MKLMulticlassGradient is a helper class for MKLMulticlass.
it solves the corresponding linear problem arising in SIP formulation for MKL using a gradient based approach
在文件 MKLMulticlassGradient.h 第 30 行定义.
Public 成员函数 | |
MKLMulticlassGradient () | |
virtual | ~MKLMulticlassGradient () |
MKLMulticlassGradient (MKLMulticlassGradient &gl) | |
MKLMulticlassGradient | operator= (MKLMulticlassGradient &gl) |
virtual void | setup (const int32_t numkernels2) |
virtual void | addconstraint (const ::std::vector< float64_t > &normw2, const float64_t sumofpositivealphas) |
virtual void | computeweights (std::vector< float64_t > &weights2) |
virtual const char * | get_name () const |
virtual void | set_mkl_norm (float64_t norm) |
virtual CSGObject * | shallow_copy () const |
virtual CSGObject * | deep_copy () const |
virtual bool | is_generic (EPrimitiveType *generic) const |
template<class T > | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
template<> | |
void | set_generic () |
void | unset_generic () |
virtual void | print_serializable (const char *prefix="") |
virtual bool | save_serializable (CSerializableFile *file, const char *prefix="") |
virtual bool | load_serializable (CSerializableFile *file, const char *prefix="") |
void | set_global_io (SGIO *io) |
SGIO * | get_global_io () |
void | set_global_parallel (Parallel *parallel) |
Parallel * | get_global_parallel () |
void | set_global_version (Version *version) |
Version * | get_global_version () |
SGStringList< char > | get_modelsel_names () |
void | print_modsel_params () |
char * | get_modsel_param_descr (const char *param_name) |
index_t | get_modsel_param_index (const char *param_name) |
void | build_gradient_parameter_dictionary (CMap< TParameter *, CSGObject * > *dict) |
virtual void | update_parameter_hash () |
virtual bool | parameter_hash_changed () |
virtual bool | equals (CSGObject *other, float64_t accuracy=0.0, bool tolerant=false) |
virtual CSGObject * | clone () |
Public 属性 | |
SGIO * | io |
Parallel * | parallel |
Version * | version |
Parameter * | m_parameters |
Parameter * | m_model_selection_parameters |
Parameter * | m_gradient_parameters |
uint32_t | m_hash |
Protected 成员函数 | |
void | linesearch2 (std::vector< float64_t > &finalbeta, const std::vector< float64_t > &oldweights) |
void | genbetas (::std::vector< float64_t > &weights, const ::std::vector< float64_t > &gammas) |
void | gengammagradient (::std::vector< float64_t > &gammagradient, const ::std::vector< float64_t > &gammas, const int32_t dim) |
float64_t | objectives (const ::std::vector< float64_t > &weights, const int32_t index) |
void | linesearch (std::vector< float64_t > &finalbeta, const std::vector< float64_t > &oldweights) |
virtual void | load_serializable_pre () throw (ShogunException) |
virtual void | load_serializable_post () throw (ShogunException) |
virtual void | save_serializable_pre () throw (ShogunException) |
virtual void | save_serializable_post () throw (ShogunException) |
Protected 属性 | |
int32_t | numkernels |
::std::vector< ::std::vector < float64_t > > | normsofsubkernels |
::std::vector< float64_t > | sumsofalphas |
float64_t | pnorm |
Class default Constructor
在文件 MKLMulticlassGradient.cpp 第 22 行定义.
|
virtual |
Class default Destructor
在文件 MKLMulticlassGradient.cpp 第 28 行定义.
Class Copy Constructor
在文件 MKLMulticlassGradient.cpp 第 40 行定义.
|
virtual |
adds a constraint to the LP arising in L1 MKL based on two parameters
normw2 | is the vector of \( \|w_k \|^2 \) for all kernels |
sumofpositivealphas | is a term depending on alphas, labels and biases, see in the function float64_t getsumofsignfreealphas() from MKLMulticlass.h, it depends on the formulation of the underlying GMNPSVM. |
重载 MKLMulticlassOptimizationBase .
在文件 MKLMulticlassGradient.cpp 第 66 行定义.
|
inherited |
Builds a dictionary of all parameters in SGObject as well of those of SGObjects that are parameters of this object. Dictionary maps parameters to the objects that own them.
dict | dictionary of parameters to be built. |
在文件 SGObject.cpp 第 597 行定义.
|
virtualinherited |
Creates a clone of the current object. This is done via recursively traversing all parameters, which corresponds to a deep copy. Calling equals on the cloned object always returns true although none of the memory of both objects overlaps.
在文件 SGObject.cpp 第 714 行定义.
|
virtual |
computes MKL weights
weights2 | stores the new weights |
重载 MKLMulticlassOptimizationBase .
在文件 MKLMulticlassGradient.cpp 第 451 行定义.
|
virtualinherited |
A deep copy. All the instance variables will also be copied.
在文件 SGObject.cpp 第 198 行定义.
Recursively compares the current SGObject to another one. Compares all registered numerical parameters, recursion upon complex (SGObject) parameters. Does not compare pointers!
May be overwritten but please do with care! Should not be necessary in most cases.
other | object to compare with |
accuracy | accuracy to use for comparison (optional) |
tolerant | allows linient check on float equality (within accuracy) |
在文件 SGObject.cpp 第 618 行定义.
|
protected |
helper routine for MKL optimization, computes form manifold coordinates the point on the manifold
gammas | - manifold coordinates |
weights | - the point on the manifold |
在文件 MKLMulticlassGradient.cpp 第 73 行定义.
|
protected |
helper routine for MKL optimization, computes greadient of manifold parametrization for one coordinate
gammagradient | - gradient |
gammas | - manifold coordinates |
dim | - the coordinate for which thegradient is to be computed |
在文件 MKLMulticlassGradient.cpp 第 103 行定义.
|
inherited |
|
inherited |
|
inherited |
|
inherited |
在文件 SGObject.cpp 第 498 行定义.
|
inherited |
Returns description of a given parameter string, if it exists. SG_ERROR otherwise
param_name | name of the parameter |
在文件 SGObject.cpp 第 522 行定义.
|
inherited |
Returns index of model selection parameter with provided index
param_name | name of model selection parameter |
在文件 SGObject.cpp 第 535 行定义.
|
virtual |
|
virtualinherited |
If the SGSerializable is a class template then TRUE will be returned and GENERIC is set to the type of the generic.
generic | set to the type of the generic if returning TRUE |
在文件 SGObject.cpp 第 296 行定义.
|
protected |
helper routine for MKL optimization, performs linesearch
oldweights | - MKL weights to start from |
finalbeta | - new MKL weights |
在文件 MKLMulticlassGradient.cpp 第 155 行定义.
|
protected |
helper routine for MKL optimization, performs linesearch
oldweights | - MKL weights to start from |
finalbeta | - new MKL weights |
在文件 MKLMulticlassGradient.cpp 第 373 行定义.
|
virtualinherited |
Load this object from file. If it will fail (returning FALSE) then this object will contain inconsistent data and should not be used!
file | where to load from |
prefix | prefix for members |
在文件 SGObject.cpp 第 369 行定义.
|
protectedvirtualinherited |
Can (optionally) be overridden to post-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::LOAD_SERIALIZABLE_POST is called.
ShogunException | will be thrown if an error occurs. |
被 CKernel, CWeightedDegreePositionStringKernel, CList, CAlphabet, CLinearHMM, CGaussianKernel, CInverseMultiQuadricKernel, CCircularKernel , 以及 CExponentialKernel 重载.
在文件 SGObject.cpp 第 426 行定义.
|
protectedvirtualinherited |
Can (optionally) be overridden to pre-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::LOAD_SERIALIZABLE_PRE is called.
ShogunException | will be thrown if an error occurs. |
被 CDynamicArray< T >, CDynamicArray< float64_t >, CDynamicArray< float32_t >, CDynamicArray< int32_t >, CDynamicArray< char >, CDynamicArray< bool > , 以及 CDynamicObjectArray 重载.
在文件 SGObject.cpp 第 421 行定义.
helper routine for MKL optimization, computes optimization objective for one contraint
weights | - MKL weights |
index | - index of constraint |
在文件 MKLMulticlassGradient.cpp 第 139 行定义.
MKLMulticlassGradient operator= | ( | MKLMulticlassGradient & | gl | ) |
Class Assignment operator
在文件 MKLMulticlassGradient.cpp 第 33 行定义.
|
virtualinherited |
在文件 SGObject.cpp 第 262 行定义.
|
inherited |
prints all parameter registered for model selection and their type
在文件 SGObject.cpp 第 474 行定义.
|
virtualinherited |
|
virtualinherited |
Save this object to file.
file | where to save the object; will be closed during returning if PREFIX is an empty string. |
prefix | prefix for members |
在文件 SGObject.cpp 第 314 行定义.
|
protectedvirtualinherited |
Can (optionally) be overridden to post-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::SAVE_SERIALIZABLE_POST is called.
ShogunException | will be thrown if an error occurs. |
被 CKernel 重载.
在文件 SGObject.cpp 第 436 行定义.
|
protectedvirtualinherited |
Can (optionally) be overridden to pre-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::SAVE_SERIALIZABLE_PRE is called.
ShogunException | will be thrown if an error occurs. |
被 CKernel, CDynamicArray< T >, CDynamicArray< float64_t >, CDynamicArray< float32_t >, CDynamicArray< int32_t >, CDynamicArray< char >, CDynamicArray< bool > , 以及 CDynamicObjectArray 重载.
在文件 SGObject.cpp 第 431 行定义.
|
inherited |
在文件 SGObject.cpp 第 41 行定义.
|
inherited |
在文件 SGObject.cpp 第 46 行定义.
|
inherited |
在文件 SGObject.cpp 第 51 行定义.
|
inherited |
在文件 SGObject.cpp 第 56 行定义.
|
inherited |
在文件 SGObject.cpp 第 61 行定义.
|
inherited |
在文件 SGObject.cpp 第 66 行定义.
|
inherited |
在文件 SGObject.cpp 第 71 行定义.
|
inherited |
在文件 SGObject.cpp 第 76 行定义.
|
inherited |
在文件 SGObject.cpp 第 81 行定义.
|
inherited |
在文件 SGObject.cpp 第 86 行定义.
|
inherited |
在文件 SGObject.cpp 第 91 行定义.
|
inherited |
在文件 SGObject.cpp 第 96 行定义.
|
inherited |
在文件 SGObject.cpp 第 101 行定义.
|
inherited |
在文件 SGObject.cpp 第 106 行定义.
|
inherited |
在文件 SGObject.cpp 第 111 行定义.
|
inherited |
set generic type to T
|
inherited |
|
inherited |
|
inherited |
|
virtual |
sets p-norm parameter for MKL
norm | the MKL norm |
重载 MKLMulticlassOptimizationBase .
在文件 MKLMulticlassGradient.cpp 第 58 行定义.
|
virtual |
initializes solver
numkernels2 | is the number of kernels |
重载 MKLMulticlassOptimizationBase .
在文件 MKLMulticlassGradient.cpp 第 47 行定义.
|
virtualinherited |
A shallow copy. All the SGObject instance variables will be simply assigned and SG_REF-ed.
被 CGaussianKernel 重载.
在文件 SGObject.cpp 第 192 行定义.
|
inherited |
unset generic type
this has to be called in classes specializing a template class
在文件 SGObject.cpp 第 303 行定义.
|
virtualinherited |
Updates the hash of current parameter combination
在文件 SGObject.cpp 第 248 行定义.
|
inherited |
io
在文件 SGObject.h 第 369 行定义.
|
inherited |
parameters wrt which we can compute gradients
在文件 SGObject.h 第 384 行定义.
|
inherited |
Hash of parameter values
在文件 SGObject.h 第 387 行定义.
|
inherited |
model selection parameters
在文件 SGObject.h 第 381 行定义.
|
inherited |
parameters
在文件 SGObject.h 第 378 行定义.
|
protected |
stores normsofsubkernels which is a constraint, normsofsubkernels[i] belongs to the i-th constraint
在文件 MKLMulticlassGradient.h 第 134 行定义.
|
protected |
stores the number of kernels which acts as a parameter for the LP
在文件 MKLMulticlassGradient.h 第 130 行定义.
|
inherited |
parallel
在文件 SGObject.h 第 372 行定义.
|
protected |
stores the L^p norm which acts as a parameter for the LP
在文件 MKLMulticlassGradient.h 第 138 行定义.
|
protected |
stores the bias type term of constraints, sumsofalphas[i] belongs to the i-th constraint
在文件 MKLMulticlassGradient.h 第 136 行定义.
|
inherited |
version
在文件 SGObject.h 第 375 行定义.