Register to reply

Undefined points of a function

by Square1
Tags: function, points, undefined
Share this thread:
Square1
#1
Feb14-12, 03:26 PM
P: 115
Apart from visualizing firstly the maximum bounds of a function on a graph (domain), what are algebraic indications that some complex function does not exist at a given point? I know that if you evaluate a function that results in dividing by zero, the point is undefined. If you end up taking a square root of a negative number, the point was undefined.

Are there other ways to conclude the point does not exist on the function? Is there a formula that spits out the points that are undefined of a function?
Phys.Org News Partner Mathematics news on Phys.org
Professor quantifies how 'one thing leads to another'
Team announces construction of a formal computer-verified proof of the Kepler conjecture
Iranian is first woman to win 'Nobel Prize of maths' (Update)
skiller
#2
Feb14-12, 11:54 PM
P: 234
Quote Quote by Square1 View Post
what are algebraic indications that some complex function does not exist at a given point?
Do you mean complex as in complicated or as in real+imaginary?
If you end up taking a square root of a negative number, the point was undefined.
Evidently not the latter.


Register to reply

Related Discussions
? Undefined function or method 'strike' for input arguments of type 'double' Math & Science Software 4
Determining a function given points and the values of derivatives at points Calculus & Beyond Homework 16
Continuity of piecewise function undefined for 1<x<=2 Calculus 1
? Undefined function or variable 'x'. Math & Science Software 1
Undefined Points General Math 6