derivative test
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2020 ◽  
Vol 104 (560) ◽  
pp. 247-254
Author(s):  
Ronald Skurnick ◽  
Christopher Roethel

Given a differentiable function f with argument x, its critical points are those values of x, if any, in its domain for which either f′ (x) = 0 or f′ (x) is undefined. The first derivative test is a number line test that tells us, definitively, whether a given critical point, x = c, of f(x) is a local maximum, a local minimum, or neither. The second derivative test is not a number line test, but can also be applied to classify the critical points of f(x). Unfortunately, the second derivative test is, under certain conditions, inconclusive.


2019 ◽  
Vol 82 (5) ◽  
Author(s):  
Thiago Cabral ◽  
Luiz Guilherme Marchesi Mello ◽  
Natália N. Barcellos ◽  
Júlia Polido ◽  
Paulo M. Peçanha ◽  
...  

2016 ◽  
Vol 28 (2) ◽  
Author(s):  
Olivier Robert

AbstractWe give an upper bound for the exponential sum ∑


2015 ◽  
Vol 4 (1) ◽  
pp. 80 ◽  
Author(s):  
Mohsen Meidani ◽  
Shirin Meshkinfar ◽  
Hurie Hashemi ◽  
Ziba Farajzadegan ◽  
Mansour Salesi

2009 ◽  
Vol 3 (1) ◽  
pp. S24-S25
Author(s):  
A.E. Kedrah ◽  
Y. Alahdab ◽  
Ö. Atuğ ◽  
S. Aydin ◽  
N. Imeryüz ◽  
...  

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