use matlab or octave to code

10. (Input Validation) A common task when taking input from a user is to ensure that the values entered are valid. Here we consider the case of validating a single character and wanting that character to be an alphabetic character, either uppercase, or lowercase. valid input.m Script: Input variables: the_char holds the character input by a user Output variables: is valid holds a logical representing whether or not the character was an alphabetic character, either uppercase or lowercase A sample case is: >> the_char = 'j'; >> valid input is valid = 1