Calculating e, using matlab (how to get answer in double type)

[seto6]

Homework Statement

ok i am using Euler's way, i have to calculate "e"=2.718281828.

my script(see below) works but it only prints up to 4 decimal places, i have no idea why, help me please, thank you in advance.

Homework Equations

N/A

The Attempt at a Solution

function [eis] = euler1(in)
c=in-1;

while c>=1,
    
    if c == double(in-1),
        Q = double(c+(c/in));
    end
    
    Q= double(c + (c/Q));
    
    alpha = double(Q);
    c=c-1;
end
eis = 2+ 1/(double(alpha));

 

[brushman]

There's several ways to do this. The easy way is to just change the way strings are formatted.

>> help format

For more precision, try

>> help fprintf