Can not use the Fibonacci built in function

0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ... (add previous two numbers together for the next in the sequence)

1. Find the first 10 odd numbers.

2. The First 10 odd numbers are: <Provide all numbers here with a space between each>

[James Tursa]

What have you done so far? What specific problems are you having with your code?

[Hunter Steele]

i have calculated the total number, however I cant seem to figure out how to find the odd numbers and output just the odd numbers.

[Walter Roberson]

hint: look at rem() and mod()

[Hunter Steele]

I dont quite know which numbers to plug in for this problem anyway you could go into further detail?

[James Tursa]

Please post the code you have and point out what lines you are having problems with. Can you write code that will print all of the numbers (both even and odd) for e.g. the first 20 iterations?

[Hunter Steele]

n = input('Enter10:');

b(1) = 0;

b(2) = 1;

x = 3;

while x <= n

b(x)=(b(x-1)+b(x-2));

x = x+1;

end

disp('The first 10 values of the Fibonacci are:')

disp(b)

[Hunter Steele]

That gives me the numers for the firdt 10 values. I need to know how to get the first 10 odd values.

Answer 1

[James Tursa]

For simplicity, let's assume you don't know how many iterations you need in advance. So start with your current code:

while x <= n
    b(x)=(b(x-1)+b(x-2));
    x = x+1;
end

and modify it to keep running until we get 10 odd numbers:

k = 1; % the number of odd numbers we have so far (starts at 1 because b(2) is an odd number)
while true
    b(x)=(b(x-1)+b(x-2));
    if( b(x) is an odd number ) % <-- you need to fill in the actual test for odd number here
        k = k + 1;  % increment the number of odd numbers we have so far
        % do something here with the odd b(x)
        if( k == n ) % if we have enough odd numbers, then break out of loop
            break;
        end
    end
    x = x+1;
end

So, try to fill in that test for the odd number. Then try to think of a way to either print the odd numbers as you go, or save the odd numbers for later printing.