Analytic geometry
Vectors
Magnitudes, dot and cross products, angles and projections.
Analytic geometry
2D vector magnitude
|a| = √(x²+y²)→Analytic geometry3D vector magnitude
|a| = √(x²+y²+z²)→Analytic geometryVector dot product
a·b = aₓbₓ+aᵧbᵧ+a₂b₂→Analytic geometryCross product magnitude
|a×b| = √((aᵧb₂−a₂bᵧ)²+…)→Analytic geometryAngle between vectors
θ = arccos((a·b)/(|a||b|))→Analytic geometryScalar vector projection
comp_b a = (a·b)/|b|→Analytic geometryVector addition
a + b→Analytic geometryVector subtraction
a − b→Analytic geometryVector cross product
a × b→