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Undefined function [btrial] or input arguments of type 'double'

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Hi I get the above error in Matlab. I am trying to test a binomial function. This is the function:
function res = btrial(p)
if rand()<=p,
res = 1;
else
res = 0;
end
end
This is my test:
N = 10;
p = 0.1;
for i = 1:N;
disp(btrial(p));
end
I cannot find the error. Thank you.

Answers (1)

Image Analyst
Image Analyst on 20 Dec 2014
I made an m-file called test2.m and put all of this into it, and it worked fine:
function test2
clc; % Clear the command window.
workspace; % Make sure the workspace panel is showing.
format long g;
format compact;
N = 10;
p = 0.1;
for i = 1:N;
disp(btrial(p));
end
function res = btrial(p)
if rand()<=p,
res = 1;
else
res = 0;
end

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