Geometric Visualization of Directional Derivative

2015-01-06 02:50
This GeoGebra example demonstrates the geometric interpretation of the directional derivative of a multivariable function. It visualizes the directional derivative of f(x,y) at a given point along a specified direction vector u on a 3D surface, including the tangent plane, direction vector, partial derivatives f_x and f_y, and the limit definition. Users can adjust the point position and direction