As A Subset of The Square
Like any binary relation, the kernel of a function may be thought of as a subset of the Cartesian product X × X. In this guise, the kernel may be denoted "ker f" (or a variation) and may be defined symbolically as
- .
The study of the properties of this subset can shed light on .
Read more about this topic: Kernel (set Theory)
Famous quotes containing the word square:
“If the physicians had not their cassocks and their mules, if the doctors had not their square caps and their robes four times too wide, they would never had duped the world, which cannot resist so original an appearance.”
—Blaise Pascal (1623–1662)