Why do i keep getting the illegal error us of "end"

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Sierra Bounds 2019-2-20

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https://ww2.mathworks.cn/matlabcentral/answers/446107-why-do-i-keep-getting-the-illegal-error-us-of-end

编辑： Stephen23 2019-2-20

采纳的回答： Asad Mirza

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Stephen23 2019-2-20

编辑：Stephen23 2019-2-20

'Why do i keep getting the illegal error us of "end"'

Check the spelling of "function".

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Asad Mirza 2019-2-20

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https://ww2.mathworks.cn/matlabcentral/answers/446107-why-do-i-keep-getting-the-illegal-error-us-of-end#answer_361956

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For every start of a loop you write in MATLAB you must "end it" with an "end". They come in pairs.

Now it looks like you did properly close your loop but you incorrectly wrote "funcion" instead of "function", that is where you error it actually coming from.

function vari = variance(a)
total = sum(a);
width = length(a);
avg = total/width;
v=0;
for c = 1 : legnth(a)
    v = v +(a(c)-avg)^2;
end
vari = v / (width-1);
end