## 1.19 Shifting origin and scale

Say we have values, $$x_1, x_2, \cdot \cdot \cdot , x_n$$

• $$y_1 = x_1-a \space or \space x_1+a$$
• $$y_1 = b \cdot x_1 \space or \space x_1/b$$
• both: $$y_i = \frac{x_i-a}{b}$$