Commits · 28c2dd2c1689837747d6d55f93e180e4145be8b6 · 钟尚武 / dlib

05 Dec, 2010 7 commits

Changed code for the LM/quasi-newton model around a little to avoid · 28c2dd2c

Davis King authored Dec 04, 2010

repeated calculation of things and also added some checks for division
by zero.

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28c2dd2c

Changed the LM function model so that it computes the gradient · 1f73eca7

Davis King authored Dec 04, 2010

and hessian without creating an explicit Jacobian matrix.

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1f73eca7

updated docs · 7c424cef

Davis King authored Dec 04, 2010

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7c424cef

Added an example program showing how to use the least squares optimization · c20fb45c
Davis King authored Dec 04, 2010
```
routines.

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c20fb45c

Added a test for the any object. · 7488d6f5

Davis King authored Dec 04, 2010

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7488d6f5

updated docs · cfc0f1be

Davis King authored Dec 04, 2010

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cfc0f1be

Added an any container object. · 30e8807f

Davis King authored Dec 04, 2010

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30e8807f

04 Dec, 2010 3 commits

Cleaned up a comment slightly. · 47e81212

Davis King authored Dec 04, 2010

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47e81212

Clarified spec · ead500e0

Davis King authored Dec 04, 2010

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ead500e0

minor changes to avoid a compiler bug in visual studio 2005 · 751098c0
Davis King authored Dec 03, 2010
```
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751098c0

03 Dec, 2010 7 commits

Told the eigenvalue decomposition to always use the symmetric · 048ad318
Davis King authored Dec 03, 2010
```
eigen solver.

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048ad318

Fixed a compiler warning and also a runtime bug in sort_basis_vectors(). · 58d685d0

Davis King authored Dec 02, 2010

The bug triggered when all the basis vectors were included in the final
answer.

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58d685d0

Updated docs · b4542c43

Davis King authored Dec 02, 2010

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b4542c43

Replaced a funny character with the normal ASCII one. · 4ac5c193
Davis King authored Dec 02, 2010
```
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4ac5c193

Added a spec for the least squares stuff · 81c0f74a

Davis King authored Dec 02, 2010

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81c0f74a

Minor cosmetic changes to spec · 381c3c12

Davis King authored Dec 02, 2010

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381c3c12

- Added a missing operator*() for diagonal by diagonal matrix multiplication. · e9df8898

Davis King authored Dec 02, 2010

   Without it you would get an error about multiplication being ambiguous
   in this case.
 - Added an overload to catch expressions of the form diag_matrix*regular_matrix*diag_matrix
   and turn them into a form which is slightly more numerically stable in some cases.

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e9df8898

02 Dec, 2010 3 commits

Fixed grammar in a comment. · 5faadcbf

Davis King authored Dec 02, 2010

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5faadcbf

Made the rosen test a little more reasonable. · 0ec7feb2
Davis King authored Dec 02, 2010
```
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0ec7feb2

Minor change to avoid compiler warning. · c573d88e

Davis King authored Dec 01, 2010

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c573d88e

01 Dec, 2010 5 commits
- Added tests for the least squares code. · 9ea9e092
  Davis King authored Dec 01, 2010
```
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  9ea9e092
- Added some more optimization tests. · 9a67ee4c
  Davis King authored Dec 01, 2010
```
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  9a67ee4c
- Added an #include for the least squares stuff · 1c6b473b
  Davis King authored Dec 01, 2010
```
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  1c6b473b
- Added an initial version of some least squares solvers. · 5fca3dc4
  Davis King authored Dec 01, 2010
```
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  5fca3dc4
- Minor changes to make code more robust. · 291991b6
  Davis King authored Dec 01, 2010
```
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  291991b6
29 Nov, 2010 3 commits
- added missing public: qualifier. · b73c6b03
  Davis King authored Nov 28, 2010
```
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  b73c6b03
- Made the trust region solver more robust. · 298a856b
  Davis King authored Nov 28, 2010
```
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  298a856b
- Upgraded the derivative() function so it can work on functions with two arguments. · 0b31ba64
  Davis King authored Nov 28, 2010
```
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  0b31ba64
27 Nov, 2010 3 commits

updated docs · 9e863f9b

Davis King authored Nov 26, 2010

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9e863f9b

Added a trust region optimizer. · 682f6b3d

Davis King authored Nov 26, 2010

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682f6b3d

Added some comments to the spec. · 571aff20

Davis King authored Nov 26, 2010

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571aff20

26 Nov, 2010 1 commit

Fixed grammar. · ab0b14ad

Davis King authored Nov 26, 2010

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ab0b14ad

21 Nov, 2010 2 commits

Added some comments about how chol() behaves. · f75c343f
Davis King authored Nov 21, 2010
```
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f75c343f

Added a bunch of overloads to catch operations on diagonal matrices · 7a479f80

Davis King authored Nov 21, 2010

and use more efficient code paths for them.  For example, inv(diagm(d))
turns into diagm(reciprocal(d)).

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7a479f80

20 Nov, 2010 1 commit

Fixed tabbing · d031d605

Davis King authored Nov 20, 2010

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d031d605

19 Nov, 2010 2 commits

updated docs · 28f2c0df

Davis King authored Nov 19, 2010

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28f2c0df

Added missing comment about the QP needing to be convex. · 176b3db2
Davis King authored Nov 19, 2010
```
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176b3db2

18 Nov, 2010 3 commits

Updated example · 97a37ae3

Davis King authored Nov 18, 2010

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97a37ae3

Updated matrix example. · 674fd7aa

Davis King authored Nov 18, 2010

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674fd7aa

Added the ability to add/subtract scalar values to/from all the elements of a matrix · 88b37e6d
Davis King authored Nov 18, 2010
```
using the - and + operators.

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88b37e6d