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#! /usr/bin/env python
from __future__ import print_function
from openturns import *
TESTPREAMBLE()
try:
# First, build two functions from R^3->R
inVar = Description(3)
inVar[0] = "x1"
inVar[1] = "x2"
inVar[2] = "x3"
outVar = Description(1)
outVar[0] = "y"
formula = Description(1)
formula[0] = "x1^3 * sin(x2 + 2.5 * x3) - (x1 + x2)^2 / (1.0 + x3^2)"
functions = []
functions.append(NumericalMathFunction(inVar, outVar, formula))
formula[0] = "exp(-x1 * x2 + x3) / cos(1.0 + x2 * x3 - x1)"
functions.append(NumericalMathFunction(inVar, outVar, formula))
# Second, build the weights
coefficients = NumericalPoint(2)
coefficients[0] = 0.3
coefficients[1] = 2.9
myEvaluation = LinearCombinationEvaluationImplementation(
functions, coefficients)
inPoint = NumericalPoint(3)
inPoint[0] = 1.2
inPoint[1] = 2.3
inPoint[2] = 3.4
print("myEvaluation=", myEvaluation)
print("Value at ", inPoint, "=", myEvaluation(inPoint))
except:
import sys
print("t_LinearCombinationEvaluationImplementation_std.py",
sys.exc_info()[0], sys.exc_info()[1])
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