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31 lines
846 B
Python
31 lines
846 B
Python
# Copyright (c) 2012, GPy authors (see AUTHORS.txt).
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# Licensed under the BSD 3-clause license (see LICENSE.txt)
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try:
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import pylab as pb
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except:
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pass
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#import numpy as np
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#import Tango
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#from base_plots import gpplot, x_frame1D, x_frame2D
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def plot_optimizer(optimizer):
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if optimizer.trace == None:
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print("No trace present so I can't plot it. Please check that the optimizer actually supplies a trace.")
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else:
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pb.figure()
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pb.plot(optimizer.trace)
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pb.xlabel('Iteration')
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pb.ylabel('f(x)')
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def plot_sgd_traces(optimizer):
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pb.figure()
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pb.subplot(211)
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pb.title('Parameters')
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for k in optimizer.param_traces.keys():
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pb.plot(optimizer.param_traces[k], label=k)
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pb.legend(loc=0)
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pb.subplot(212)
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pb.title('Objective function')
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pb.plot(optimizer.fopt_trace)
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