MLPACK
1.0.7
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The simple polynomial kernel. More...
Public Member Functions | |
PolynomialKernel (const double degree=2.0, const double offset=0.0) | |
Construct the Polynomial Kernel with the given offset and degree. More... | |
const double & | Degree () const |
Get the degree of the polynomial. More... | |
double & | Degree () |
Modify the degree of the polynomial. More... | |
template<typename VecType > | |
double | Evaluate (const VecType &a, const VecType &b) const |
Simple evaluation of the dot product. More... | |
const double & | Offset () const |
Get the offset of the dot product of the arguments. More... | |
double & | Offset () |
Modify the offset of the dot product of the arguments. More... | |
Private Attributes | |
double | degree |
The degree of the polynomial. More... | |
double | offset |
The offset of the dot product of the arguments. More... | |
The simple polynomial kernel.
For any two vectors ,
,
and
,
Definition at line 38 of file polynomial_kernel.hpp.
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inline |
Construct the Polynomial Kernel with the given offset and degree.
If the arguments are omitted, the default degree is 2 and the default offset is 0.
offset | Offset of the dot product of the arguments. |
degree | Degree of the polynomial. |
Definition at line 48 of file polynomial_kernel.hpp.
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inline |
Get the degree of the polynomial.
Definition at line 69 of file polynomial_kernel.hpp.
References degree.
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inline |
Modify the degree of the polynomial.
Definition at line 71 of file polynomial_kernel.hpp.
References degree.
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inline |
Simple evaluation of the dot product.
This evaluation uses Armadillo's dot() function.
VecType | Type of vector (should be arma::vec or arma::spvec). |
a | First vector. |
b | Second vector. |
Definition at line 63 of file polynomial_kernel.hpp.
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inline |
Get the offset of the dot product of the arguments.
Definition at line 74 of file polynomial_kernel.hpp.
References offset.
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inline |
Modify the offset of the dot product of the arguments.
Definition at line 76 of file polynomial_kernel.hpp.
References offset.
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private |
The degree of the polynomial.
Definition at line 80 of file polynomial_kernel.hpp.
Referenced by Degree(), and Evaluate().
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private |
The offset of the dot product of the arguments.
Definition at line 82 of file polynomial_kernel.hpp.
Referenced by Evaluate(), and Offset().