a code that compute numbers and numbers does not !

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basim almutairi
basim almutairi on 15 Sep 2021
Answered: Sreedhar Arumugam on 15 Sep 2021
greetings all,
the following code I've created to compute an amount. whenever I try number of years let's say 2 it will compute correctly. However, when I want to compute something like 10 years it wont work ! please can you adivse
p = input('enter the amount you want to deposit initially:');
n = input('enter number of years:');
t = input(['enter the frequency of interest compounding\n'...
'type 1: for annually\n'...
'type 2: for semi annually\n'...
'type 4: for quarterly\n'...
'type 12: for monthly\n']);
r = input('enter the interest rate:');
switch n
case (1)
a = p*((1+((0.01*r)/t))^(n*t));
case (2)
a = p*((1+((0.01*r)/t))^(n*t));
disp(['semi annually:',num2str(a)]);
case (4)
a = p*((1+((0.01*r)/t))^(n*t));
case (12)
a = p*((1+((0.01*r)/t))^(n*t));

Answers (1)

Sreedhar Arumugam
Sreedhar Arumugam on 15 Sep 2021
I am assuming you want to compute interest based on the frequency of compounding.
Your switch statement is with respect to n (number of years) when it should actually be with respect to t (frequency of compounding).
switch t
case (2)
case (4)
This is why it fails for n=10 in your code as there is no case corresponding for this input.

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