Why calling the functions works fine in the first run, but causes error after that?

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Anup
Anup 2023-2-22
回答： Steven Lord 2023-2-22
I have a function as below:
function p1 = p1(d,i,N)
a = 1./(d-i);
b = ((1+i)./(1+d)).^N;
p1 = a.*(1-b);
end
I called this function in a code like this:
d = 0.05;
i = 0.04;
N = 10;
p1 = p1(d,i,N);
The code runs fine in the first run, but causes error every other time.
The error is as:
Index in position 1 is invalid. Array indices must be positive integers or logical
values.
Error in test2 (line 5)
p1 = p1(d,i,N);

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采纳的回答

Steven Lord
Steven Lord 2023-2-22
Don't assign the output from the function p1 to a variable named p1. If you do you will not be able to call the function while the variable exists; attempts to do so will be treated as an attempt to index into the variable. Choose a different name for the output.

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