Mohammad Mohsen Goodarzi

2 Questions 6 Answers 0 Followers

Questions related from Mohammad Mohsen Goodarzi

Is in practice kernel (x1,x2) equal to <phi(x1),phi(x2)>?

In theory, the kernel of two vectors is equal to the dot-product of them in feature space, i.e. k(x1,x2)=, but practically this seems tricky! Suppose that we trained a kernel mapping such as...

08 August 2013 3,483 0 View

Is there any source code for L1-norm Regularization with arbitrary loss function?

I want to solve the following optimization problem: min_x { f(x) + lambda * ||x||1 } There are many source codes for solving L1-norm Regularization problems, but their loss functions are...

08 August 2013 5,309 4 View