From bug-octave-request at bevo dot che dot wisc dot edu Thu Nov 14 09:00:58 2002 Subject: problems with svd, pinv an other functions From: "Eugenio SEGUIN" To: bug-octave at bevo dot che dot wisc dot edu Date: Thu, 14 Nov 2002 07:08:34 -0600 To: bug-octave at bevo dot che dot wisc dot edu Cc: eseguin Subject: [50 character or so descriptive subject here (for reference)] -------- Bug report for Octave 2.1.36 configured for alphaev67-dec-osf5.1 Description: ----------- The svd routine not work, the inv or inverse, pinv and x=A\b routine not work with complex matrix. The message when I run octave-bug is: Warning: Cannot convert string "-dt-interface user-medium-r-normal- s*-*-*-*-*-*-*-*-*" to type FontStruct Warning: Cannot convert string "-*-Menu-Medium-R-Normal--*-120-*- *-P-*-ISO8859-1" to type FontStruct Repeat-By: --------- [u s v]= svd(hilb(3)) ** On entry to DGESVD parameter number 13 had an illegal value error: exception encountered in Fortran subroutine dgesvd_ error: unrecoverable error in dgesvd A=ceil(10*randn(5,3)) A = 1 -12 0 -5 6 -2 -6 2 15 -7 10 0 3 22 1 >> pinv(A) ** On entry to DGESVD parameter number 13 had an illegal value error: exception encountered in Fortran subroutine dgesvd_ error: unrecoverable error in dgesvd >> A=ceil(10*randn(5))+i*ceil(10*randn(5)) A = -2 - 4i -16 - 22i 12 + 10i 0 + 6i 13 + 0i -18 + 5i -2 + 6i -8 + 2i 2 + 3i 6 + 20i 5 + 6i 14 + 0i -7 + 16i 2 + 0i 5 + 8i 2 - 2i -19 + 24i -17 + 19i -3 - 10i 13 - 22i 22 - 2i 5 + 6i 11 - 14i 4 - 8i -13 - 8i >> b=ceil(5*randn(5,1)) b = 8 2 12 -6 3 >> x=A\b panic: Segmentation fault -- stopping myself... Memory fault - core dumped Fix: --- Configuration (please do not edit this section): ----------------------------------------------- uname output: OSF1 tulum.unsj.edu.ar V5.1 732 alpha configure opts: '--prefix=/usr/users/eseguin/octave' '--enable- shared' '--enable-dl' '--enable-lite-kernel' '--without-fastblas' '--disable- readline' Fortran compiler: g77 FFLAGS: -mieee-with-inexact -O F2C: F2CFLAGS: FLIBS: -L/usr/users/eseguin/gcc/lib/gcc-lib/alphaev67-dec- osf5.1/3.2 -L/usr/lib/cmplrs/cc -L/usr/users/eseguin/gcc/lib/gcc- lib/alphaev67-dec-osf5.1/3.2/../../.. -lfrtbegin -lg2c -lm -lgcc_s CPPFLAGS: INCFLAGS: -I. -I. -I./liboctave -I./src -I./libcruft/misc -I./glob - I./glob C compiler: gcc, version 3.2 CFLAGS: -g -O2 CPICFLAG: C++ compiler: g++, version 3.2 CXXFLAGS: -g -O2 -Wall CXXPICFLAG: LD_CXX: g++ LDFLAGS: LIBFLAGS: -L. RLD_FLAG: -Xlinker -rpath -Xlinker /usr/users/eseguin/octave/lib/octave-2.1.36 BLAS_LIBS: -lcxml FFTW_LIBS: LIBS: -lcurses -lm LEXLIB: LIBPLPLOT: LIBDLFCN: LIBGLOB: ./glob/glob.o ./glob/fnmatch.o DEFS: -DPACKAGE_NAME="" -DPACKAGE_TARNAME="" - DPACKAGE_VERSION="" -DPACKAGE_STRING="" -DPACKAGE_BUGREPORT="" - DOCTAVE_SOURCE=1 -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 - DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 - DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 - DHAVE_UNISTD_H=1 -DSEPCHAR=1 -DSEPCHAR_STR=":" -D__NO_MATH_INLINES=1 -DCXX_NEW_FRIEND_TEMPLATE_DECL=1 - DCXX_ISO_COMPLIANT_LIBRARY=1 -DCXX_ABI=gnu_v3 -DHAVE_LIBM=1 - DF77_FUNC(name,NAME)=name ## _ -DF77_FUNC_(name,NAME)=name ## __ -DHAVE_BLAS=1 - DOCTAVE_LITE=1 -DHAVE_GETHOSTNAME=1 -DHAVE_GETPWNAM=1 - DSIZEOF_SHORT=2 -DSIZEOF_INT=4 -DSIZEOF_LONG=8 -DSIZEOF_LONG_LONG=8 - DHAVE_ALLOCA_H=1 -DHAVE_ALLOCA=1 -DNPOS=std::string::npos -DSTDC_HEADERS=1 - DHAVE_DIRENT_H=1 -DTIME_WITH_SYS_TIME=1 -DHAVE_SYS_WAIT_H=1 - DHAVE_ASSERT_H=1 -DHAVE_CURSES_H=1 -DHAVE_DLFCN_H=1 - DHAVE_FCNTL_H=1 -DHAVE_FLOAT_H=1 -DHAVE_GRP_H=1 -DHAVE_LIMITS_H=1 - DHAVE_MEMORY_H=1 -DHAVE_NAN_H=1 -DHAVE_POLL_H=1 -DHAVE_PWD_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_SYS_IOCTL_H=1 -DHAVE_SYS_PARAM_H=1 - DHAVE_SYS_POLL_H=1 -DHAVE_SYS_RESOURCE_H=1 -DHAVE_SYS_SELECT_H=1 - DHAVE_SYS_STAT_H=1 -DHAVE_SYS_TIME_H=1 -DHAVE_SYS_TIMES_H=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_UTSNAME_H=1 -DHAVE_UNISTD_H=1 -DHAVE_VARARGS_H=1 -DHAVE_TERMIO_H=1 -DHAVE_SGTTY_H=1 -DHAVE_GLOB_H=1 -DHAVE_FNMATCH_H=1 -DHAVE_ATEXIT=1 -DHAVE_BCOPY=1 -DHAVE_BZERO=1 -DHAVE_DUP2=1 -DHAVE_ENDGRENT=1 -DHAVE_ENDPWENT=1 -DHAVE_EXECVP=1 -DHAVE_FCNTL=1 -DHAVE_FORK=1 -DHAVE_GETCWD=1 -DHAVE_GETEGID=1 -DHAVE_GETEUID=1 -DHAVE_GETGID=1 -DHAVE_GETGRENT=1 -DHAVE_GETGRGID=1 -DHAVE_GETGRNAM=1 -DHAVE_GETPGRP=1 -DHAVE_GETPID=1 -DHAVE_GETPPID=1 -DHAVE_GETPWENT=1 -DHAVE_GETPWUID=1 -DHAVE_GETTIMEOFDAY=1 -DHAVE_GETUID=1 -DHAVE_GETWD=1 -DHAVE_LINK=1 -DHAVE_LOCALTIME_R=1 -DHAVE_LSTAT=1 -DHAVE_MEMMOVE=1 -DHAVE_MKDIR=1 -DHAVE_MKFIFO=1 -DHAVE_PIPE=1 -DHAVE_POLL=1 -DHAVE_PUTENV=1 -DHAVE_READLINK=1 -DHAVE_RENAME=1 -DHAVE_RINDEX=1 -DHAVE_RMDIR=1 -DHAVE_SELECT=1 -DHAVE_SETGRENT=1 -DHAVE_SETPWENT=1 -DHAVE_SETVBUF=1 -DHAVE_SIGACTION=1 -DHAVE_SIGPENDING=1 -DHAVE_SIGPROCMASK=1 -DHAVE_SIGSUSPEND=1 -DHAVE_STAT=1 -DHAVE_STRCASECMP=1 -DHAVE_STRDUP=1 - DHAVE_STRERROR=1 -DHAVE_STRFTIME=1 -DHAVE_STRNCASECMP=1 -DHAVE_STRPTIME=1 - DHAVE_SYMLINK=1 -DHAVE_TEMPNAM=1 -DHAVE_UMASK=1 -DHAVE_UNLINK=1 -DHAVE_USLEEP=1 -DHAVE_VFPRINTF=1 -DHAVE_VSPRINTF=1 - DHAVE_VSNPRINTF=1 -DHAVE_WAITPID=1 -DHAVE_DLOPEN=1 -DHAVE_DLSYM=1 - DHAVE_DLERROR=1 -DHAVE_DLCLOSE=1 -DWITH_DL=1 -DWITH_DYNAMIC_LINKING=1 - DHAVE_TIMEVAL=1 -DHAVE_FINITE=1 -DHAVE_ISNAN=1 -DHAVE_ACOSH=1 -DHAVE_ASINH=1 - DHAVE_ATANH=1 -DHAVE_ERF=1 -DHAVE_ERFC=1 - DHAVE_STRUCT_STAT_ST_BLKSIZE=1 -DHAVE_STRUCT_STAT_ST_BLOCKS=1 - DHAVE_STRUCT_STAT_ST_RDEV=1 -DHAVE_STRUCT_TM_TM_ZONE=1 -DHAVE_TM_ZONE=1 - DEXCEPTION_IN_MATH=1 -DRETSIGTYPE=void -DHAVE_SYS_SIGLIST=1 - DHAVE_POSIX_SIGNALS=1 -DHAVE_DEV_T=1 -DHAVE_INO_T=1 -DHAVE_NLINK_T=1 - DHAVE_NLINK_T=1 -DHAVE_SIGSET_T=1 -DHAVE_GETRUSAGE=1 - DHAVE_TIMES=1 -DYYTEXT_POINTER=1 -DGNUPLOT_HAS_MULTIPLOT=1 - DGNUPLOT_HAS_FRAMES=1 CarlosEugenio SEGUIN Assistant Proffesor - Civil Engineer Departament National University of San Juan - Argentina Carlos Eugenio Seguin e-mail:eseguin at idecom dot unsj dot edu dot ar Tel/Fax: 0264 - 4230942 ------------------------------------------------------------- Octave is freely available under the terms of the GNU GPL. 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