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As a user, I would like to input polynomial camera parameters in the form of two vectors (u,v) describing an arbitrary-order forward polynomial projection. I would also like to be able to input the in…
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I think it's time that we put down a design for a type-based DSL which can specify ODEs, higher order ODEs, SDEs, regular jumps, DAEs, DDEs, PDEs, and all combinations. I think we actually get a DSL f…
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A user was trying to run some WFPC2 images through astrodrizzle and got the message below. They complained that the syntax in the error message was wrong (missing quotes in the updatewcs call). The me…
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(Moved from #6103:) For some reason when fitting 1D polynomials with only the constant (y intercept) term as a free parameter, the resulting 0-coefficient is offset from its correct value by the mean …
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Hi!
I want to install astropy with the command
`pip install astropy`
in an administrative cmd. I then get this error:
```
building 'astropy._compiler' extension
Traceback (most recent call las…
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When I try to launch toxygen (with installed pyqt5, numpy, pyaudio through my package manager) I'm receiving the error:
```
pkg_resources.DistributionNotFound: The '' distribution was not found and …
ghost updated
7 years ago
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Dear all
I am fitting an EDS spectra with 2048 data point with an ``order=2`` polynomial background and 9 x-ray lines.
``model.dof.data[0] = 9`` after ``model.fit()`` and after an additional ``mod…
ialxn updated
7 years ago
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So that output of `dodgr ` can be used directly in `osmprob `. cc @karpfen
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Need to be more careful about how I talk about residuals. From Matt:
When comparing fits (polynomial vs affine) compare residuals on held out data otherwise polynomial (more params) always does better…
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Specifically, when I compare
```
gfortran -O3 perf.f90 && ./a.out
gfortran -O3 -march=native -ffast-math -funroll-loops perf.f90 && ./a.out
```
on my machine, then I get 2x speedup on the `iterat…