MATLAB: if isempty(res1) - Understanding the 'end' Keyword

The 'end' in the code snippet provided is used to indicate the end of the conditional statement. In this case, it marks the end of the 'if' statement.

This code snippet checks if the variable 'res1' is empty. If it is, a message box pops up warning the user to input a value. If 'res1' is not empty, the code converts it to a double-precision number and assigns it to the variable 'a'.

The 'end' keyword is essential in MATLAB for defining the scope of conditional statements and loops. It helps the interpreter understand where a specific block of code ends.