def function(x):
"""a 8th-order Chebyshev polynomial + sin + a constant
8 6 4 2
f = (128*x1 - 256*x1 + 160*x1 - 32*x1 + 1) + sin(x2) + x3
Input:
- x -- 1-d array of coefficients [x1,x2,x3]
Output:
- f -- the function result
"""
return poly1d(Chebyshev8)(x[0]) + sin(x[1]) + x[2]
def function(x):
"""a 8th-order Chebyshev polynomial + sin + a constant
8 6 4 2
f = (128*x1 - 256*x1 + 160*x1 - 32*x1 + 1) * sin(x2) * x3
Input:
- x -- 1-d array of coefficients [x1,x2,x3]
Output:
- f -- the function result
"""
return poly1d(Chebyshev8)(x[0]) * sin(x[1]) * x[2]
def output_chebyshev():
# Chebyshev8 polynomial
from mystic.models.poly import chebyshev8coeffs as target_coeffs
from mystic.models.poly import poly1d
print("target:\n%s" % poly1d(target_coeffs))
print("\nSolver Solution:\n%s" % poly1d(app.solution))
diameters.append(subdiameter)
total_func_evals += function_evaluations[-1]
total_diameter += diameters[-1]
print "subdiameters (squared): %s" % diameters
print "diameter (squared): %s" % total_diameter
print "func_evals: %s => %s" % (function_evaluations, total_func_evals)
return
#######################################################################
# rank, bounds, and restart information
# (similar to concentration.variables)
#######################################################################
if __name__ == '__main__':
RVstart = 0; RVend = 2
lower_bounds = [-2.0,-2.0,-2.0]
upper_bounds = [ 2.0, 2.0, 2.0]
print " function:\n %s * sin(x2) * x3" % poly1d(Chebyshev8)
print " parameters: ['x1', 'x2', 'x3']"
print " lower bounds: %s" % lower_bounds
print " upper bounds: %s" % upper_bounds
print " ..."
UQ(RVstart,RVend,lower_bounds,upper_bounds)
diameters.append(subdiameter)
total_func_evals += function_evaluations[-1]
total_diameter += diameters[-1]
print("subdiameters (squared): %s" % diameters)
print("diameter (squared): %s" % total_diameter)
print("func_evals: %s => %s" % (function_evaluations, total_func_evals))
return
#######################################################################
# rank, bounds, and restart information
# (similar to concentration.variables)
#######################################################################
if __name__ == '__main__':
RVstart = 0
RVend = 2
lower_bounds = [-2.0, -2.0, -2.0]
upper_bounds = [2.0, 2.0, 2.0]
print(" function:\n %s + sin(x2) + x3" % poly1d(Chebyshev8))
print(" parameters: ['x1', 'x2', 'x3']")
print(" lower bounds: %s" % lower_bounds)
print(" upper bounds: %s" % upper_bounds)
print(" ...")
UQ(RVstart, RVend, lower_bounds, upper_bounds)
def output_chebyshev():
# Chebyshev8 polynomial
from mystic.models.poly import chebyshev8coeffs as target_coeffs
from mystic.models.poly import poly1d
print("target:\n%s" % poly1d(target_coeffs))
print("\nSolver Solution:\n%s" % poly1d(app.solution))
diameters.append(subdiameter)
total_func_evals += function_evaluations[-1]
total_diameter += diameters[-1]
print "subdiameters (squared): %s" % diameters
print "diameter (squared): %s" % total_diameter
print "func_evals: %s => %s" % (function_evaluations, total_func_evals)
return
#######################################################################
# rank, bounds, and restart information
# (similar to concentration.variables)
#######################################################################
if __name__ == '__main__':
RVstart = 0; RVend = 2
lower_bounds = [-2.0,-2.0,-2.0]
upper_bounds = [ 2.0, 2.0, 2.0]
print " function:\n %s + sin(x2) + x3" % poly1d(Chebyshev8)
print " parameters: ['x1', 'x2', 'x3']"
print " lower bounds: %s" % lower_bounds
print " upper bounds: %s" % upper_bounds
print " ..."
UQ(RVstart,RVend,lower_bounds,upper_bounds)
diameters.append(subdiameter)
total_func_evals += function_evaluations[-1]
total_diameter += diameters[-1]
print("subdiameters (squared): %s" % diameters)
print("diameter (squared): %s" % total_diameter)
print("func_evals: %s => %s" % (function_evaluations, total_func_evals))
return
#######################################################################
# rank, bounds, and restart information
# (similar to concentration.variables)
#######################################################################
if __name__ == '__main__':
RVstart = 0; RVend = 2
lower_bounds = [-2.0,-2.0,-2.0]
upper_bounds = [ 2.0, 2.0, 2.0]
print(" function:\n %s * sin(x2) * x3" % poly1d(Chebyshev8))
print(" parameters: ['x1', 'x2', 'x3']")
print(" lower bounds: %s" % lower_bounds)
print(" upper bounds: %s" % upper_bounds)
print(" ...")
UQ(RVstart,RVend,lower_bounds,upper_bounds)