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Author SHA1 Message Date
James Hensman
cd6cc9b9b9 separated out untransform_params, enabling flexibility downstream 2013-05-17 10:28:10 +01:00
Neil Lawrence
394fce68de Merge branch 'devel' of https://github.com/SheffieldML/GPy into devel 2013-05-17 10:04:27 +01:00
Neil Lawrence
c17cd3b97b Need to commit to resolve a conflict ... 2013-05-17 10:04:06 +01:00
Teo de Campos
6b47d28e7e Merge branch 'devel' of github.com:SheffieldML/GPy into devel 2013-05-16 17:14:50 +01:00
Teo de Campos
3fc14bb416 modified: GPy/models/GPLVM.py 
Using the following kernel by default:
kernel = kern.rbf(Q, ARD=Q>1) + kern.bias(Q, np.exp(-2)) + kern.white(Q, np.exp(-2))
 2013-05-16 17:13:39 +01:00
Teo de Campos
ea34f8c949 modified: GPy/util/visualize.py 
Added the functionality of showing a mosaic of NxN reconstructed images
when the size of the number of elements in the feature vector greater
than dimensions[0]*dimensions[1].
 2013-05-16 17:09:58 +01:00
Teo de Campos
70459be588 modified: GPy/examples/dimensionality_reduction.py 
brendan_faces(): normalizing the feature vectors w.r.t. the
global mean and standard deviation.
Changed optimisation constraints because it was never converging.
 2013-05-16 17:08:05 +01:00
Nicolo Fusi
b29e4eb690 Merge branch 'devel' of github.com:SheffieldML/GPy into devel 2013-05-16 17:01:07 +01:00
Max Zwiessele
d63e03e1bd readded float variance 2013-05-16 16:59:46 +01:00
Nicolo Fusi
1515ef5bdb Merge branch 'devel' of github.com:SheffieldML/GPy into devel 2013-05-16 16:52:16 +01:00
Max Zwiessele
25bcf233f3 max_bound adjust 2013-05-16 16:24:06 +01:00
Max Zwiessele
a3be00f619 swiss_roll example changes 2013-05-16 16:12:26 +01:00
Max Zwiessele
66b96cb3d3 catch beta > 0 not needed anymore 2013-05-16 16:12:15 +01:00
Max Zwiessele
0092ad9403 swiss_roll adjustments 2013-05-16 16:02:49 +01:00
Max Zwiessele
ba4bd50924 stability enhancing clipping in logexp_clipped and reverse of stability clipping of parameters 2013-05-16 15:17:54 +01:00
Max Zwiessele
524c6e26bf added propper clipping, before overflow happens 2013-05-16 14:09:02 +01:00
Max Zwiessele
7bbc5cbcde added proper linebeak for SCG printing 2013-05-16 14:07:44 +01:00
Nicolo Fusi
c35ef89648 Merge branch 'devel' of github.com:SheffieldML/GPy into devel 2013-05-16 13:50:31 +01:00
Nicolo Fusi
59d866907b changes in SGD 2013-05-16 13:50:16 +01:00
Max Zwiessele
8cd31a83d6 Merge branch 'mrd' into devel 2013-05-16 13:49:18 +01:00
Max Zwiessele
93d517f24e swiss_roll example added, BGPLVM_oil now working 2013-05-16 13:47:55 +01:00
Max Zwiessele
61a79c5041 clipping bounds released to 1e6 2013-05-16 13:47:33 +01:00
Max Zwiessele
23eaf12788 clipping now upper bound adjustable 2013-05-16 13:45:07 +01:00
Max Zwiessele
d5c5c666a9 added .orig and noseid files to be ignored 2013-05-16 13:39:36 +01:00
Max Zwiessele
7a8d8be295 minor formatting changes 2013-05-16 13:30:39 +01:00
Max Zwiessele
835632e985 WARNING: added parameter clipping for catching infinity problems [p in (-1e300, 1e300)] 2013-05-16 13:29:56 +01:00
Max Zwiessele
8bc31d4a9c printing improved 2013-05-16 13:27:05 +01:00
Alan Saul
48d693791e changed name 2013-05-16 12:22:37 +01:00
Alan Saul
e5d7ee9728 FIXED DYTIL_DFHAT 2013-05-16 12:06:09 +01:00
Alan Saul
21ae81de29 Workong on doing explicit gradients 2013-05-16 12:00:15 +01:00
Alan Saul
569311b510 Gradients almost there for dytil_dfhat, diagonal terms are right 2013-05-15 19:25:55 +01:00
Ricardo
639b6a6b9d prediction returns Nx1 vectors 2013-05-15 18:13:49 +01:00
Ricardo
df9700c412 chol_inv added somewhere 2013-05-15 18:12:50 +01:00
Ricardo
d0942a7bfd chol_inv added somewhere 2013-05-15 18:12:32 +01:00
Ricardo
95cb52d4a5 convenient but not important changes 2013-05-15 18:12:10 +01:00
Ricardo
053bef0583 Merge branch 'devel' of github.com:SheffieldML/GPy into devel 2013-05-15 16:32:49 +01:00
Ricardo
56ffcf6c0e Test corrected, by Nicolas 2013-05-15 16:32:35 +01:00
Ricardo
5a489cf1ac EP case is working fine 2013-05-15 16:27:29 +01:00
Ricardo
9431cb2d55 Some changes to speed up... just a little 2013-05-15 16:26:33 +01:00
Ricardo
2052463ba7 Explanation added to DSYR 2013-05-15 16:25:40 +01:00
James Hensman
f69dda71ea changed prod_orthogonal in tests 2013-05-15 15:07:35 +01:00
James Hensman
92b4b42a49 Merge branch 'devel' of github.com:SheffieldML/GPy into devel 2013-05-15 14:13:09 +01:00
Ricardo
4e827e913d Some changes 2013-05-15 02:01:08 +01:00
Teo de Campos
3cbe492678 Merge branch 'devel' of github.com:SheffieldML/GPy into devel 2013-05-14 17:53:43 +01:00
Teo de Campos
98a2adc7d9 GPy/util/visualize.py: fixed conflict. 2013-05-14 17:52:23 +01:00
Ricardo
c8341e32fa Merge branch 'devel' of github.com:SheffieldML/GPy into devel 2013-05-14 17:47:26 +01:00
Ricardo
adc3a7522a Speeding up FITC 2013-05-14 17:46:58 +01:00
Teo de Campos
68041174cd Ricardo told me to do this 2013-05-14 17:42:36 +01:00
Teo de Campos
a88eadbb35 image_show() is now able to use a palette to map quantized images to their original color. This uses PIL (import Image). I also enabled the image to be normalised from 0 to 255 in a more robust way (before this, it was assuming images ranged from 0 to 1). 2013-05-14 17:35:16 +01:00
Alan Saul
cad2c271eb merged with devel 2013-05-14 16:26:57 +01:00