1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
#! /usr/bin/env python
from __future__ import print_function
import openturns as ot
eps = 0.2
# Instance creation
myFunc = ot.NumericalMathFunction(['x1', 'x2'], ['f1', 'f2', 'f3'], [
'x1*sin(x2)', 'cos(x1+x2)', '(x2+1)*exp(x1-2*x2)'])
center = ot.NumericalPoint(myFunc.getInputDimension())
for i in range(center.getDimension()):
center[i] = 1.0 + i
myTaylor = ot.LinearTaylor(center, myFunc)
myTaylor.run()
responseSurface = ot.NumericalMathFunction(myTaylor.getResponseSurface())
print("myTaylor=", repr(myTaylor))
print("responseSurface=", repr(responseSurface))
print("myFunc(", repr(center), ")=", repr(myFunc(center)))
print("responseSurface(", repr(center), ")=",
repr(responseSurface(center)))
inPoint = ot.NumericalPoint(center)
inPoint[0] += eps
inPoint[1] -= eps / 2
print("myFunc(", repr(inPoint), ")=", repr(myFunc(inPoint)))
print("responseSurface(", repr(inPoint), ")=",
repr(responseSurface(inPoint)))
|
