Question

1- array (10,10) 2-array ('10','20') 3-array (20,10) 4-array (10,20)

Answer 1

For example, An array containing:

values of an experiment/simulation at discrete time steps

signal recorded by a measurement device, e.g. sound wave

pixels of an image, grey-level or colour

3-D data measured at different X-Y-Z positions, e.g. MRI scan

…

Why it is useful: Memory-efficient container that provides fast numerical operations.