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import openturns as ot
from matplotlib import pyplot as plt
from openturns.viewer import View
f1 = ot.SymbolicFunction(["t"], ["sin(t)"])
f2 = ot.SymbolicFunction(["t"], ["cos(t)*cos(t)"])
myBasis = ot.Basis([f1, f2])
coefDis = ot.Normal([2] * 2, [5] * 2, ot.CorrelationMatrix(2))
myTG = ot.RegularGrid(0.0, 0.1, 250)
myFBP = ot.FunctionalBasisProcess(coefDis, myBasis, myTG)
TS = myFBP.getRealization()
graph = TS.draw()
graph.add(myFBP.getRealization().draw())
graph.add(myFBP.getRealization().draw())
graph.setTitle("Functional Basis Process")
fig = plt.figure(figsize=(10, 4))
fbp_axis = fig.add_subplot(111)
view = View(graph, figure=fig, axes=[fbp_axis], add_legend=False)
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