Re

Re[z] gives the real part of the complex number z.

Re[expr] is left unevaluated if expr is not a numeric quantity.

See also: Abs, Arg, Im.

Examples

Using InstantCalculators

Here is the InstantCalculator for the Re function. Enter the parameters for your calculation and click Calculate to see the result.

In[1]:=

Out[1]=

Entering Commands Directly

You can paste a template for this command via the Text Input button on the Re Function Controller.

This extracts the real part of this complex number.

In[2]:=

Out[2]=