
…
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This ticket is a duplicate of https://github.com/sagemath/sage-prod/issues/27658.
CC: @tscrim @egourgoulhon
Component: **geometry**
Keywords: **scalar_field, diff_form_module**
Reviewer: **Eric…
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Using Henson Wakeman ERPs
- One sample t-test cluster correct does not work
- Two sample t-test cluster correction does not work
(ANOVA is fine)
Also, the errors do not help. It would be better …
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In Sage 9.1, we have
```
sage: M = Manifold(2, 'M')
sage: X. = M.chart()
sage: f = X.function(x^2*y)
sage: f.diff(x)
2*x*y
sage: diff(f, x)
...
NotImplementedError:
```
Similarly, if one tries to a…