CVS log for OpenXM/src/asir-contrib/packages/src/tk_pf2.rr

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Revision 1.11 / (download) - annotate - [select for diffs], Tue Aug 31 06:37:13 2010 UTC (13 years, 9 months ago) by takayama
Branch: MAIN
CVS Tags: RELEASE_1_3_1_13b, HEAD
Changes since 1.10: +7 -3 lines
Diff to previous 1.10 (colored)

mtg.plot3d and tk_pfn.graph accept the option fit=1.
If it is set to one, (max+min)/2 is moved to the center of the z-axis.

Revision 1.10 / (download) - annotate - [select for diffs], Sun Aug 29 08:40:40 2010 UTC (13 years, 9 months ago) by takayama
Branch: MAIN
Changes since 1.9: +15 -5 lines
Diff to previous 1.9 (colored)

Bug fix of mtg.genGtable().
Bug is found by using the code testgraph2() in tk_pfn.rr

Revision 1.9 / (download) - annotate - [select for diffs], Mon Aug 23 22:19:21 2010 UTC (13 years, 9 months ago) by takayama
Branch: MAIN
Changes since 1.8: +11 -1 lines
Diff to previous 1.8 (colored)

tk_pfn.graph() is a grapher of solutions of Pfaffian equations in x and y (fixed).
tk_pfn.graph(Pf,Dom,Iv,Step)  Pf=[P_1,P_2] where dF/dx=P_1 F, dF/dy=P_2 F
Dom=[[xmin,xmax],[ymin,ymax]],  Iv is the initial value of F at [xmin,ymin], Step is a step size.
An example can be found in tk_pfn.testgraph1().

Revision 1.8 / (download) - annotate - [select for diffs], Mon Aug 23 08:08:38 2010 UTC (13 years, 9 months ago) by takayama
Branch: MAIN
Changes since 1.7: +74 -2 lines
Diff to previous 1.7 (colored)

tk_pf2.test6n(10) is used to test a new implementation of setGtable (genGtable).
tk_bess2.test1() is used to test functions for Bessel functions of two variables.
tk_pfn.graph has not yet been tested.

Revision 1.7 / (download) - annotate - [select for diffs], Sat Jan 30 04:24:09 2010 UTC (14 years, 4 months ago) by takayama
Branch: MAIN
CVS Tags: R_1_3_1-2
Changes since 1.6: +1 -51 lines
Diff to previous 1.6 (colored)

The module tk_rk is moved to taka_runge_kutta.rr
Added tk_rk.taka_runge_kutta_4a_linear for linear equations.

Revision 1.6 / (download) - annotate - [select for diffs], Wed Dec 9 07:22:54 2009 UTC (14 years, 5 months ago) by takayama
Branch: MAIN
Changes since 1.5: +67 -12 lines
Diff to previous 1.5 (colored)

Fixed a bug of taka_runge_kutta_4a when the termination time < the starting time.
rk2 becomes to work when tt < st.
setGtable is still buggy in this case.

Revision 1.5 / (download) - annotate - [select for diffs], Sat Nov 21 06:15:26 2009 UTC (14 years, 6 months ago) by takayama
Branch: MAIN
Changes since 1.4: +5 -4 lines
Diff to previous 1.4 (colored)

plot_auto accepts the options color and plotover.
Ex. taka_plot_auto(T | color=0xff0000, plotover=1);

Revision 1.4 / (download) - annotate - [select for diffs], Fri Nov 20 11:28:13 2009 UTC (14 years, 6 months ago) by takayama
Branch: MAIN
Changes since 1.3: +2 -2 lines
Diff to previous 1.3 (colored)

Fixed a typo.

Revision 1.3 / (download) - annotate - [select for diffs], Fri Nov 20 02:42:21 2009 UTC (14 years, 6 months ago) by takayama
Branch: MAIN
Changes since 1.2: +9 -3 lines
Diff to previous 1.2 (colored)

tk_pf2.rk2 accepts two options  mesh and eps.
See comments in the source code to know what they are.

Revision 1.2 / (download) - annotate - [select for diffs], Thu Nov 19 22:40:34 2009 UTC (14 years, 6 months ago) by takayama
Branch: MAIN
Changes since 1.1: +1 -0 lines
Diff to previous 1.1 (colored)

I forgot the tag OpenXM

Revision 1.1 / (download) - annotate - [select for diffs], Thu Nov 19 22:39:54 2009 UTC (14 years, 6 months ago) by takayama
Branch: MAIN

tk_pf2.rr is a package for numerical analysis of Pfaffian system dF=AFdx+BFdy.
tk_pf2.rk2 and tk_pf2.rk2all are main functions to solve it numerically.
See functions test*() as to examples of using these functions.

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