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14.3 Partial derivatives Formal Definition
 

Summary: 14.3 Partial derivatives
1
Formal Definition
The partial derivative of ( , )f x y w.r.t. `x' at the point ( )0 0,x y
is denoted as
f
x


and defined as
0 0 0
0 0
0
( , ) 0
( , ) lim
h
( , )f x h y ff
x y
x y
x h

  

Source: Ansari, Qamrul Hasan - Department of Mathematics and Statistics, King Fahd University of Petroleum and Minerals

 

Collections: Mathematics