A constant function is function function graph of a one-dimensional constant function is a straight line .
The derivative of a constant function
(1)
and the integral is
(2)
The Fourier transform of the constant function
(3)
where delta function .
See also Constant Map ,
Identity Function ,
Linear Function ,
Piecewise
Constant Function ,
Fourier Transform--1 ,
Zero Function
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References Spanier, J. and Oldham, K. B. "The Constant Function An
Atlas of Functions. Referenced
on Wolfram|Alpha Constant Function
Cite this as:
Weisstein, Eric W. "Constant Function."
From MathWorld https://mathworld.wolfram.com/ConstantFunction.html
Subject classifications
whose value does not change as its parameters vary. The
function graph of a one-dimensional constant function is a straight line.
is
is given by
=int_(-infty)^inftye^(-2piikx)dx=delta(k),](/images/equations/ConstantFunction/NumberedEquation3.svg)
is the delta function.
." Ch. 1 in