[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Help-gsl] memory requirements for doing nonlinear least-squares fit

From: Brian Gough
Subject: Re: [Help-gsl] memory requirements for doing nonlinear least-squares fitting
Date: Thu, 4 Nov 2004 18:00:15 +0000

Yiping Zhan writes:
 > However, this only happens after at least 3 iterations. And the
 > program works well for smaller datasets. The size 590368768 correspond
 > to the size of the Jacobian matrix for my data (1600000 data entries,
 > 46 parameters to fit) (BTW, my machine has >2GB of memory). However, I
 > don't understand why the error only occurs after a few iterations. Is
 > the memory usage supposed to increase as the number of iterations
 > increase?

The memory usage should not increase simply by iterating the solution.
Only the gsl*alloc functions allocate memory.

Brian Gough

Network Theory Ltd,
Commercial support for GSL ---

reply via email to

[Prev in Thread] Current Thread [Next in Thread]