[sage-support] Re: Page Load Error in Firefox, Using VMWare under Windows Vista

2008-06-20 Thread ronaldlesterbrooks
Thank you for letting me know. I will dig deeper and if I solve it, post. On Jun 20, 1:17 am, William Stein [EMAIL PROTECTED] wrote: On Tue, Jun 17, 2008 at 11:10 AM, ronaldlesterbrooks [EMAIL PROTECTED] wrote: Sage Gurus, Please help, I have had Sage up and running in a Windows

[sage-support] curve-fitting

2008-06-20 Thread abe
hi, I'd like to give sage a try for fitting multi exponential decay curves (to measured data) I vaguely remember seeing a curvefitting example on planet sage somewhere, but I can't find it back anymore. If someone has or knows a simple curvefitting problem example somewhere I'd appreciate it if

[sage-support] Precision Problems

2008-06-20 Thread Michael
Hi, while working a little with sage I encountered some problems sage has concerning numerical precision at very small numbers. I hope I can make my point with a little example. sage: a=1e-175 sage: log(a) -402.952391273958 sage: log(2-a-2) -infinity As you can see sage has no problem

[sage-support] Re: Precision Problems

2008-06-20 Thread Mike Hansen
Hello, while working a little with sage I encountered some problems sage has concerning numerical precision at very small numbers. I hope I can make my point with a little example. sage: a=1e-175 sage: log(a) -402.952391273958 There are a few issues at hand here. First, you have to be

[sage-support] Re: symbolic substitution

2008-06-20 Thread vpv
Thanks for your help! Both solutions worked for me. On Jun 16, 9:56 pm, William Stein [EMAIL PROTECTED] wrote: On Mon, Jun 16, 2008 at 9:43 AM, vpv [EMAIL PROTECTED] wrote: Hello William, Thanks for your reply! I think I can use your idea to solve my problem. I tried to run your example

[sage-support] Re: Precision Problems

2008-06-20 Thread Harald Schilly
On Jun 20, 2:59 pm, Michael [EMAIL PROTECTED] wrote: To put it in the right context, I am working on a program, where I first compute some constants (very small ones) which will be used afterwards. Mhm, there is also something else I want to mention, don't know if it helps you (there is a +