Constant Function
المؤلف:
Spanier, J. and Oldham, K. B.
المصدر:
"The Constant Function c." Ch. 1 in An Atlas of Functions. Washington, DC: Hemisphere
الجزء والصفحة:
pp. 11-14
19-7-2019
1828
Constant Function
A function 
which does not change as its parameters vary. The function graph of a one-dimensional constant function is a straight line. The derivative of a constant function 
is
 |
(1)
|
and the integral is
 |
(2)
|
The Fourier transform of the constant function 
is given by
=int_(-infty)^inftye^(-2piikx)dx=delta(k),](http://mathworld.wolfram.com/images/equations/ConstantFunction/NumberedEquation3.gif) |
(3)
|
where 
is the delta function.
REFERENCES:
Spanier, J. and Oldham, K. B. "The Constant Function 
." Ch. 1 in An Atlas of Functions. Washington, DC: Hemisphere, pp. 11-14, 1987.
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