• → Chop

Abs

Absolute value (SymPy, WMA)

Abs[x]

returns the absolute value of x.

• • Abs[-3]

• • Plot[Abs[x], {x, -4, 4}]

Abs returns the magnitude of complex numbers:

• • Abs[3 + I]

• • Abs[3.0 + I]

All of the below evaluate to Infinity:

• • Abs[Infinity] == Abs[I Infinity] == Abs[ComplexInfinity]