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Definition: Real Absolute Value Function

The absolute value function is a function defined by

$$f(x):=|x|$$

for all $x\in\mathbb R,$ where $|x|$ denotes the absolute value of $x$.

The following graph visualizes the absolute value function:

Table of Contents

1. Proposition: Derivate of Absolute Value Function Does Not Exist at $0$

Mentioned in:

Propositions: 1

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References

Bibliography

1. Forster Otto: "Analysis 1, Differential- und Integralrechnung einer Veränderlichen", Vieweg Studium, 1983