How to output as a vector
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ive got a coin toss simulation game where score is kept.
function = coin_toss(s(0),N)
% coin toss simulation
% a coin is tossed n times, at each point a score is given +1 for heads
% and -1 for tails.
N=input(10)
for k=1:N
rand_number=rand;
if random_number<0.5
random_number(k,1)=-1;
else
random_number(k,1)=1;
for i=1:N,
s(0)=-1
s(N)= s(N-1)+random_number
end
end
end
I basicly want to have an output of the scores after each flip divided by the flip number in a vector e.g
[(-1/1),(s(1)/2),(s(2),3)........ (s(N)/(N+1)] [-1,
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José-Luis
le 30 Oct 2012
Modifié(e) : José-Luis
le 30 Oct 2012
What's the meaning of N = input(10)? I am guessing that what you wanted to do is to pass N to a function. But, if so, why ask for its value again inside the function? And if you know the first value is always -1 you don't really need to pass it either.
If you want to return a vector
function your_result = coin_toss(N);
%Preallocating for your_result:
your_result = zeros(N,1);
%Perform your calculations
your_result(1) = -1;
for ii = 2:N
%do your stuff
your_result(ii) = %You might know how to do this since it has already been answered
end
%You might also know how to do the rest. Hint: cumsum()
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