Developer Guide and Reference

  • 2021.6
  • 04/11/2022
  • 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 LaTex Math image. of LaTex Math image. feature vectors LaTex Math image. of dimension LaTex Math image. and a set LaTex Math image. of LaTex Math image. 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 LaTex Math image. and LaTex Math image. matrices.

Programming Interface

Product and Performance Information

1

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