Question

What is a Signum Function??​

Answer 1

Answer:

Step-by-step explanation:

Bonjour

In mathematics, the sign function or signum function (from signum, Latin for "sign") is an odd mathematical function that extracts the sign of a real number. In mathematical expressions the sign function is often represented as sgn.

Answer 2

SOLUTION

f: R------R

This is known as signum function.

Let us check value of f(x) for different values of x

for x= -1

x<0

so, f(x)= -1

For x= -2

x<0

so, f(x) = -1

For x= 1

x>0

so, f(x)= 1

For x= 2

x>0

so, f(x)= 1

For x= 0

x= 0

so, f(x)= 0

Attachment a graph---

hope it helps ☺️