Not enough input arguments.

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Jessica Larry 2020-4-29

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/521828-not-enough-input-arguments

评论： Jessica Larry 2020-4-30

L = data(:,3); %this is the length/value of each item
for k = 1:length(P)
   item.test(k) = tolerance(item.cat(k),L(k));
end 
%%
%functions
function [fit] = tolerance(category,value)
if category == 1
    if value>=25.1 && value<=26.05
        fit = 55;
    else 
        fit = 99;
    end 
elseif category == 2
        if value>=25.92 && value<=26.08
        fit = 55;
    else 
        fit = 99;
        end 
elseif category == 3
    if value>=25.88 && value<=26.12
        fit = 55;
    else 
        fit = 99;
    end 
else 
    if value>=25.85 && value<=26.15
        fit = 55;
    else 
        fit = 99;
    end 
end 
end

I have a strcuture field called (item.cat) which is the category of 4 items (1-4) and the user defined function I made is supposed to go through all of the values in the structure field and determine if each item fits the specific tolerences based on its category. However I keep getting the ERROR

Not enough input arguments.

Error in tolerance (line 2)

if category == 1

what does it mean by not enough inputs? I'm trying to determine if the value in the matrix is in category 1,2,3 or 4 so wouldn't the only input be the category which in this case is the structure field 'item.cat'?