Write a MATLAB function that takes a positive integer ( n ) as input and returns the sum of all the even numbers from 1 to ( n ).
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峡胜, the description suggests to me that if n = 3 (as in the test), then the sum should be 2. Do you mean that we should add every other number (i.e., 1 and 3)?
I think you meant that the odd numbers (not the even ones) should be summed.