how can I perform Quantization and De-Quantization for single column vector?

Greetings

if my input is single column let's say

x =

[ 31.7500
  8.7170
 -2.6871
  7.3167
  0.4871
 -0.8383
  0.5655
  3.9266
  1.4769
 -0.9086
  2.6703
  7.1325
  2.2110
 -1.5938
  2.7491]

how can I perform Quantize and De-Quantize it?

Thanks in advance