a33ad3c766
* Introduced a much faster way (and simpler) to compute jackknife averages.
11 years ago
4e2b2c66c2
* Added wpylib.math.stats.jackknife1, initial implementation of delete-one
...
jackknife resampling method.
This module also contains a hack for weighted average
(warning: the theory is not established yet, at least I have not seen
it).
11 years ago
f0ba6f4068
* wpylib.math: Added complex_polar().
11 years ago
869aa91109
* fit_func(): Allow non-(numpy.ndarray) args for x, y, dy.
...
* Documentation update.
11 years ago
579be3e18a
* errorbar: Added "lazy" string evaluation to speed up errorbar algebra.
11 years ago
ed1242dc66
* Added "lazy string printout" which will speed up errorbar algebra--i.e.
...
we only need to evaluate the string representation when
the string printout isrequired.
11 years ago
c8aad2e2f8
* Added facility for smoothed approximating spline instead of "exact"
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interpolation.
11 years ago
06fa307e84
* spline_2d: Use public scipy API functions.
11 years ago
564d1f4364
* wpylib.math.fitting.fit_func: Added support for weight (or y uncertainty).
...
* For `leastsq' fit method, also introduced 'xerr' output (in outfmt=0)
as the error estimate of the fitted parameters.
12 years ago
37b0939671
* Documentation clarification.
12 years ago
1421cf3bc5
* wpylib.math.fitting.fit_func: Allow Guess argument to override
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machine-generated guess.
* Add 'funcalls' data key to the leastsq complete output to conform to the
fmin-style output.
12 years ago
2907b2ca77
* Set lcg48 default seed_index for user's reference
12 years ago
42fdcc5253
* Added new module wpylib.math.random and its submodule (rng_lcg48).
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The LCG48 generator is primarily for testing algorithms involving random
numbers.
12 years ago
e485cabbe8
* wpylib.math.fitting.fit_func: Added optional Funct_hook argument to
...
be called (for debugging purposes) every time "the" Funct function
is called.
12 years ago
cdad14e034
* Added BFGS minimization.
12 years ago
9de8407dd9
* Added Test_3().
12 years ago
a0eb82ed2b
* Mute debug printing.
12 years ago
5b213b0ee7
* Little syntax optimization.
12 years ago
414643ecde
* Added testcase wpylib.math.fitting.linear.Test_2() against numpy.polyfit().
12 years ago
cb8124f699
* Provide uncertainty of both a and b fit parameters.
12 years ago
87763d6e57
* wpylib.math.fitting.linear: for linear fit methods.
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First method: linregr2d_SZ() from Shiwei's email in 2006.
12 years ago
908a4e0682
* Rebase fit_result on result_base.
12 years ago
348c204699
* Change wpylib.math.fitting module from a file into a subdirectory.
12 years ago
332d9ae240
* wpylib.math: added choose() function.
13 years ago
17d242213d
* Added some useful functions from my pw2g_bench_MnO.py scriptlet collection:
...
- wpylib.math.roundup()
- wpylib.shell_tools.dirname2()
* file_exists_nonempty() is moved to wpylib.shell_tools.
13 years ago
050e2414ef
* Added faster LDdec1 for 1-based indexing.
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Tested through N=1000.
13 years ago
d04ea8cbea
* Completing jskip formula for LD that is analogous to the jskip formula for
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UD matrix format.
13 years ago
93a89d2606
* Created array indexer for "upper diagonal" indexing mode.
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Apparently I was able to create the non-iterative version of UDdec (1-based
indices).
13 years ago
961a802326
* Keep a copy of my symmetric array indexer worksheet in GIT.
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Original signature:
-rw-r--r-- 1 wirawan0 wirawan0 1380 2010-04-27 15:55 symmetrix-array-index.py
b873ece4610483b3cd5290c6ddbc7426 symmetrix-array-index.py
13 years ago
7017fdc6af
* Committing all dirty work to CVS. We are migrating to GIT.
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Beware: changes in this commit may or may not work properly.
13 years ago
47f6bced79
* wpylib.math.linalg: Added initial module for linear-algebra convenience
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functions, objects, and submodules.
14 years ago
f42f2d82fa
* __imul__ and __idiv__ should return the lvalue object itself.
14 years ago
f1dee72d09
* Reset fitting debug level to 0.
14 years ago
6181d5588d
* The sign of the scalar prefactor should not enter the uncertainty
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(err) field!
14 years ago
dbd36e0f1f
* Added division of errorbar by a scalar.
14 years ago
bceef1e601
* Adding more methods for fitting: fmin (simplex minimization).
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I still have hard time making fitting routine work for me.
But at least this one works for simple SHO fitting.
14 years ago
c0f67e9992
* Ignore compiled modules.
14 years ago
428b481b87
* Added initial support for errorbar object, which includes
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compression-to-string (ad hoc implementation is written in C++ with the
help of my cp.inc library, unfortunately).
14 years ago
9eb177bc27
* Adding wpylib.math.stats submodule which contains commonly used statistical
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analysis tools.
14 years ago
02776c1e6a
* Moving pyqmc.stats.avg to wpylib.math.stats.avg .
14 years ago
379e83fdec
* Added epsilon() function to find out the granuality of a given floating
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point type.
14 years ago
75d4c2240c
* Function ztol: for zeroing out array elements below certain tolerance.
15 years ago
adbe499db8
* Fitting seemed to work, but still not perfectly. Do not use in production
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yet.
15 years ago
733c518735
* Added: density refitter onto a different FFT grid and/or supercell size
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(expansion to a larger supercell).
15 years ago
9de91dcc59
* Don't save python compiled modules.
15 years ago
605bfb16a2
* Simplified spline interpolation tools for 2-D curves (single curve or
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piecewise curve).
15 years ago
9e62d32873
* Draft of simple nonlinear fitting module for my use. Still not finished yet.
15 years ago
86c7558758
* Subdomain "wpylib.math" contains my frequently used mathematical tools.
15 years ago
Wirawan Purwanto
wirawan