justinca
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16c55975c1
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Fix inverse_square_root, add cholesky decomposition options
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2010-01-22 22:28:03 +00:00 |
Kai Ni
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4b778a4e82
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fixed a bug in matrix solve function
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2010-01-22 06:45:01 +00:00 |
Alex Cunningham
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ac746ccead
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Improved performance of updateAb in NoiseModel with GSL/ATLAS. Various other small optimizations were made.
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2010-01-21 18:51:59 +00:00 |
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Alex Cunningham
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063aa14118
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Reimplemented matrix::householder_update using GSL and BLAS, you'll need to edit Makefile.am to enable the new version -- see email
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2010-01-21 00:59:33 +00:00 |
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Alex Cunningham
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5f588031bc
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Merged NoiseQR back into trunk
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2010-01-20 18:32:48 +00:00 |
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Alex Cunningham
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9c9007920a
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Changed the interface on Matrix::column() so that it uses the one in our library (now called column_() ) rather than the boost default. Currently, our implementation just uses the boost default, but this may change due to timing results.
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2010-01-20 16:08:14 +00:00 |
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Alex Cunningham
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98b143cd22
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Switched all loop indices in Matrix/Vector to size_t, with improved results in timeGaussianFactorGraph
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2010-01-20 14:42:05 +00:00 |
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Alex Cunningham
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6bc0462669
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Checked Matrix::collect() with different timing metric, and memcpy has approx 25% speedup over original version. Matrix_range is slower or the same speed as the original version.
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2010-01-20 13:45:22 +00:00 |
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Alex Cunningham
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55e414cbdd
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Tried noalias() for collect(), but no real improvement
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2010-01-20 03:25:55 +00:00 |
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Alex Cunningham
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03ec3e3e62
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Implemented a version of collect() using matrix_range, but it had worse performance than memcpy. New version of vector_scale[column] with new pointer arithmetic implementation for approx 20% improvement.
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2010-01-20 02:28:25 +00:00 |
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Alex Cunningham
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820ae5682d
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Optimized row version of vector_scale with approx 20% improvement
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2010-01-20 02:04:25 +00:00 |
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Alex Cunningham
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b860f06614
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Switched Matrix::collect() over to a memcpy, but the results weren't actually an improvement
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2010-01-20 01:42:36 +00:00 |
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Alex Cunningham
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f577b27f52
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Small optimizations on Matrix::collect(), additional timing capabilities, and now collect() can have dimensions specified to avoid need for lookup.
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2010-01-19 21:49:22 +00:00 |
Frank Dellaert
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ea14959835
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NoiseModel inhertance structure reversed, all constructors protected, new static "factories"
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2010-01-17 17:47:23 +00:00 |
Richard Roberts
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f0ae2c064e
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Merging in NoiseModel, not yet used though
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2010-01-16 18:39:39 +00:00 |
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Frank Dellaert
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a4d61d2f23
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Little performance twiddles that make little difference
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2010-01-16 07:22:34 +00:00 |
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Frank Dellaert
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91a0fb23df
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Weighted pseudo-inverse now takes weights (1/sigma^2). Does not make a lot of performance difference.
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2010-01-16 06:25:11 +00:00 |
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Frank Dellaert
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fb3e38b161
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25% performance increase by improving weighted_eliminate
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2010-01-16 04:57:58 +00:00 |
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Richard Roberts
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8d28763339
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Vector and Matrix initialization optimization
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2010-01-12 16:12:31 +00:00 |
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Frank Dellaert
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f1f21a8589
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inverted sign of square root to make inv sqrt positive for simple covariance matrices
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2010-01-10 13:53:31 +00:00 |
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Frank Dellaert
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15bb00683a
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transpose backsubstitute on upper-triangular matrix
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2009-12-30 13:20:16 +00:00 |
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Frank Dellaert
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c43cd425ab
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new back-substitution functions that can do unit triangular solves
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2009-12-29 13:59:34 +00:00 |
Chris Beall
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a7a5e5e816
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small performance improvement by using a pointer to address r
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2009-12-14 16:56:50 +00:00 |
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Chris Beall
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be10fc2a90
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18% performance boost by using pointer to address destination matrix A
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2009-12-11 23:59:37 +00:00 |
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Alex Cunningham
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d7c67532bf
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Changed format of Matrix::vector_scale() to switch arguments
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2009-12-08 21:10:38 +00:00 |
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Frank Dellaert
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16da0895a8
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square_root_inverse
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2009-12-08 20:48:13 +00:00 |
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Frank Dellaert
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152fa0069a
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fixed expected, actual nomenclature in assert_equal: always use (expected, equal) order
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2009-12-08 13:53:33 +00:00 |
Eohan George
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ae9789c9ee
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Cleaner printing with tabs after each element
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2009-12-02 23:01:49 +00:00 |
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Frank Dellaert
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f5fc14c0f4
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Fixed bug in revealing rank, even simpler than before.
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2009-11-13 06:16:56 +00:00 |
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Alex Cunningham
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77a1754b69
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Renamed LinearFactor -> GaussianFactor, LinearFactorGraph -> GaussianFactorGraph
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2009-11-12 16:16:32 +00:00 |
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Alex Cunningham
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f51614813e
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Improved weighted eliminate to handle arbitrary linear equality constraints
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2009-11-11 14:42:09 +00:00 |
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Alex Cunningham
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ddc0173671
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Basic handling of constraints now works in factor graphs, assuming there is only one constraint on any given variable.
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2009-11-10 04:36:07 +00:00 |
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Alex Cunningham
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2c37c94b5d
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Replaced the householder transform with the weighted system
Removed constrained components from makefile, they will disappear shortly
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2009-11-09 21:34:20 +00:00 |
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Alex Cunningham
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03985d16f6
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Fixed equality checking with NaNs in Matrix
removed extraneous print statement in Vector
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2009-11-09 16:57:30 +00:00 |
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Alex Cunningham
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7ef9ed950b
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Improved performance of matrix scaling in LinearFactor::matrix_augmented
Added matrix scaling functions to scale either the rows or columns by values from a vector
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2009-11-06 13:43:39 +00:00 |
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Richard Roberts
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e2414561be
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Merged r895:900 from branch weightedQR - LinearFactorGraph now has sigmas and ConditionalGaussian now has precisions
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2009-11-04 20:59:16 +00:00 |
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Alex Cunningham
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4c48bb08e1
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Vector and Matrix updated with improved weighted householder operations and more tests.
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2009-10-29 12:52:27 +00:00 |
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Alex Cunningham
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37bc303492
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Added weighted Householder transforms that use precisions perform QDR factorization. Functions create a weighted vector pseudoinverse, and then use the pseudoinverse to substitute a solution into system.
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2009-10-27 14:21:22 +00:00 |
Manohar Paluri
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0b1b5eca67
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Added const verifiers for member functions of the class which are compatible
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2009-08-26 15:25:47 +00:00 |
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Richard Roberts
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d80fa24a9f
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Fixing directory structure
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2009-08-21 22:23:24 +00:00 |