Definition:Error/Absolute

Definition
Let $x_0$ be an approximation to a (true) value $x$.

The absolute error $\Delta x$ is defined as:


 * $\Delta x = x_0 - x$

Also defined as
where $\size {x_0 - x}$ denotes the absolute value of $x_0 - x$.

Also see

 * Definition:Relative Error