turn function to recursive

I have a function:

function [ array2 ] = charReversal( array1 )
%CHARREVERSAL reverses a character array using recursion
n=length(array1);
if n>1
  array2=[array1(end) array1(2:end-1) array1(1)];
  array2=[array2(1) array2(end-1) array2(3:end-1-1) array2(1+1) array2(end)];
  array2=[array2(1:2) array2(end-2) array2(4:end-1-1-1) array2(1+1+1) array2(end-1:end)];
else 
  array2=array1;

end

But I don't know how to turn it into a recursive function. I have tried:

function [ array2 ] = charReversal( array1 )
%CHARREVERSAL reverses a character array using recursion
n=length(array1);
if n>1
  array2=charReversal([array1(end) array1(2:end-1) array1(1)]);
else 
  array2=array1;

end

I am having a little trouble with the idea of recursive functions.

Answer 1

[Walter Roberson]

See https://www.mathworks.com/matlabcentral/answers/361333-help-i-need-to-convert-numbers-into-english-words-using-recursion#answer_285821