Help calling my basic function
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So I wrote the following in a script coding window:
function [n] = n(x)
syms q
[n]=(q^(x/2)-q^(-x/2))/(q^(1/2)-q^(-1/2));
end
however I named the file QuantumInteger.m
When i type n(7) into the command window it says that the function is not defined.. but when i type QuantumInteger(7) it does work.
I would prefer the file name to be QuantumInteger.m but to be able to call the function just by typing n(5)
How do I do this? Thanks
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回答 (2 件)
Steve Eddins
2020 年 9 月 24 日
You must use the filename as the function name when calling your function. MATLAB will not pay attention to the "n" inside the file.
If, in your calling code, you would like to use n(7) as "shorthand" for calling your QuantumInteger function, you can make n an anonymous function:
n = @(x) QuantumInteger(x);
n(7)
ans =
(1/q^(7/2) - q^(7/2))/(1/q^(1/2) - q^(1/2))
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Steven Lord
2020 年 9 月 24 日
You could do this by either creating an n.m file that simply calls QuantumInteger:
function y = n(x)
y = QuantumInteger(x);
end
or by defining a function handle:
n = @QuantumInteger;
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