The well known Gaussian kernel (swiss army knife for SVMs) on dense short-real valued features.
It is computed as
where
is the kernel width.
在文件GaussianShortRealKernel.h第31行定义。

公有成员 | |
| CGaussianShortRealKernel (int32_t size, float64_t width) | |
| CGaussianShortRealKernel (CSimpleFeatures< float32_t > *l, CSimpleFeatures< float32_t > *r, float64_t width, int32_t size=10) | |
| virtual | ~CGaussianShortRealKernel () |
| virtual bool | init (CFeatures *l, CFeatures *r) |
| virtual EKernelType | get_kernel_type () |
| virtual const char * | get_name () const |
保护成员 | |
| virtual float64_t | compute (int32_t idx_a, int32_t idx_b) |
保护属性 | |
| float64_t | width |
| CGaussianShortRealKernel | ( | int32_t | size, | |
| float64_t | width | |||
| ) |
| CGaussianShortRealKernel | ( | CSimpleFeatures< float32_t > * | l, | |
| CSimpleFeatures< float32_t > * | r, | |||
| float64_t | width, | |||
| int32_t | size = 10 | |||
| ) |
constructor
| l | features of left-hand side | |
| r | features of right-hand side | |
| width | width | |
| size | cache size |
在文件GaussianShortRealKernel.cpp第24行定义。
| ~CGaussianShortRealKernel | ( | ) | [virtual] |
在文件GaussianShortRealKernel.cpp第31行定义。
| float64_t compute | ( | int32_t | idx_a, | |
| int32_t | idx_b | |||
| ) | [protected, virtual] |
compute kernel function for features a and b idx_{a,b} denote the index of the feature vectors in the corresponding feature object
| idx_a | index a | |
| idx_b | index b |
实现了CKernel。
在文件GaussianShortRealKernel.cpp第41行定义。
| virtual EKernelType get_kernel_type | ( | ) | [virtual] |
return what type of kernel we are
实现了CKernel。
在文件GaussianShortRealKernel.h第65行定义。
| virtual const char* get_name | ( | ) | const [virtual] |
return the kernel's name
实现了CSGObject。
在文件GaussianShortRealKernel.h第71行定义。
initialize kernel
| l | features of left-hand side | |
| r | features of right-hand side |
在文件GaussianShortRealKernel.cpp第35行定义。
width
在文件GaussianShortRealKernel.h第86行定义。