Create a function that returns true if the input is a scalar value $($i$.$e$.$ of size $11)$ of class type double and false otherwise.

Function Name: isScalar

Input: single input which may be any data class

Output: the output is true or false

Useful functions: size$(),$ class$(),$ isnumeric$()$

Type these sentences below to verify if your function is correct or not: $($Just place the following sentences above your function code, notice that in Matlab functions not defined in a seperate script has ta be placed after the main program$)$

$a=$ isScalar$(100)$;

$b=$ isScalar$([2030])$;

IN MATLAB