Interpolation

Interpolation筆記

###證明筆記,如有空再補上說明### **1. 線性內插(Linear Interpolation)** $ y = ax + b , f(x) = ax + b $ $ y_i = a x_i + b $ $ y_{i+1} = a x_{i+1} + b $ $ y_{i+1} - y_i = a_{i+1} -a x_i $ $ y_{i+1} - y_i = a (x_{i+1} -a x_i) $ $ y_{i+1} - y