Convolution
∗
Type it
| Unicode | U+2217 | |
|---|---|---|
| LaTeX | \ast | |
| HTML entity | ∗ | |
| Character | ∗ |
Meaning
Combines two functions by integrating the product of one with a shifted, reflected copy of the other. It is used in signal processing, probability, and differential equations. Compare with Integral and Composition.
How to read it
(f ∗ g)(t)
is read “f convolved with g, evaluated at t”.