recursive function with 2 variables doesnt work

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HorizonUnity
HorizonUnity 2020-2-19
评论： HorizonUnity 2020-2-19
Hi there,
i try to get a recursive function
and for
for exampble:
i tried this function:
function x = s(p,t)
if t==1
x = p;
else
x = p*s(p,t-1)+(1-p)*(1-s(p,t-1));
end
end
but when i try to call it with
>> x = s(0.75,2)
i would expect something like
x = 0.625
but i get the error
Index in position 2 exceeds array bounds (must not exceed 1).
so i thought maybe i dont need the p in the function. So i tried:
function x = s(t) etc.
and it works for t=1. But when i call the function with
>> x = s(2)
Index exceeds the number of array elements (1).
What am i doing wrong?

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采纳的回答

the cyclist
the cyclist 2020-2-19
编辑：the cyclist 2020-2-19
For me, your function works as expected.
Maybe you accidentally also created a variable s in your workspace, and you are trying to access that instead of the function? What do you get from
which -all s
  1 个评论
HorizonUnity
HorizonUnity 2020-2-19
Hey thanks for your answer!
>> which -all s
s is a variable.
you where absolutly right! I deleted the variable und now it works!
Thank you very much!

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