Developer Guide and Reference

  • 2021.4
  • 09/27/2021
  • Public Content
Contents

Sigmoid kernel

The Sigmoid kernel is a popular kernel function used in kernelized learning algorithms.
Operation
Computational methods
Programming Interface

Mathematical formulation

Computing
Given a set
X
of
n
feature vectors LaTex Math image. of dimension
p
and a set
Y
of
m
feature vectors LaTex Math image., the problem is to compute the sigmoid kernel function LaTex Math image. for any pair of input vectors:
LaTex Math image.
where LaTex Math image..
Computation method:
dense
The method computes the sigmoid kernel function LaTex Math image. for
X
and
Y
matrices.

Programming Interface

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.