Function φ = atan2(y,x) calculates the 4-quadrant inverse tangent in the range -Pi to Pi. Functionally equivalent to the atan2 function in 'C' and MATLAB®. Ideal for the measurement of complex phase ...

Inverse problems research lies at the intersection of pure and applied mathematics. The forward problem corresponding to an inverse problem is usually a well defined problem in physics, engineering or ...

or the gradient and equation of a tangent to a curve. Integration Integration is the inverse of differentiation of algebraic and trigonometric expressions involving brackets and powers.