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# The small GP of section 9.3 (Geometric programming).
from cvxopt import matrix, log, exp, solvers
Aflr = 1000.0
Awall = 100.0
alpha = 0.5
beta = 2.0
gamma = 0.5
delta = 2.0
F = matrix( [[-1., 1., 1., 0., -1., 1., 0., 0.],
[-1., 1., 0., 1., 1., -1., 1., -1.],
[-1., 0., 1., 1., 0., 0., -1., 1.]])
g = log( matrix( [1.0, 2/Awall, 2/Awall, 1/Aflr, alpha, 1/beta, gamma,
1/delta]) )
K = [1, 2, 1, 1, 1, 1, 1]
h, w, d = exp( solvers.gp(K, F, g)['x'] )
print("\n h = %f, w = %f, d = %f.\n" %(h,w,d))
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