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Andrew Nelson andyfaff

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andyfaff / gist:24c96a3d5dbc7b0272b2
Last active August 29, 2015 14:06
scipy.optimize benchmarks for global optimizers.
Based on http://infinity77.net/global_optimization/index.html, and others.
http://infinity77.net/global_optimization/index.html
https://github.com/andyfaff/scipy/tree/go_benchmark
python -u benchmark_global_optimizers.py
success % nfev
Problem basin de anneal basin de anneal
AMGM 100.0 100.0 100.0 1111 995 4231
MACHEPS = np.finfo(np.float64).eps
def estimate_mrqcof(self, xk, *args):
'''
Estimates the gradient and hessian matrix for the fit
(differential_evolution can't do this).
'''
temp_parameters = np.copy(self.parameters)
derivmatrix = np.zeros((len(xk), self.numpoints), np.float64)
@andyfaff
andyfaff / gist:22eb2cff2263e83453ee
Created August 17, 2015 06:45
McStas build log
=== Picked flavor: mcstas
/Users/anz/Documents/Andy/programming/McCode-master/mcstas -> /Users/anz/Documents/Andy/programming/McCode-master/dist
=== OSXpkg ===
mkdist: simple_cpack_file OUT=/Users/anz/Documents/Andy/programming/McCode-master/dist/mcstas-OSXpkg-2.0-mac_maverics.pkg GEN=PackageMaker HINT=
mkdist: prepare_cpack: cmake -Denable_mcstas=1 -DCMAKE_INSTALL_PREFIX=/usr/local -DNO_ALTERNATIVES=0 -DCMAKE_TOOLCHAIN_FILE=/Users/anz/Documents/Andy/programming/McCode-master/cmake/toolchains/mac_maverics.cmake .
-- The C compiler identification is Clang 6.0.0
-- Check for working C compiler: /usr/bin/cc
@andyfaff
andyfaff / emcee_line.ipynb
Created September 4, 2015 09:15
emcee in lmfit
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@andyfaff
andyfaff / lmfit_model_selection.ipynb
Created September 23, 2015 06:42
model selection with lmfit
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@andyfaff
andyfaff / gist:3af1f722b0032edef6e2
Created October 6, 2015 20:06
profiling asteval initiation
>>> %load_ext line_profiler
>>> from lmfit import Parameters,Parameter
>>> from lmfit.asteval import Interpreter
>>> %lprun -f Interpreter.__init__ -f Parameters.__init__ Parameters()
Timer unit: 1e-06 s
Total time: 0.005639 s
File: /Users/anz/miniconda3/envs/dev3/lib/python3.4/site-packages/lmfit-0.9.1_17_g4a9b540-py3.4.egg/lmfit/asteval.py
Function: __init__ at line 72
@andyfaff
andyfaff / fixing_sigma.ipynb
Created January 27, 2016 05:05
fixing_sigma
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@andyfaff
andyfaff / gist:9a7930f3d93a99f478cdadae4d1bb3b2
Created April 1, 2016 04:35
scipy.stats sampling from arbitrary distribution
import numpy as np
import scipy.interpolate as interpolate
from scipy.integrate import simps
from scipy.stats import rv_continuous
class arbitrary(rv_continuous):
def __init__(self, hist, bin_edges, xtol=1e-14, seed=None):
_hist = np.array(hist, float)
_bin_edges = np.asfarray(bin_edges)
if _bin_edges.size - 1 != hist.size:
@andyfaff
andyfaff / emcee_line_example.ipynb
Created November 4, 2016 01:37
lmfit, emcee, line fit example
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Building, see build.log...
Build OK
============================= test session starts ==============================
platform darwin -- Python 3.6.1, pytest-3.1.3, py-1.4.34, pluggy-0.4.0
rootdir: /Users/anz/Documents/Andy/programming/scipy, inifile: pytest.ini
collected 23150 items / 2 skipped
scipy/_lib/tests/test__gcutils.py ......
scipy/_lib/tests/test__threadsafety.py ..
scipy/_lib/tests/test__util.py ..