| T O P I C R E V I E W |
| pramodbharade |
Posted - 03/19/2008 : 02:25:16 AM
Hi
i am pramod bharade doing M.Tech in Irrigation Engg.i have 1 output and 5 input data of 300 numbers.i want to see relationship between them and i want to find out eq. which will be suit for this data of 5 input and will give the approriate value as like its output.so please suggest me any proper method to find out surface fit equation for this data.
Thanks
Pramod bharade |
| 1 L A T E S T R E P L I E S (Newest First) |
| larry_lan |
Posted - 03/20/2008 : 04:53:50 AM
Hi Pramod:
Do you mean there are 5 independent variables and 1 dependent variable, and you want to find out the relationship between independent and dependent variable? If so, I don't think it's a 3D surface, it's a multi-dimension surface.
You can define a multi-independent fitting function to do that. When defining the function, just type x1, x2, x3.... on the Independent Variable edit box. However, I think you should consider Multiple Linear Regression first.
For Origin 80, select Analysis : Fitting : Multiple Linear Regression
For Origin 75, select Statistics : Multiple Regression
Thanks
Larry
OriginLab Technical Services |
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