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LSODE Errors


From: Brian Curtis
Subject: LSODE Errors
Date: Fri, 12 Sep 2008 10:21:27 -0400

All,

I am getting errors from the LSODE function and I am wondering if anyone has any advice on whats going on?

 LSODE--  WARNING..INTERNAL T (=R1) AND H (=R2) ARE
       SUCH THAT IN THE MACHINE, T + H = T ON THE NEXT STEP 
       (H = STEP SIZE). SOLVER WILL CONTINUE ANYWAY
      In above,  R1 =  0.3141590027763D+01   R2 =  0.1897840031228D-15
 LSODE--  WARNING..INTERNAL T (=R1) AND H (=R2) ARE
       SUCH THAT IN THE MACHINE, T + H = T ON THE NEXT STEP 
       (H = STEP SIZE). SOLVER WILL CONTINUE ANYWAY
      In above,  R1 =  0.3141590027763D+01   R2 =  0.1897840031228D-15
 LSODE--  WARNING..INTERNAL T (=R1) AND H (=R2) ARE
       SUCH THAT IN THE MACHINE, T + H = T ON THE NEXT STEP 
       (H = STEP SIZE). SOLVER WILL CONTINUE ANYWAY
      In above,  R1 =  0.3141590027763D+01   R2 =  0.1897840031228D-15

*If you would like to download/look at the code, you may download it at http://aurora.gmu.edu/~bcurtis/files/lsodetest.m
--It is a simple Particle orbit code.

Thanks,
~Brian Curtis


Research is what I'm doing when I don't know what I'm doing.
--Wernher Von Braun
"The second law of thermodynamics: If you think things are in a mess now, JUST WAIT!!"

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