What is meant by double here ?? is it data type

I was running a script but when i get out put , i see "double " written in my matrix, i have highlighted in attached snapshot

My code is below

[Stephen23]

A good introduction to the basic data classes supported by MATLAB:

https://www.mathworks.com/help/matlab/matlab_prog/fundamental-matlab-classes.html

Answer 1

[madhan ravi]

https://www.mathworks.com/help/matlab/ref/double.html

Answer 2

[Ulli Srinivasu]

Hi,

double is numeric datatype in MATLAB.

You can find doc link