function not working properly
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i have this function, which is supposed to get three numbers and check if they're scalars and bigger than one
function valid = valid_date (year,month,day)
if ~isscalar(year)||year<1
valid=~1;
elseif ~isscalar(month)||month<1||month>12
valid=~1;
elseif ~isscalar(day)||day<1
valid=~1;
end
but when i give it
valid_date(2019,4,0)
or
valid_date(1,1,0)
it should give a logical 0 but it gives a 1
ans =
logical
1
it works correctly with (0,1,1) or (0,1,0) or (1,0,1) but this specific combination seems to break it
how do i fix it?
回答（1 个）
Walter Roberson
2021-12-4
0 个投票
The code you post only assigns to valid in situations where it has valid=~1 so it can only ever assign false (0) to valid. There is no case in which the code can return 1 for valid.
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