Defining a non-parametric function with 2 variables
Source code name: "func_nonparametric2.py"
Programming language: Python
Topic: Function/Non-parametric
DMelt Version 1. Last modified: 12/11/2015. License: Pro
https://datamelt.org/code/cache/func_nonparametric2_1121.py
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from java.lang import Math 
from jhplot import *

class MyFunc(FNon):   
     def value(self, x):                
              y=x[0]*x[0]*Math.sqrt(x[0])*self.p[0]+self.p[1]
              if (x[0]<4): y=0
              return y 

c1 = HPlot()                   # plot data and the fit function
c1.visible()
c1.setAutoRange()
pl = MyFunc("test",1,2)    
print "f(2)=  ",pl.value([2])
print pl.numberOfParameters() 
print pl.dimension()
print pl.parameterNames().tolist() 
pl.setParameter("par0",100) 
pl.setParameter("par1",20) 
print pl.parameters() 
f1=F1D(pl,0,10) # convert to plottable function  
c1.draw(f1)
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