Calculatrice de Magnitude de Vecteur — Formule

Vector Magnitude

Formula

v= sqrt(x² + y² + z²)

For 2D vectors (z = 0): v= sqrt(x² + y²)

Unit Vector

A unit vector has magnitude 1 and points in the same direction:

v_hat = v /v= (x/v, y/v, z/v)

Direction (2D)

The angle from the positive x-axis: theta = arctan(y/x)