[Date Index]
[Thread Index]
[Author Index]
Curve fitting
*To*: mathgroup at smc.vnet.net
*Subject*: [mg2441] Curve fitting
*From*: "eberhard d\|rr" <eduerr at bioc.unizh.ch>
*Date*: Wed, 8 Nov 1995 23:43:49 -0500
07.11.1995
I have a data set origin from a biochemical experiment (80 data points
as (x;y) values) and I want to fit this data to the following
equation, including a constrain with a polynom of the order n.
Equation 1 :
Y = Max * Pmon ^ n * 1/Kh * 1/x
with: Max = constant value with a known order of magnitude
Kh = constant i want to get from the fit
Pmon = Variable Value depending on x as described in
Equation 2 ( polynom of the order n )
y = measured y-value of the dataset
x = known x-value of the dataset
Equation 2 : (Describes the behaviour of Pmon from Eq.1)
n * Pmon ^ n + Kh*Pmon - Kh*x = 0
with: Kh = same constant as described in eq.1
n = order of the polynome i want to get from the fit
(within 0 and 4; not an integer!!)
x = known x-value of the dataset.
As far as this is the first time i used mathematica and the manuals
give only a few hints for curve fitting i simply tried
to fit my dataset with the term
fit (data, eq.1,eq.2, x) which produced a big amount of error messages.
I would be thankful for some hints how to solve such problems.
Are there packages for mathematica to simplify curve fitting problems?
Prev by Date:
**Re: I don't know how to ....**
Next by Date:
**Re: Novice user**
Previous by thread:
**Curve fitting**
Next by thread:
**Logic Problems**
| |