Beispiel #1
0
	def test_models(self):
		_, Ms = get()
		for M in Ms:
			assert isinstance(M.name, str)
			E = M.n_outputs
			assert isinstance(E, int)

			xb = M.x_bounds
			pb = M.p_bounds
			assert isinstance(xb, np.ndarray)
			assert isinstance(pb, np.ndarray)
			x = np.random.uniform(xb[:,0],xb[:,1])
			p = np.random.uniform(pb[:,0],pb[:,1])

			x[2] = 0
			y = M( x, p )
			assert y.shape == (E,)
			D = len(p)
			y, dy = M( x, p, grad=True )
			assert y.shape == (E,)
			assert dy.shape == (E,D)

			x[2] = 1
			y = M( x, p )
			assert y.shape == (E,)
			D = len(p)
			y, dy = M( x, p, grad=True )
			assert y.shape == (E,)
			assert dy.shape == (E,D)
Beispiel #2
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	def test_datagen(self):
		M, Ms = get()
		assert isinstance(M.truemodel, int)
		assert isinstance(M.measvar, (float,np.ndarray))

		E  = Ms[0].n_outputs
		xb = Ms[0].x_bounds
		x  = np.random.uniform(xb[:,0],xb[:,1])

		x[2] = 0
		y  = M( x )
		assert y.shape == (E,)

		x[2] = 1
		y  = M( x )
		assert y.shape == (E,)
Beispiel #3
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	def test_overflow_protection (self):
		M     = get()[1][4]
		x, p  = np.array([1., 0.01, 0]), 0.025
		C, dC = M(x,p,grad=True)
		assert 0.999 <= C[0] <= 1.001
		assert -0.001 <= dC[0,0] <= 0.001
Beispiel #4
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	def test_name (self):
		i   = 1
		M,_ = get(i)
		assert isinstance(M.name,str)
		assert M.name == 'M2'
Beispiel #5
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                self.plot_prediction(ax, c, mu, s2)
        plt.suptitle(
            'Marginal predictive distributions at suggested next designs')
        plt.tight_layout(True)
        plt.subplots_adjust(top=0.85)
        plt.show()


##################
###            ###
###  D E M O   ###
###            ###
##################

print("== Loading case study ==")
measurement, models = mixing.get(i=2)
print("Number of models: %d" % len(models))

x_bounds = measurement.x_bounds  # Design variable bounds
dim_x = len(x_bounds)  # Number of design variables
measvar = measurement.measvar  # Measurement noise variance
E = 1  # Number of outputs/target dimensions

# Initial observations.
X = np.array([[20., 0.50, 0], [20., 0.75, 0]])
Y = np.array([[0.766], [0.845]])
"""
Initialise the GP surrogate models
"""
Ms = []
print("== Initialising models ==")