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Program in matlab to check if the letter is vowel

Problem

Write a program in matlab to check if the given letter is vowel or not. Use the function name as isvowel.

Solution

In this function we will use the switch statement to accomplish the task. This program is only basic, and you can understand it easily. First read the program and then, read the explanation, if you still don't understand then please click the links below to check out each function and syntax in matlab. If you still don't understand then contact me.
1) Matlab functions
2) char function in matlab/ Char(Matlab functions)
3) switch case in matlab

Program

function ret = isvowel(s)
%this function will check whether the given letter is vowel or not

%If the user by mistake enters a number then we will change it to character
%using the char function. Or else also this function will not do any
%problem

s = char(s);

switch s
    case 'a'
        ret = true;
    case 'e'
        ret = true;
    case 'i'
        ret = true;
    case 'o'
        ret = true;
    case 'u'
        ret = true;
    otherwise
        ret = false;
end
If you want to download the above program for your offline use then you can do so by clicking here for the file: isvowel.m (497 Bytes)

Explanation

In this function first we will convert the given input to a character so that if the user by mistake enters a number then the char function will change the number to corresponding alphabet. So this will not be a problem

Now in the switch case we will compare the given input with alphabets a,e,i,o,u. If the input will match the alphabet then the function will return true. Otherwise the function will return false.

I have tried to explain in such a way that it will be easy to understand for everyone. If you cannot understand, this then please do let me know, I will make changes, so that it will be beneficial for everyone. You can contact me here: contact me

Understood the program? Then type the program in your matlab session and post your output for a given input in the comment below. 

Keywords: vowel, matlab session, switch case
The above code was highlighted using hilite.me
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