help-octave
[Top][All Lists]
Advanced

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

## Non-linear ecuation...

 From: John W. Eaton Subject: Non-linear ecuation... Date: Wed, 22 Mar 2000 16:03:52 -0600 (CST)

```On 22-Mar-2000, Cederik <address@hidden> wrote:

| I have the next set of nine non-linear ecuations:
|
| ln(a)-ln(f)+i+4g+(19720/8314)=0
| ln(b)-ln(f)+2g+h-(192420/8314)=0
| ln(c)-ln(f)+h+i-(200240/8314)=0
| ln(d)-ln(f)+2h+i-(395790/8314)=0
| ln(e)-ln(f)+2g=0
| a+c+d-2=0
| 4a+2b+2e-14=0
| b+c+2d-3=0
| a+b+c+d+e-f=0
|
| Where:
| x[1]=a
| x[2]=b
| x[3]=c
| x[4]=d
| x[5]=e
| x[6]=f
| x[7]=g
| x[8]=h
| x[9]=i
|
| Octave can't solve it... (non-convergent), but in fact i know that set of
| ecuations has solution. Because is a Book example.
| Octave can solve it if i put the initial x's [a,b,c,d,e,f,g,h,i] as the
| exactly solutions. But that way isn't usefull for me...
| Any sugestions?

Can you please provide enough information so that someone can at least
try to reproduce your problem?  What is the expected solution?  What
initial value of x fails?

jwe

-----------------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.che.wisc.edu/octave/octave.html
How to fund new projects:  http://www.che.wisc.edu/octave/funding.html
Subscription information:  http://www.che.wisc.edu/octave/archive.html
-----------------------------------------------------------------------

```

reply via email to

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