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from gpkit import Variable, Model, SignomialsEnabled
def gp_test_model(): x = Variable('x') y = Variable('y')
a = Variable('a', 0.6, pr=10) b = Variable('b', 0.5, pr=10)
constraints = [a * b * x + a * b * y <= 1, b * x / y + b * x * y + a*b**2 * x ** 2 <= 1] return Model((x * y) ** -1, constraints)
def sp_test_model(): x = Variable('x') y = Variable('y')
a = Variable('a', 0.6, pr=10) b = Variable('b', 0.5, pr=10)
with SignomialsEnabled(): constraints = [a * b * x + a * b * y <= 1 + a*x**2 + 0.5*b*x*y, b * x / y + b * x * y + a*b**2 * x ** 2 <= 1] return Model((x * y) ** -1, constraints)
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