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4111dc2da75cde0cf90b20e1012ec54cb689c90c
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61 Commits

Author SHA1 Message Date
Wirawan Purwanto
4111dc2da7 * Moved Poly_base & friends to wpylib.math.fitting.funcs_poly. 2015-05-20 10:35:48 -04:00
Wirawan Purwanto
f9cdb33e32 * Added "LDC" layout (C row-major, lower diagonal storage). 
* Added reference mapping generator (and sample output for 5x5)
  for each layout.
 2015-05-14 16:07:16 -04:00
Wirawan Purwanto
b4883c4ca9 * Added shortcut to modified Gram Schmidt (modgs) -> wpylib.math.linalg.modgs. 2015-04-03 16:08:53 -04:00
Wirawan Purwanto
10047b26f9 * Module wpylib.math.linalg.gram_schmidt to orthonormalize a set of 
columns vectors.
 2015-04-01 15:46:48 -04:00
Wirawan Purwanto
8a5a11971f * Experimental support for BLAS for matrix multiplication. 
Not enabled by default, yet.
 2014-11-05 22:50:49 -05:00
Wirawan Purwanto
d841380864 * Added class wpylib.math.stats.avg.weight_stats for weighted statistical 
analysis.
 2014-09-04 17:44:50 -04:00
Wirawan Purwanto
597398a34b * Added missing function (rms). 2014-05-29 13:55:05 -04:00
Wirawan Purwanto
bb3db2667a * Module array_stat: Added study_sparsity() and print_histogram(), 
adapted from V2b_inspect research module.
 2014-04-17 16:42:36 -04:00
Wirawan Purwanto
aaa06dc531 * Added rdiff() function to calculate element-wise relative difference of 
two arrays.
 2014-04-17 13:33:59 -04:00
Wirawan Purwanto
a347ae6d47 * New module: wpylib.math.stats.array_stats, for studying statistics of 
an array (e.g., sparsity, difference, etc).
 2014-04-07 12:25:33 -04:00
Wirawan Purwanto
3b0a8af1aa * Added MathWarning for mathematics-related warning messages. 2014-03-28 14:29:10 -04:00
Wirawan Purwanto
04e78ade1d * Added extra debugging statements. 2014-02-24 16:06:40 -05:00
Wirawan Purwanto
b043fb3cdf * fit_func: Added support for lmfit-based minimization. 
Tested minimally in the Cr2_analysis_cbs.py workbench (routine:
  Test_MC_FPTZ_20140206).
 2014-02-07 18:25:22 -05:00
Wirawan Purwanto
a33ad3c766 * Introduced a much faster way (and simpler) to compute jackknife averages. 2013-12-11 16:25:29 -05:00
Wirawan Purwanto
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).
 2013-12-11 00:15:24 -05:00
Wirawan Purwanto
f0ba6f4068 * wpylib.math: Added complex_polar(). 2013-12-09 17:27:44 -05:00
Wirawan Purwanto
869aa91109 * fit_func(): Allow non-(numpy.ndarray) args for x, y, dy. 
* Documentation update.
 2013-10-17 13:49:50 -04:00
Wirawan Purwanto
579be3e18a * errorbar: Added "lazy" string evaluation to speed up errorbar algebra. 2013-10-02 15:32:46 -04:00
Wirawan Purwanto
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.
 2013-10-02 14:30:55 -04:00
Wirawan Purwanto
c8aad2e2f8 * Added facility for smoothed approximating spline instead of "exact" 
interpolation.
 2013-09-17 18:00:08 -04:00
Wirawan Purwanto
06fa307e84 * spline_2d: Use public scipy API functions. 2013-09-17 17:18:29 -04:00
Wirawan Purwanto
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.
 2013-08-19 15:43:49 -04:00
Wirawan Purwanto
37b0939671 * Documentation clarification. 2013-08-19 15:43:19 -04:00
Wirawan Purwanto
1421cf3bc5 * wpylib.math.fitting.fit_func: Allow Guess argument to override 
machine-generated guess.
* Add 'funcalls' data key to the leastsq complete output to conform to the
  fmin-style output.
 2013-08-19 10:50:54 -04:00
Wirawan Purwanto
2907b2ca77 * Set lcg48 default seed_index for user's reference 2013-08-19 10:11:09 -04:00
Wirawan Purwanto
42fdcc5253 * Added new module wpylib.math.random and its submodule (rng_lcg48). 
The LCG48 generator is primarily for testing algorithms involving random
  numbers.
 2013-08-14 15:29:26 -04:00
Wirawan Purwanto
e485cabbe8 * wpylib.math.fitting.fit_func: Added optional Funct_hook argument to 
be called (for debugging purposes) every time "the" Funct function
  is called.
 2013-08-13 01:05:38 -04:00
Wirawan Purwanto
cdad14e034 * Added BFGS minimization. 2013-08-09 16:51:38 -04:00
Wirawan Purwanto
9de8407dd9 * Added Test_3(). 2012-10-15 17:25:06 -04:00
Wirawan Purwanto
a0eb82ed2b * Mute debug printing. 2012-10-15 16:59:35 -04:00
Wirawan Purwanto
5b213b0ee7 * Little syntax optimization. 2012-10-15 16:45:37 -04:00
Wirawan Purwanto
414643ecde * Added testcase wpylib.math.fitting.linear.Test_2() against numpy.polyfit(). 2012-10-15 16:35:12 -04:00
Wirawan Purwanto
cb8124f699 * Provide uncertainty of both a and b fit parameters. 2012-10-15 16:12:37 -04:00
Wirawan Purwanto
87763d6e57 * wpylib.math.fitting.linear: for linear fit methods. 
First method: linregr2d_SZ() from Shiwei's email in 2006.
 2012-10-15 16:02:41 -04:00
Wirawan Purwanto
908a4e0682 * Rebase fit_result on result_base. 2012-10-15 16:01:46 -04:00
Wirawan Purwanto
348c204699 * Change wpylib.math.fitting module from a file into a subdirectory. 2012-10-15 15:16:02 -04:00
Wirawan Purwanto
332d9ae240 * wpylib.math: added choose() function. 2012-08-24 16:32:33 -04:00
Wirawan Purwanto
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.
 2012-07-25 09:40:37 -04:00
Wirawan Purwanto
050e2414ef * Added faster LDdec1 for 1-based indexing. 
Tested through N=1000.
 2012-01-26 10:46:55 -05:00
Wirawan Purwanto
d04ea8cbea * Completing jskip formula for LD that is analogous to the jskip formula for 
UD matrix format.
 2012-01-25 17:07:50 -05:00
Wirawan Purwanto
93a89d2606 * Created array indexer for "upper diagonal" indexing mode. 
Apparently I was able to create the non-iterative version of UDdec (1-based
  indices).
 2012-01-24 17:32:39 -05:00
Wirawan Purwanto
961a802326 * 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
 2012-01-24 17:28:10 -05:00
wirawan
7017fdc6af * Committing all dirty work to CVS. We are migrating to GIT. 
Beware: changes in this commit may or may not work properly.
 2011-10-06 19:15:05 +00:00
wirawan
47f6bced79 * wpylib.math.linalg: Added initial module for linear-algebra convenience 
functions, objects, and submodules.
 2011-07-14 19:00:59 +00:00
wirawan
f42f2d82fa * __imul__ and __idiv__ should return the lvalue object itself. 2011-04-05 19:20:55 +00:00
wirawan
f1dee72d09 * Reset fitting debug level to 0. 2011-04-05 19:20:01 +00:00
wirawan
6181d5588d * The sign of the scalar prefactor should not enter the uncertainty 
(err) field!
 2011-03-10 20:17:55 +00:00
wirawan
dbd36e0f1f * Added division of errorbar by a scalar. 2010-12-01 17:11:46 +00:00
wirawan
bceef1e601 * 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.
 2010-11-05 02:28:20 +00:00
wirawan
c0f67e9992 * Ignore compiled modules. 2010-10-25 14:43:17 +00:00