All Questions
3 questions
2
votes
1
answer
284
views
Is $b$ in Support Vector Regression constant or not?
In Support Vector Regression, the following dual optimization problem is solved with respect to $\alpha_i$ and $\alpha_i^*$:
\begin{equation}
\begin{aligned}
& \text{maximize} && \begin{...
4
votes
1
answer
278
views
linear kernel SVM
The linear kernel is defined as: $K(x1,x2)=\langle x1,x2\rangle$. I can see that all that this kernel does is to calculate the dot product in the original space of the data. Why is this kernel then ...
0
votes
1
answer
86
views
Evolution strategies in libsvm
I'm working on a protein multi-classification problem, using libsvm and the edit distance kernel. This kernel depends on a parameter $\gamma$. I'm able to get the best parameters ($\gamma$ and $C$) ...