How to use functions in matlab

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Shijin Thomas
Shijin Thomas 2015-2-19
编辑： Mischa Kim 2015-2-19
when i use to run the code shown below function y = average(x) if ~isvector(x) error('Input must be a vector') end y = sum(x)/length(x); end it is showing an error msg function y = average(x) | Error: Function definitions are not permitted in this context. how ca i overcome this??

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回答（1 个）

Mischa Kim
Mischa Kim 2015-2-19
编辑：Mischa Kim 2015-2-19
Shinjin, your function is probably residing whithin a script, correct? If so, copy-paste the function into a new function window and save the file as average.m.
Alternatively, you could turn the script into a function and then call function average as shown here.

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