Does specific function exist?
41043
example of discontinuous function having direction derivative
158565
Determine if a function exists in bash
137325
Is it possible to overwrite a function in PHP
104278
Finding function $f(x)$ which satisfy given functional equation
150005
Existence of points in a differentiable function
98356
There does not exist an entire function which satisfies $f({1\over n})={1\over 2^n}$?
55490
Codomains and the definition of a function
2321
Can there be two distinct, continuous functions that are equal at all rationals?
118048
Can a function with just one point in its domain be continuous?
99894
Does there exists an entire function $f$ such that $f(0)=1$ and $|f(z)|\leq \frac{1}{|z|} $ for all $|z|\geq 5$?
29403
Finding functions $f: \Bbb R_*^+ \to \Bbb R_*^+$ with certain properties
150012
How do I mimic the functionality of ""?
1440
Are the any non-trivial functions where $f(x)=f'(x)$ not of the form $Ae^x$
24177
Is there a comprehensive list of functions with operator forms?
4709
Functions with Options
55679
Does there exist a continuous function from [0,1] to R that has uncountably many local maxima?
76249
Does the limit of function of two variables exist