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mvpa.kernels.libsvm.SigmoidLSKernel

class mvpa.kernels.libsvm.SigmoidLSKernel(**kwargs)

Sigmoid kernel: K(a,b) = tanh(gamma*a*b.T + coef0)

Initialize instance of SigmoidLSKernel

Parameters :

gamma :

Gamma multiplying parameter for SigmoidKernel. (Default: 1)

coef0 :

Offset inside tanh. (Default: 1)