Null Function
المؤلف:
Bracewell, R.
المصدر:
"Null Functions." In The Fourier Transform and Its Applications, 3rd ed. New York: McGraw-Hill, , 1999.
الجزء والصفحة:
pp. 82-84
25-5-2019
1758
Null Function
A null function 
satisfies
 |
(1)
|
for all 
, so
 |
(2)
|
Like a delta function, they satisfy
![delta^0(x)=<span style=]() {0 x!=0; 1 x=0. " src="http://mathworld.wolfram.com/images/equations/NullFunction/NumberedEquation3.gif" style="height:41px; width:117px" /> |
(3)
|
REFERENCES:
Bracewell, R. "Null Functions." In The Fourier Transform and Its Applications, 3rd ed. New York: McGraw-Hill, pp. 82-84, 1999.
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