请问下这个错误是怎么产生的

leonidas

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       Segmentation violation detected at Thu Sep 06 16:10:42 2007
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Configuration:
  MATLAB Version:   7.0.0.19920 (R14)
  Operating System: Microsoft Windows 2000
  Window System:    Version 5.0 (Build 2195: Service Pack 4)
  Processor ID:     x86 Family 15 Model 2 Stepping 9, GenuineIntel
  Virtual Machine:  Java 1.4.2 with Sun Microsystems Inc. Java HotSpot(TM) Client VM
    (mixed mode)
  Default Charset:  ibm-1386_P100-2002

Register State:
  EAX = 000c5267  EBX = 00000005
  ECX = 0a3d0030  EDX = 35ed3010
  ESI = 09720128  EDI = 00000002
  EBP = 0a6e0030  ESP = 00cdd1b8
  EIP = 79a9e26e  FLG = 00010246

Stack Trace:
  [0] libmwumfpack.dll:_get_L(0x5513674b, 0xbdf82e95, 0, 0) + 1134 bytes

Please follow these steps in reporting this problem to The MathWorks so
that we have the best chance of correcting it:

  1. Send this crash report to segv@mathworks.com for automated analysis.
     For your convenience, this information has been recorded in:
       C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\matlab_crash_dump.1172

  2. Also, if the problem is reproducible, send the crash report to
     support@mathworks.com along with:
       - A specific list of steps that will reproduce the problem
       - Any M, MEX, MDL or other files required to reproduce the problem
       - Any error messages displayed to the command window
     A technical support engineer will contact you with further information.

Thank you for your assistance.  Please save your workspace and restart
MATLAB before continuing your work.

Error in ==> eigs at 529
        [L,U,P,Q] = lu(AsB);

Error in ==> m2 at 146
[evectors_TE,evalues_TE]=eigs(sparseMatrix,max(modes),sigma,opts);