how to use input element of function in code?

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moonman
moonman 2011-10-6
Let's suppose I have this function
function [mean,stdev] = stat(x,b)
n = length(x)
mean = sum(x)/n;
stdev = sqrt(sum((x-mean).^2/b));
and I call this function by
>> [mean stdev] = stat([12.7 45.4 98.9 26.6 53/1],400)
Is there any way I can use each element of input in my code lets suppose in my code I want to use sum which is equal to first element + second element (that is 12.7+45.4)
sum = input_element_1 + input_element_2
How can I do that?
  1 个评论
Sean de Wolski
Sean de Wolski 2011-10-6
DON'T NAME YOUR VARIABLE 'MEAN'!!!!!
(5 exclamation points oughtta do it)
mean is a very useful function and it's terrible practive to overwrite it.

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Fangjun Jiang
Fangjun Jiang 2011-10-6
Inside your function, just use y=x(1)+x(2). It is a good idea to check the size of x first.

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