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plotting changes

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This commit is contained in:
James Hensman 2013-01-11 18:04:22 +00:00
parent c949da2d67
commit 4d36dd1b15
1 changed files with 4 additions and 2 deletions
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6
grid_parameters.py
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@ -34,7 +34,7 @@ for l,v in zip(xx.flatten(),yy.flatten()):
[m.set('lengthscale',l) for m in models]
[m.set('rbf_variance',10.**v) for m in models]
lls.append(models[0].log_likelihood())
cgs.append([m.checkgrad(verbose=0) for m in models])
cgs.append([m.checkgrad(verbose=0,return_ratio=True) for m in models])
lls = np.array(lls).reshape(resolution,resolution)
cgs = np.array(zip(*cgs),dtype=np.float64).reshape(-1,resolution,resolution)
@ -42,5 +42,7 @@ cgs = np.array(zip(*cgs),dtype=np.float64).reshape(-1,resolution,resolution)
for cg in cgs:
pb.figure()
pb.contourf(xx,yy,lls,cmap=pb.cm.jet)
pb.scatter(xx.flatten(),yy.flatten(),12,cg.flatten(),cmap=pb.cm.gray)
pb.colorbar()
pb.scatter(xx.flatten(),yy.flatten(),20,np.log(np.abs(cg.flatten())),cmap=pb.cm.gray,linewidth=0)
pb.colorbar()