Steven Bamford bamford
bamford
/ gmm_tests.ipynb
Created
January 28, 2021 09:38
Testing that the likelihood of a GMM doesn't depend on the number of components
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bamford
/ trello_json_to_toggl_csv.ipynb
Created
January 4, 2021 10:21
Convert a Trello JSON export into a CSV file ready for importing into Toggl Plan
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bamford
/ sersic_profit_astropy_comparison.ipynb
Created
April 22, 2020 16:18
Comparing Sérsic profiles by astropy and profit
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bamford
/ gillis12.ipynb
Created
November 29, 2019 13:07
Reproducing preprocessing from Gillis (2012, Journal of Machine Learning Research, 13, 3349
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bamford
/ valid_function.py
Created
October 16, 2019 12:47
Test whether a given function is a valid w(z)
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| from sympy import Symbol, sympify | |
| def test(w): | |
| """Test if w is valid | |
| Argument w should be a string expression containing the symbol z. | |
| Returns True if w is real and positive, for all real and positive z, otherwise False. | |
| Example: |
bamford
/ sersicint.py
Created
July 29, 2019 10:42
Python functions to calculate the integral of a Sérsic profile
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| # Functions to calculate the integral of a Sérsic profile | |
| # Sérsic profiles may be defined in various ways. | |
| # Make sure you are using the correct quantities (e.g. not I0, mu_e, etc.) | |
| # Ie : Intensity at the effective radius | |
| # re : effective radius | |
| # n : sersic index | |
| # r : radius in same units as re | |
| # Equations are taken from Graham and Driver (2005): |