Wirawan Purwanto
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42fdcc5253
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* Added new module wpylib.math.random and its submodule (rng_lcg48).
The LCG48 generator is primarily for testing algorithms involving random
numbers.
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12 years ago |
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Wirawan Purwanto
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e485cabbe8
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* wpylib.math.fitting.fit_func: Added optional Funct_hook argument to
be called (for debugging purposes) every time "the" Funct function
is called.
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12 years ago |
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Wirawan Purwanto
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cdad14e034
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* Added BFGS minimization.
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12 years ago |
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Wirawan Purwanto
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9de8407dd9
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* Added Test_3().
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12 years ago |
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Wirawan Purwanto
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a0eb82ed2b
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* Mute debug printing.
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12 years ago |
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Wirawan Purwanto
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5b213b0ee7
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* Little syntax optimization.
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12 years ago |
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Wirawan Purwanto
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414643ecde
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* Added testcase wpylib.math.fitting.linear.Test_2() against numpy.polyfit().
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12 years ago |
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Wirawan Purwanto
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cb8124f699
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* Provide uncertainty of both a and b fit parameters.
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12 years ago |
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Wirawan Purwanto
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87763d6e57
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* wpylib.math.fitting.linear: for linear fit methods.
First method: linregr2d_SZ() from Shiwei's email in 2006.
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12 years ago |
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Wirawan Purwanto
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908a4e0682
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* Rebase fit_result on result_base.
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12 years ago |
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Wirawan Purwanto
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348c204699
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* Change wpylib.math.fitting module from a file into a subdirectory.
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12 years ago |
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Wirawan Purwanto
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332d9ae240
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* wpylib.math: added choose() function.
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13 years ago |
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Wirawan Purwanto
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17d242213d
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* 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.
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13 years ago |
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Wirawan Purwanto
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050e2414ef
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* Added faster LDdec1 for 1-based indexing.
Tested through N=1000.
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13 years ago |
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Wirawan Purwanto
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d04ea8cbea
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* Completing jskip formula for LD that is analogous to the jskip formula for
UD matrix format.
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13 years ago |
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Wirawan Purwanto
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93a89d2606
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* Created array indexer for "upper diagonal" indexing mode.
Apparently I was able to create the non-iterative version of UDdec (1-based
indices).
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13 years ago |
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Wirawan Purwanto
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961a802326
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* Keep a copy of my symmetric array indexer worksheet in GIT.
Original signature:
-rw-r--r-- 1 wirawan0 wirawan0 1380 2010-04-27 15:55 symmetrix-array-index.py
b873ece4610483b3cd5290c6ddbc7426 symmetrix-array-index.py
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13 years ago |
wirawan
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7017fdc6af
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* Committing all dirty work to CVS. We are migrating to GIT.
Beware: changes in this commit may or may not work properly.
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13 years ago |
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wirawan
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47f6bced79
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* wpylib.math.linalg: Added initial module for linear-algebra convenience
functions, objects, and submodules.
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14 years ago |
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wirawan
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f42f2d82fa
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* __imul__ and __idiv__ should return the lvalue object itself.
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14 years ago |
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wirawan
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f1dee72d09
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* Reset fitting debug level to 0.
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14 years ago |
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wirawan
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6181d5588d
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* The sign of the scalar prefactor should not enter the uncertainty
(err) field!
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14 years ago |
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wirawan
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dbd36e0f1f
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* Added division of errorbar by a scalar.
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14 years ago |
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wirawan
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bceef1e601
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* Adding more methods for fitting: fmin (simplex minimization).
I still have hard time making fitting routine work for me.
But at least this one works for simple SHO fitting.
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14 years ago |
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wirawan
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c0f67e9992
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* Ignore compiled modules.
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14 years ago |
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wirawan
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428b481b87
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* Added initial support for errorbar object, which includes
compression-to-string (ad hoc implementation is written in C++ with the
help of my cp.inc library, unfortunately).
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14 years ago |
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wirawan
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9eb177bc27
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* Adding wpylib.math.stats submodule which contains commonly used statistical
analysis tools.
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14 years ago |
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wirawan
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02776c1e6a
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* Moving pyqmc.stats.avg to wpylib.math.stats.avg .
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14 years ago |
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wirawan
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379e83fdec
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* Added epsilon() function to find out the granuality of a given floating
point type.
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15 years ago |
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wirawan
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75d4c2240c
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* Function ztol: for zeroing out array elements below certain tolerance.
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15 years ago |
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wirawan
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adbe499db8
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* Fitting seemed to work, but still not perfectly. Do not use in production
yet.
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15 years ago |
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wirawan
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733c518735
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* Added: density refitter onto a different FFT grid and/or supercell size
(expansion to a larger supercell).
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15 years ago |
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wirawan
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9de91dcc59
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* Don't save python compiled modules.
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15 years ago |
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wirawan
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605bfb16a2
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* Simplified spline interpolation tools for 2-D curves (single curve or
piecewise curve).
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15 years ago |
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wirawan
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9e62d32873
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* Draft of simple nonlinear fitting module for my use. Still not finished yet.
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15 years ago |
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wirawan
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86c7558758
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* Subdomain "wpylib.math" contains my frequently used mathematical tools.
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15 years ago |
