 vasiloglou
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ef2fdfb8c3
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the bug in the gradient was found now it is working but it seems to me that the minimum has a lot of points
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2008-05-27 06:14:27 +00:00 |
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Dongryeol Lee
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ce471f9889
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Current stable version.
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2008-05-27 00:54:13 +00:00 |
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(no author)
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41ad633d68
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- |
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vasiloglou
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322e57a959
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some problems resolved, the barrier is not working properly, there is the problem
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2008-05-26 08:28:02 +00:00 |
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vasiloglou
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f660925df4
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the convex mvu is sort of working not sure yet, the results are poor
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2008-05-26 05:39:34 +00:00 |
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vasiloglou
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89bdb6f565
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extended copy for matrices
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2008-05-26 05:38:38 +00:00 |
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Dongryeol Lee
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e5227ed824
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Fixed the bug that caused FurthestColumnIndex column to return -1 as the index.
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2008-05-26 03:03:39 +00:00 |
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vasiloglou
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70b4c58484
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it is running for a small matrix with 31% error and it seems to me something is
wrong, LBFGS keeps failing, while it shouldn't
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2008-05-26 02:38:15 +00:00 |
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Dongryeol Lee
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f058da938d
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Minor bug fix plus now the far-field expansion of the matrix-factorized version stores the maximum incurred error in approximation.
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2008-05-25 19:56:53 +00:00 |
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Dongryeol Lee
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e7c208d13f
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Works reasonable well - now need to enforce that the local moments are actually pushed downwards whenever the query tree is recursed so that we get a tighter lower bound.
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2008-05-25 19:56:00 +00:00 |
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vasiloglou
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b5ba2d5d57
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now it looks more stable but doesn't converge yet
i will better check it with a smaller matrix
Probably the gradient is wrong
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2008-05-25 04:44:18 +00:00 |
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vasiloglou
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44ebad5424
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gradient gets nan, probably because somethins is unitialized
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2008-05-24 22:20:04 +00:00 |
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vasiloglou
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c42b64efb8
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compiled
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2008-05-24 21:07:42 +00:00 |
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Parikshit Ram
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68c74490b2
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updating main and optimizers_reloaded.h
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2008-05-24 21:03:50 +00:00 |
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Parikshit Ram
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0a1cc530e8
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SMD multi step added with fast Hv product in main
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2008-05-24 20:59:42 +00:00 |
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Parikshit Ram
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b779c59708
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distances changed and exptl folder added
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2008-05-24 20:54:05 +00:00 |
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vasiloglou
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167af932f7
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addded more files
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2008-05-24 19:58:44 +00:00 |
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vasiloglou
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e510a16978
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Our last attempt to make sdp nmf work
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2008-05-24 03:22:56 +00:00 |
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jwaters6
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c46a49b7dd
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Changed kdtree_impl functions to pass by reference (when applicable)
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2008-05-23 19:57:54 +00:00 |
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jwaters6
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a2e5f9041c
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Revised kdtree & bounds updates to merge changes
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2008-05-23 16:06:54 +00:00 |
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rriegel
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e0e859b901
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todo at top of allnn.h
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2008-05-23 08:21:33 +00:00 |
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vasiloglou
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985f0b68ed
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changes name
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2008-05-23 04:48:36 +00:00 |
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vasiloglou
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b5b15f16c3
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It turns out SDP with rank one gives the same error with just simple NMF
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2008-05-23 04:42:04 +00:00 |
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Dongryeol Lee
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a10d6655d6
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A minor change to the code that involves how to compute the ending index of the points owned by the node.
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2008-05-23 00:54:49 +00:00 |
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Dongryeol Lee
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031150ba59
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A little tweak in the number of samples to take in CUR decomposition - this needs to be automated!
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2008-05-23 00:47:35 +00:00 |
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Dongryeol Lee
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6dffee972a
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Bug fix in forming the outgoing representation - incorrect matrix-vector multiplication has been fixed.
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2008-05-23 00:12:23 +00:00 |
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Dongryeol Lee
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0a75b435e5
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Reverted back to the old CUR version... Now need to debug...
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2008-05-22 23:35:16 +00:00 |
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vasiloglou
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4976c5e848
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Put the code in order, and ready to play with the original formulation
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2008-05-22 23:05:00 +00:00 |
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Dongryeol Lee
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0cd9faa025
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A segmentation fault fix.
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2008-05-22 13:48:10 +00:00 |
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vasiloglou
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d9ae0ec7ca
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it seems to run very well for rank one only although I haven't checked the results
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2008-05-22 04:43:58 +00:00 |
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Dongryeol Lee
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90e4d29e3b
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A minor fix to the matrix-factorized FMM. Still need to figure out how to do error bounds.
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2008-05-22 02:40:53 +00:00 |
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Dongryeol Lee
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5b2c49e878
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Updated the matrix-factorized fmm to use exact cur decomposition with pivotting qr.
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2008-05-22 02:39:35 +00:00 |
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Bill March
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4d6942ba98
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fixed symmetry and hybrid error
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2008-05-21 18:27:00 +00:00 |
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vasiloglou
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c48abf6bad
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it is running now!!!!!
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2008-05-21 14:28:15 +00:00 |
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vasiloglou
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0079c3a637
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it seems to work , needs to add an svd on the results, svd on matlab showed positive eigen_vector
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2008-05-21 04:58:07 +00:00 |
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vasiloglou
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5fec2cbf11
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fixed the error in the gradient now minimizes
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2008-05-21 04:39:49 +00:00 |
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Dongryeol Lee
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afe908b6de
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Some minor fixes to the matrix factorized series expansion.
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2008-05-21 01:32:12 +00:00 |
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Dongryeol Lee
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df18fbdad0
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It works sort of - I need to figure out how to do automatic error control at least probabilistically.
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2008-05-21 01:31:46 +00:00 |
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vasiloglou
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50acdc0af0
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compiled but doesn't run properly yet
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2008-05-20 22:43:01 +00:00 |
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(no author)
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071064e1e1
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- |
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jwaters6
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40867b44cc
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2008-05-20 19:44:34 +00:00 |
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jwaters6
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cd55332024
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2008-05-20 19:38:58 +00:00 |
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vasiloglou
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388453d943
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close to compiling
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2008-05-20 19:14:52 +00:00 |
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vasiloglou
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6b59a6daff
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added more files
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2008-05-20 18:20:28 +00:00 |
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vasiloglou
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4d65a5c7e7
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first commit
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2008-05-20 03:17:13 +00:00 |
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Dongryeol Lee
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f0d1921623
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Need to implement the canonical dual-tree recursion and debug...
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2008-05-20 02:18:35 +00:00 |
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tekhnofiend
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561c985bad
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2008-05-20 02:18:26 +00:00 |
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Dongryeol Lee
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b5ec42b29b
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Implemented the evaluation method for matrix-factorized local expansion.
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2008-05-20 02:18:08 +00:00 |
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tekhnofiend
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9185b5daa4
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2008-05-20 02:17:24 +00:00 |
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tekhnofiend
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6989db828a
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2008-05-20 02:11:23 +00:00 |
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