Local linearity & Linear approximation
Published in
1 min readJan 23, 2019
Local linearityis for approximating of a point's value by its near known point.
Just think of a curve, a good way to approximate its Y-value, is to find another known point near it, and make a line connecting two points, then gets the value by linear equation.
Refer to Khan academy lecture.
Example
Solve:
