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From: Javed Alam <jalam@cc...>  20030919 22:17:49

Hi I ran the maxima versions(5.9.0) compiled with clisp(2.31) and gclisp(2.5.0) for exact same problems. The build_info for both is included. OS ENVIRONMENT: CYGWIN under WINXP CYGWIN { 2003/08/31 12:05:44 Starting cygwin install, version 2.340.2.5 } Here is what I am getting as output: MAXIMA version compiled with the clisp runs most of the problems but fails to produce results for 1. problems involving differentiation of functions 2. 2nd order nonhomogeneous ordinary differential equations. It works ok for 2nd order homogenous ordinary equations. Other than this everything else seems to work including plot2d and plot3d functions. I am including the screen output from both runs : CLISP run jalam@... ~ $ maxima i i i i i i i ooooo o ooooooo ooooo ooooo I I I I I I I 8 8 8 8 8 o 8 8 I \ `+' / I 8 8 8 8 8 8 \ `+' / 8 8 8 ooooo 8oooo `____' 8 8 8 8 8  8 o 8 8 o 8 8 + ooooo 8oooooo ooo8ooo ooooo 8 Copyright (c) Bruno Haible, Michael Stoll 1992, 1993 Copyright (c) Bruno Haible, Marcus Daniels 19941997 Copyright (c) Bruno Haible, Pierpaolo Bernardi, Sam Steingold 1998 Copyright (c) Bruno Haible, Sam Steingold 19992003 Maxima 5.9.0 http://maxima.sourceforge.net Distributed under the GNU Public License. See the file COPYING. Dedicated to the memory of William Schelter. This is a development version of Maxima. The function bug_report() provides bug reporting information. ;; Loading file /usr/local/share/maxima/5.9.0/share/maximainit.lisp ... ;; Loaded file /usr/local/share/maxima/5.9.0/share/maximainit.lisp (C1) build_info; (D1) BUILD_INFO (C2) build_info(); Maxima version: 5.9.0 Maxima build date: 6:33 9/12/2003 host type: i686pccygwin lispimplementationtype: CLISP lispimplementationversion: 2.31 (released 20030901) (built 3272325060) (memo ry 3272351601) (D2) (C3) 2 + 2; (D3) 4 (C4) integrate(x^2,x); 3 x (D4)  3 (C5) integrate(x^3,x,0,1); 1 (D5)  4 (C6) 'diff(x,t,2)=0; 2 d x (D6)  = 0 2 dt (C7) ode2(d6,x,t); (D7) x = %K2 t + %K1 (C8) 'diff(x,t,2) + a*'diff(x,t) + b*x=0; 2 d x dx (D8)  + a  + b x = 0 2 dt dt (C9) ode2(d8,x,t); 2 Is 4 b  a positive, negative, or zero? positive; a t   2 2 2 SQRT(4 b  a ) t SQRT(4 b  a ) t (D9) x = %E (%K1 SIN() + %K2 COS()) 2 2 (C10) solve(x^2 3*x +2=0,x); (D10) [x = 1, x = 2] (C11) diff(x,x); (D11) 1 (C12) diff(x^2,x); d 2 (D12)  (x ) dx (C13) 'diff(x,t,2) +a*'diff(x,t) + b*x =d*sin(e*t); 2 d x dx (D13)  + a  + b x = d SIN(e t) 2 dt dt (C14) ode2(d13,x,t); 2 Is 4 b  a positive, negative, or zero? positive; a t   2 2 SQRT(4 b  a ) t (D14) x = %E (d SIN() 2 / 2 2 [ 2 e t + SQRT(4 b  a ) t SQRT(4 b  a ) t  2 e t I (SIN()  SIN()) ] 2 2 / a t 2   2 SQRT(4 b  a ) t d 2 SQRT(4 b  a ) t /(2 COS() ( (%E SIN())) 2 dt 2 a t 2   2 SQRT(4 b  a ) t d 2 SQRT(4 b  a ) t  2 SIN() ( (%E COS()))) dt 2 dt 2 2 / 2 SQRT(4 b  a ) t [ 2 e t + SQRT(4 b  a ) t + d COS() I (COS() 2 ] 2 / 2 2 SQRT(4 b  a ) t  2 e t SQRT(4 b  a ) t  COS())/(2 COS() 2 2 a t   2 2 d 2 SQRT(4 b  a ) t SQRT(4 b  a ) t ( (%E SIN()))  2 SIN() dt 2 2 a t   2 d 2 SQRT(4 b  a ) t ( (%E COS()))) dt) dt 2 (C15)   2 2 2 SQRT(4 b  a ) t SQRT(4 b  a ) t + %E (%K1 SIN() + %K2 COS()) 2 2 (C15) GCLISP RUN for the sake of comparison jalam@... ~ jalam@... /tmp/maxima/lib/maxima/5.9.0/binarygcl $ ./maxima eval "(user::run)" GCL (GNU Common Lisp) Version(2.5.0) Thu Jan 30 02:37:51 CST 2003 Licensed under GNU Library General Public License Contains Enhancements by W. Schelter Use (help) to get some basic information on how to use GCL. Maxima 5.9.0 http://maxima.sourceforge.net Distributed under the GNU Public License. See the file COPYING. Dedicated to the memory of William Schelter. This is a development version of Maxima. The function bug_report() provides bug reporting information. (C1) build_info; (D1) BUILD_INFO (C2) build_info(); Maxima version: 5.9.0 Maxima build date: 19:10 2/9/2003 host type: i686pcmingw32 lispimplementationtype: Kyoto Common Lisp lispimplementationversion: GCL25.0 (D2) (C3) 2 + 2; (D3) 4 (C4) integrate (x^2,x); 3 x (D4)  3 (C5) integrate(x^3,x,0,1); 1 (D5)  4 (C6) 'diff(x,t,2)=0; 2 d x (D6)  = 0 2 dt (C7) ode2(d6,x,t); (D7) x = %K2 t + %K1 (C8) 'diff(x,t,2) + a*'diff(x,t) + b*x=0; 2 d x dx (D8)  + a  + b x = 0 2 dt dt (C9) ode2(d8,x,t); 2 Is 4 b  a positive, negative, or zero? positive; a t   2 2 2 SQRT(4 b  a ) t SQRT(4 b  a ) t (D9) x = %E (%K1 SIN() + %K2 COS()) 2 2 (C10) solve(x^2  3*x +2=0,x); (D10) [x = 1, x = 2] (C11) diff(x,x); (D11) 1 (C12) diff(x^2,x); (D12) 2 x (C13) 'diff(x,t,2) + a*'diff(x,t) + b*x = d*sin(e*t); 2 d x dx (D13)  + a  + b x = d SIN(e t) 2 dt dt (C14) ode2(d13,x,t); 2 Is 4 b  a positive, negative, or zero? positive; a t   2 2 2 SQRT(4 b  a ) t SQRT(4 b  a ) t (D14) x = %E (%K1 SIN() + %K2 COS()) 2 2 2 (d e  b d) SIN(e t) + a d e COS(e t)   4 2 2 2 e + (a  2 b) e + b (C15) This shows that it could be a very small problem in clisp compilation of maxima on winxp under cygwin. Any suggestion will be very helpful. Thanks regards javed James Amundson wrote: >On Fri, 20030919 at 01:31, Javed Alam wrote: > > >>I tried to solve this 2nd order differential equation >>and end up with >>a wrong answer because if I try doing the same with maxima compiled with >>GCL I get the >>right answer. Did some body else had the same problem? >> >> > ><snip> > > > >>(C1) 'diff(x,t,2) + a*x = b*sin(c*t); >> 2 >> d x >>(D1)  + a x = b SIN(c t) >> 2 >> dt >>(C2) ode2(d1,x,t); >>Is a positive, negative, or zero? >> >>positive; >> / >> [ >>(D2) x = b SIN(SQRT(a) t) I (SIN(c t + SQRT(a) t) + SIN(c t  SQRT(a) t)) >> ] >>1. Break [1]> >> >> d >>/(2 COS(SQRT(a) t) ( (SIN(SQRT(a) t))) >> dt >> >> d >>  2 SIN(SQRT(a) t) ( (COS(SQRT(a) t)))) dt >> dt >> >> / >> [ >> + b COS(SQRT(a) t) I (COS(c t + SQRT(a) t)  COS(c t  SQRT(a) t)) >> ] >> / >> >> d >>/(2 COS(SQRT(a) t) ( (SIN(SQRT(a) t))) >> dt >> >> d >>  2 SIN(SQRT(a) t) ( (COS(SQRT(a) t)))) dt + %K1 SIN(SQRT(a) t) >> dt >> >> + %K2 COS(SQRT(a) t) >> >> > >I was not able to reproduce this result with Maxima 5.9.0+Clisp 2.29 or >the current Maxima cvs+Clisp 2.31. Looking at it, I don't see how you >could possibly get "1. Break [1]>" In the middle of a displayed >equation. Do you know what happened there? It would be helpful for you >to send us the output of "build_info();" > >Jim > > > > >  *Javed Alam, *Ph.D. *Professor* *Civil/Environmental/Chemical Engineering Department* Youngstown State University Youngstown, Ohio 44555 Phone 3309413029 Fax 3309413265 email jalam@... <mailto:jalam@...> web: http://www.eng.ysu.edu/~jalam/ <http://www.eng.ysu.edu/%7Ejalam/>; ====================================================== "Knowledge will forever govern ignorance, and a people who mean to be their own governors, must arm themselves with the power knowledge gives. A popular government without popular information or the means of acquiring it, is but a prologue to a farce or a tragedy or perhaps both."  James Madison /(Fourth President of the United States)/ <http://opengov1.media.mit.edu/>; "Facts are stupid things..."  Ronald Reagan /(40th President of the United States)/ <http://opengov1.media.mit.edu/>; ======================================================== 
From: lin8080 <lin8080@fr...>  20030919 20:26:02

Arseny Slobodjuck schrieb: > Full version (with modules) doesn't work on win98 and NT4, indeed. As > Sam said CreateHardlink needed for COPYFILE :METHOD :HARDLINK. Base > version works on NT4. Hallo Now I found time to take a closer look and I find a second lisp.exe in the directory /base. This works fine on win98. [3]> (lispimplementationversion) "2.31 (released 20030901) (built 3271571601) (memory 3272780650)" BTW: Is it possible to replace the wordmonster (lispimplementationversion) with single (version)? (I tried this without lisp..., because I remember so) Nice, thank you. Which version should I now report, when there is a full and a base lisp.exe? And is the difference important? Then I try to build an array which should look like: (a0 a1 a2 a3) (b0 b1 b2 b3 b4 5b) (c0 c1 c2) (d0 d1 d2 d3 d4 d5 d6 d7) ... but I don't get it. Is this impossible to do? While trying, I saw that still (since 2.24) (setf (aref neuron02 0 2) 00) is always printout 0 and not 00. I have some values like (01 02 03... 23 24 25) and numbers with single digits are not nice as a table on the screen (it looks like (1 2 3 ... 23 24 25)). Until now I set this to a string [87]> (setf (aref feld 1 0) "00") "00" Else I come to another thing I want to print here. ;; (setf feld (makearray '(4 4))) goes before. [71]> (setf (aref feld 0 3) nn) ***  EVAL: variable NN has no value The following restarts are available: STOREVALUE :R1 You may input a new value for NN. USEVALUE :R2 You may input a value to be used instead of NN. 1. Break [72]> :r2 Use instead of NN: 'nn 'NN [73]> feld #2A((0 1 'NN NIL) (NIL AA NIL NIL) (NIL NIL BB NIL) (NIL NIL NIL CC)) [75]> (aref feld 0 3) 'NN To repeat it, I found this: [28]> (setf (aref feld 0 3) nn) ***  EVAL: variable NN has no value The following restarts are available: STOREVALUE :R1 You may input a new USEVALUE :R2 You may input a val 1. Break [29]> :r2 Use instead of NN: nn ***  SYSTEM::STORE: 0 is not an array 1. Break [30]> :a [31]> (setf (aref feld 2 2) 'nn) NN ;; works right feld looks like this: #2A((NIL NIL NIL 2) ("00" 0 NN NIL) (NIL NIL NN 'NN) (NIL NIL NIL NIL)) and using once :r1 nn, this makes 'nn to the feld, after one use of :r1 all seemed to work fine: [50]> (setf (aref feld 3 0) nn) 'NN [51]> feld #2A(('NN NN NIL 'NN) ("00" 0 NN NIL) (NIL NIL NN 'NN) ('NN NIL NIL NIL)) [59]> (setf (aref feld 3 1) 'nn) NN hmmm, I try it on an other day. But after all, I'm happy, to get CL2.31 work. Next I test my old code ... stefan  wishes always a better idea :) 
From: James Amundson <amundson@us...>  20030919 20:25:06

On Fri, 20030919 at 01:31, Javed Alam wrote: > I tried to solve this 2nd order differential equation > and end up with > a wrong answer because if I try doing the same with maxima compiled with > GCL I get the > right answer. Did some body else had the same problem? <snip> > (C1) 'diff(x,t,2) + a*x = b*sin(c*t); > 2 > d x > (D1)  + a x = b SIN(c t) > 2 > dt > (C2) ode2(d1,x,t); > Is a positive, negative, or zero? > > positive; > / > [ > (D2) x = b SIN(SQRT(a) t) I (SIN(c t + SQRT(a) t) + SIN(c t  SQRT(a) t)) > ] > 1. Break [1]> > > d > /(2 COS(SQRT(a) t) ( (SIN(SQRT(a) t))) > dt > > d >  2 SIN(SQRT(a) t) ( (COS(SQRT(a) t)))) dt > dt > > / > [ > + b COS(SQRT(a) t) I (COS(c t + SQRT(a) t)  COS(c t  SQRT(a) t)) > ] > / > > d > /(2 COS(SQRT(a) t) ( (SIN(SQRT(a) t))) > dt > > d >  2 SIN(SQRT(a) t) ( (COS(SQRT(a) t)))) dt + %K1 SIN(SQRT(a) t) > dt > > + %K2 COS(SQRT(a) t) I was not able to reproduce this result with Maxima 5.9.0+Clisp 2.29 or the current Maxima cvs+Clisp 2.31. Looking at it, I don't see how you could possibly get "1. Break [1]>" In the middle of a displayed equation. Do you know what happened there? It would be helpful for you to send us the output of "build_info();" Jim 
From: Hoehle, JoergCyril <JoergCyril.H<oehle@t...>  20030919 20:24:26

Don Cohen writes: >Below is current diff. The build finishes but > (ext:writebytesequence a st :nohang t) >gives me > ***  WRITEBYTESEQUENCE: illegal keyword/value pair >:NOHANG, T in argument list. > The allowed keywords are (:START :END) > >Can someone tell me what I've missed? >I expected the following to cause the new argument to be recognized. >[in sequence.d] >+LISPFUN(write_byte_sequence,seclass_default,2,0,norest,key,3, >+ (kw(start),kw(end),kw(no_hang)) ) It's not enough to modify sequence.d. You must update subr.d and esp. subrkw.d Regards, Jorg Hohle. 
From: Richard Fateman <fateman@cs...>  20030919 20:02:04

Usually the way to tell if something is a compiler bug is to find load the corresponding noncompiled file and run the program again. Then try the program again but load only one definition from the file and see if it fixes it. Which one file, which one definition... that's tricky to determine. Another way, if you have 2 different behaviors, is to trace all the programs that you think might matter, and look at the two traces. (output the trace info to text files...) Good luck. RJF Javed Alam wrote: > > David > > Thanks for the tips both of the approaches suggested by you worked in > getting > maxima{compiled with clisp} shell to open up in texmacs > {winxp/win200/cygwin/}. However, that is not the end > of my problems. I tried to solve this 2nd order differential equation > and end up with > a wrong answer because if I try doing the same with maxima compiled > with GCL I get the > right answer. Did some body else had the same problem? > > > > $ maxima > i i i i i i i ooooo o ooooooo ooooo ooooo > I I I I I I I 8 8 8 8 8 o 8 8 > I \ `+' / I 8 8 8 8 8 8 > \ `+' / 8 8 8 ooooo 8oooo > `____' 8 8 8 8 8 >  8 o 8 8 o 8 8 > + ooooo 8oooooo ooo8ooo ooooo 8 > > Copyright (c) Bruno Haible, Michael Stoll 1992, 1993 > Copyright (c) Bruno Haible, Marcus Daniels 19941997 > Copyright (c) Bruno Haible, Pierpaolo Bernardi, Sam Steingold 1998 > Copyright (c) Bruno Haible, Sam Steingold 19992003 > > Maxima 5.9.0 http://maxima.sourceforge.net > Distributed under the GNU Public License. See the file COPYING. > Dedicated to the memory of William Schelter. > This is a development version of Maxima. The function bug_report() > provides bug reporting information. > ;; Loading file /usr/local/share/maxima/5.9.0/share/maximainit.lisp ... > ;; Loaded file /usr/local/share/maxima/5.9.0/share/maximainit.lisp > (C1) 'diff(x,t,2) + a*x = b*sin(c*t); > 2 > d x > (D1)  + a x = b SIN(c t) > 2 > dt > (C2) ode2(d1,x,t); > Is a positive, negative, or zero? > > positive; > / > [ > (D2) x = b SIN(SQRT(a) t) I (SIN(c t + SQRT(a) t) + SIN(c t  SQRT(a) t)) > ] > 1. Break [1]> > > d > /(2 COS(SQRT(a) t) ( (SIN(SQRT(a) t))) > dt > > d >  2 SIN(SQRT(a) t) ( (COS(SQRT(a) t)))) dt > dt > > / > [ > + b COS(SQRT(a) t) I (COS(c t + SQRT(a) t)  COS(c t  SQRT(a) t)) > ] > / > > d > /(2 COS(SQRT(a) t) ( (SIN(SQRT(a) t))) > dt > > d >  2 SIN(SQRT(a) t) ( (COS(SQRT(a) t)))) dt + %K1 SIN(SQRT(a) t) > dt > > + %K2 COS(SQRT(a) t) > > > > > Same solution using maxima compiled under gclisp > > > C:\Program Files\Maxima5.9.0\lib\maxima\5.9.0\binarygcl>maxima eval > n) > GCL (GNU Common Lisp) Version(2.5.0) Thu Jan 30 02:37:51 CST 2003 > Licensed under GNU Library General Public License > Contains Enhancements by W. Schelter > > Use (help) to get some basic information on how to use GCL. > Maxima 5.9.0 http://maxima.sourceforge.net > Distributed under the GNU Public License. See the file COPYING. > Dedicated to the memory of William Schelter. > This is a development version of Maxima. The function bug_report() > provides bug reporting information. > (C3) 'diff(x,t,2) + a*x= b*sin(c*t); > > 2 > d x > (D3)  + a x = b SIN(C t) > 2 > dt > (C4) ode2(d3,x,t); > > Is a positive, negative, or zero? > > positive; > b SIN(C t) > (D4) x =   + %K1 SIN(SQRT(a) t) + %K2 COS(SQRT(a) t) > 2 > C  a > (C5) > > The two solutions are totally different. This has to do with the CLISP > and GCLISP compilers. Any help or suggestions in this regard > will be highly appreciated. > > regards > > javed > > > > > Billinghurst, David (CALCRTS) wrote: > >>> From: Billinghurst, David (CALCRTS) >>> >>> >>>> From: Javed Alam >>>> Sent: Saturday, 13 September 2003 12:02 AM >>>> >>>> I have been trying to run texmacs1.0.1.21 with maxima5.9.0 under >>>> cygwin on a win/xp and win/2000 system. >>>> >>>> [...] >>>> >>>> I get the following error. >>>> >>>> [...] >>>> >>>> Fatal error: bad url in 'complete' >>>> See file : url.cpp >>>> >>> >>> See if >>> https://savannah.gnu.org/bugs/?func=detailbug&group_id=156&bug_id=4241 >>> helps. It suggests hard coding a file location. I will have a look >>> myself over weekend. >>> >> >> >> Alternatively: >> http://www.mailarchive.com/finkusers@.../msg09820.html >> >> indicates that the problem is related to locate/updatedb. >> When "locate toc_maxima.html" finds the file then texmacs will run >> maxima. However, I have some unresolved issues on cygwin: >>  the machine that used to work now doesn't,  the one that didn't >> now does after doing an updatedb >>  updatedb is giving me some grief. >> >> >> >> > > 
From: Jari Aalto <jari.aalto@po...>  20030919 19:52:51

[Keep CC, thank you] > root@...:/usr/src/build/clisp/clisp2.31# ls la buildcygwin/ > total 0 > drwxrxrx 2 root None 0 Sep 15 23:19 . > drwxrxrx 22 root None 0 Sep 15 22:25 .. > > Let me know how to proceed please replace "install" with "build install". sorry. if you do not have libsigsegv installed, I suggest getting it from ftp://ftp.gnu.org/pub/gnu/libsigsegv/libsigsegv2.1.tar.gz and installing it with ./configure prefix /usr/local/libsigsegvcygwin make && make check && make install (you can omit prefix here in withlibsigsegvprefix=/usr/local/libsigsegvcygwin in CLISP config if you do not need libsigsegv/mingw). this is not required, but _highly_ recommended. this is a _buildtime_ dependency only (not a runtime dependency!) I had to port libsegv to cygwin first (Just announced ITP in cygwinapps mailing list), so I'm back in clisp again. Here is the latest build messages, let me know how to proceed. ./configure \ prefix=/usr \ execprefix=/usr \ withdynamicffi \ withmodule=syscalls \ withmodule=regexp \ fsstnd=redhat \ withmodule=dirkey \ withmodule=bindings/win32 \ withlibsigsegvprefix=/usr/lib \ install build cygwin I used ftp://ftp.gnu.org/pub/gnu/libsigsegv/ which had version libsigsegv2.0 (You mentioned 2.1 ?) Jari ln s ../src/nls_cp1257.c nls_cp1257.c ln s ../src/nls_hp_roman8.c nls_hp_roman8.c ln s ../src/nls_nextstep.c nls_nextstep.c ln s ../src/nls_jisx0201.c nls_jisx0201.c gcc W Wswitch Wcomment Wpointerarith Wimplicit Wreturntype fomitframepointer Wnosigncompare O2 fexpensiveoptimizations DUNICODE DDYNAMIC_FFI c encoding.c encoding.d: In function `nls_range': encoding.d:1658: warning: `i1' might be used uninitialized in this function encoding.d:1659: warning: `i2' might be used uninitialized in this function ln s ../src/pathname.d pathname.d ./comment5 pathname.d  ./ansidecl  ./varbrace > pathname.c gcc W Wswitch Wcomment Wpointerarith Wimplicit Wreturntype fomitframepointer Wnosigncompare O2 fexpensiveoptimizations DUNICODE DDYNAMIC_FFI c pathname.c pathname.d: In function `parse_logical_word': pathname.d:1529: warning: `ch' might be used uninitialized in this function pathname.d: In function `C_launch': pathname.d:10862: warning: variable `exit_code' might be clobbered by `longjmp' or `vfork' ln s ../src/stream.d stream.d ./comment5 stream.d  ./ansidecl  ./varbrace > stream.c gcc W Wswitch Wcomment Wpointerarith Wimplicit Wreturntype fomitframepointer Wnosigncompare O2 fexpensiveoptimizations DUNICODE DDYNAMIC_FFI c stream.c stream.d: In function `iconv_range': stream.d:3932: warning: `i1' might be used uninitialized in this function stream.d:3933: warning: `i2' might be used uninitialized in this function stream.d: In function `lisp_completion': stream.d:9147: warning: variable `array' might be clobbered by `longjmp' or `vfork' stream.d:9154: warning: variable `ptr' might be clobbered by `longjmp' or `vfork' stream.d:9169: warning: variable `ptr1' might be clobbered by `longjmp' or `vfork' make: *** [stream.o] Interrupt 
From: Javed Alam <jalam@cc...>  20030919 19:46:08

David Thanks for the tips both of the approaches suggested by you worked in getting maxima{compiled with clisp} shell to open up in texmacs {winxp/win200/cygwin/}. However, that is not the end of my problems. I tried to solve this 2nd order differential equation and end up with a wrong answer because if I try doing the same with maxima compiled with GCL I get the right answer. Did some body else had the same problem? $ maxima i i i i i i i ooooo o ooooooo ooooo ooooo I I I I I I I 8 8 8 8 8 o 8 8 I \ `+' / I 8 8 8 8 8 8 \ `+' / 8 8 8 ooooo 8oooo `____' 8 8 8 8 8  8 o 8 8 o 8 8 + ooooo 8oooooo ooo8ooo ooooo 8 Copyright (c) Bruno Haible, Michael Stoll 1992, 1993 Copyright (c) Bruno Haible, Marcus Daniels 19941997 Copyright (c) Bruno Haible, Pierpaolo Bernardi, Sam Steingold 1998 Copyright (c) Bruno Haible, Sam Steingold 19992003 Maxima 5.9.0 http://maxima.sourceforge.net Distributed under the GNU Public License. See the file COPYING. Dedicated to the memory of William Schelter. This is a development version of Maxima. The function bug_report() provides bug reporting information. ;; Loading file /usr/local/share/maxima/5.9.0/share/maximainit.lisp ... ;; Loaded file /usr/local/share/maxima/5.9.0/share/maximainit.lisp (C1) 'diff(x,t,2) + a*x = b*sin(c*t); 2 d x (D1)  + a x = b SIN(c t) 2 dt (C2) ode2(d1,x,t); Is a positive, negative, or zero? positive; / [ (D2) x = b SIN(SQRT(a) t) I (SIN(c t + SQRT(a) t) + SIN(c t  SQRT(a) t)) ] 1. Break [1]> d /(2 COS(SQRT(a) t) ( (SIN(SQRT(a) t))) dt d  2 SIN(SQRT(a) t) ( (COS(SQRT(a) t)))) dt dt / [ + b COS(SQRT(a) t) I (COS(c t + SQRT(a) t)  COS(c t  SQRT(a) t)) ] / d /(2 COS(SQRT(a) t) ( (SIN(SQRT(a) t))) dt d  2 SIN(SQRT(a) t) ( (COS(SQRT(a) t)))) dt + %K1 SIN(SQRT(a) t) dt + %K2 COS(SQRT(a) t) Same solution using maxima compiled under gclisp C:\Program Files\Maxima5.9.0\lib\maxima\5.9.0\binarygcl>maxima eval n) GCL (GNU Common Lisp) Version(2.5.0) Thu Jan 30 02:37:51 CST 2003 Licensed under GNU Library General Public License Contains Enhancements by W. Schelter Use (help) to get some basic information on how to use GCL. Maxima 5.9.0 http://maxima.sourceforge.net Distributed under the GNU Public License. See the file COPYING. Dedicated to the memory of William Schelter. This is a development version of Maxima. The function bug_report() provides bug reporting information. (C3) 'diff(x,t,2) + a*x= b*sin(c*t); 2 d x (D3)  + a x = b SIN(C t) 2 dt (C4) ode2(d3,x,t); Is a positive, negative, or zero? positive; b SIN(C t) (D4) x =   + %K1 SIN(SQRT(a) t) + %K2 COS(SQRT(a) t) 2 C  a (C5) The two solutions are totally different. This has to do with the CLISP and GCLISP compilers. Any help or suggestions in this regard will be highly appreciated. regards javed Billinghurst, David (CALCRTS) wrote: >>From: Billinghurst, David (CALCRTS) >> >> >> >>>From: Javed Alam >>>Sent: Saturday, 13 September 2003 12:02 AM >>> >>>I have been trying to run texmacs1.0.1.21 with maxima5.9.0 under >>>cygwin on a win/xp and win/2000 system. >>> >>>[...] >>> >>>I get the following error. >>> >>>[...] >>> >>>Fatal error: bad url in 'complete' >>>See file : url.cpp >>> >>> >>See if https://savannah.gnu.org/bugs/?func=detailbug&group_id=156&bug_id=4241 >>helps. It suggests hard coding a file location. I will have a look >>myself over weekend. >> >> > >Alternatively: >http://www.mailarchive.com/finkusers@.../msg09820.html >indicates that the problem is related to locate/updatedb. > >When "locate toc_maxima.html" finds the file then texmacs will run maxima. >However, I have some unresolved issues on cygwin: >  the machine that used to work now doesn't, >  the one that didn't now does after doing an updatedb >  updatedb is giving me some grief. > > > >  *Javed Alam, *Ph.D. *Professor* *Civil/Environmental/Chemical Engineering Department* Youngstown State University Youngstown, Ohio 44555 Phone 3309413029 Fax 3309413265 email jalam@... <mailto:jalam@...> web: http://www.eng.ysu.edu/~jalam/ <http://www.eng.ysu.edu/%7Ejalam/>; ====================================================== "Knowledge will forever govern ignorance, and a people who mean to be their own governors, must arm themselves with the power knowledge gives. A popular government without popular information or the means of acquiring it, is but a prologue to a farce or a tragedy or perhaps both."  James Madison /(Fourth President of the United States)/ <http://opengov1.media.mit.edu/>; "Facts are stupid things..."  Ronald Reagan /(40th President of the United States)/ <http://opengov1.media.mit.edu/>; ======================================================== 