gurls::KernelLinear< T > Class Template Reference

KernelLinear is the sub-class of Kernel that builds the kernel matrix for a linear model.

#include <linearkernel.h>

Inheritance diagram for gurls::KernelLinear< T >:

Collaboration diagram for gurls::KernelLinear< T >:

List of all members.

Public Member Functions
GurlsOptionsList *	execute (const gMat2D< T > &X, const gMat2D< T > &Y, const GurlsOptionsList &opt) throw (gException)
	Builds the symmetric kernel matrix of matrix X for a linear model.
Static Public Member Functions
static Kernel< T > *	factory (const std::string &id) throw (BadKernelCreation)
	Factory function returning a pointer to the newly created object.

---

Detailed Description

template<typename T>
class gurls::KernelLinear< T >

Definition at line 59 of file linearkernel.h.

---

Member Function Documentation

template<typename T >

GurlsOptionsList * gurls::KernelLinear< T >::execute	(	const gMat2D< T > &	X,
		const gMat2D< T > &	Y,
		const GurlsOptionsList &	opt
	)		throw (gException) [virtual]

Parameters:

X	input data matrix
Y	labels matrix
opt	not udes

Returns:

kernel, a GurslOptionList with the following fields:

• type = "linear"
• K = the kernel matrix

Implements gurls::Kernel< T >.

Definition at line 77 of file linearkernel.h.

{

    GurlsOptionsList* kernel = new GurlsOptionsList("kernel");
    kernel->addOpt("type", "linear");

    gMat2D<T>* K = new gMat2D<T>(X.rows(), X.rows());

    dot(X.getData(), X.getData(), K->getData(), X.rows(), X.cols(), X.rows(), X.cols(), K->rows(), K->cols(), CblasNoTrans, CblasTrans, CblasColMajor);

    kernel->addOpt("K", new OptMatrix<gMat2D<T> >(*K));

    return kernel;
}

template<typename T>

static Kernel<T>* gurls::Kernel< T >::factory

(

const std::string &

id

)

throw (BadKernelCreation) [inline, static, inherited]

Warning:

The returned pointer is a plain, un-managed pointer. The calling function is responsible of deallocating the object.

Definition at line 110 of file kernel.h.

    {
        if(id == "linear")
            return new KernelLinear<T>;
        if(id == "rbf")
            return new KernelRBF<T>;
        if(id == "chisquared")
            return new KernelChisquared<T>;

        throw BadKernelCreation(id);
    }

---

The documentation for this class was generated from the following file:

• linearkernel.h