[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
## Re: Using quad() for multidimensional integration

**From**: |
Vinayak Dutt |

**Subject**: |
Re: Using quad() for multidimensional integration |

**Date**: |
Thu, 17 Aug 95 08:14:27 CDT |

Ted Harding writes:
#( Re Message From: Vinayak Dutt )
#>
#Since posting my previous comment on the above, I ran my little test program
#
# ( for int_0^1 int_0^x y dy dx )
#
#on matlab (an old version).
#
#The result, after a few seconds, was a stream of messages all like
#
# Recursion level limit reached in quad. Singularity likely.
#
#and, when interrupted, it backed up through several layers of calls to
#"quadstp".
#
#This adds support to my suspicion that this problem may be due to running
#out of stack space.
I think you might be right. I ran a simpler double integral which has a faster
convergence, and, it did work. So this might be a stack space problem.
--vinayak-
/*
* vinayak dutt
* ex-graduate student, ultrasound research
* mayo graduate school, rochester mn
*
* e-mail: address@hidden
* address@hidden
* address@hidden
*
*/
#include "disclaimer.h"

**Using quad() for multidimensional integration**, *Vinayak Dutt*, `1995/08/16`
**Re: Using quad() for multidimensional integration**, *Ted Harding*, `1995/08/17`
**Re: Using quad() for multidimensional integration**, *Ted Harding*, `1995/08/17`
**Re: Using quad() for multidimensional integration**,
*Vinayak Dutt* **<=**
**Re: Using quad() for multidimensional integration**, *Vinayak Dutt*, `1995/08/17`
**Re: Using quad() for multidimensional integration**, *Ted Harding*, `1995/08/17`
**Re: Using quad() for multidimensional integration**, *Vinayak Dutt*, `1995/08/17`
**Re: Using quad() for multidimensional integration**, *Ted Harding*, `1995/08/17`
**Re: Using quad() for multidimensional integration**, *Jim Van Zandt*, `1995/08/18`
**Re: Using quad() for multidimensional integration**, *Ted Harding*, `1995/08/18`