Signum Function Graph
The graph for the signum function has three components. It is a straight line parallel to the X-axis with a y-intercept of 1 for all positive values. The graph is a straight line parallel to X-axis intersecting Y axis at -1 whereas for 0 it is a simple point with coordinates (0, 0) i.e. origin. The graph for the signum function is shown below:
Signum Function
Signum Function is an important function in mathematics that helps us to know the sign of a real number. It is usually expressed as a function of a variable and denoted either by f(x) or by sgn(x). It may also be written as a sign(x). Signum Function also has applications in various fields such as physics, electronics, and AI due to which it becomes much more important to study signum function.
A signum function is neither a one-one nor an onto function as various elements has the same image and a pre-image has various images in the co-domain and domain set respectively. In this article, we shall discuss the signum function in detail.