👉 Crossing math is a method used to solve problems involving the intersection of curves or surfaces in multi-dimensional spaces, often in algebraic geometry and differential geometry. It involves finding points where two or more geometric objects meet, such as the intersection of a curve in a plane and a surface in 3D space. This is typically achieved by solving systems of equations that describe these objects, where each equation represents the defining polynomial or differential equation of the object. The solution to these systems gives the coordinates of the intersection points, which can be real or complex numbers depending on the nature of the equations. In practical applications, crossing math is crucial in computer graphics, robotics, and physics for tasks like collision detection and path planning.