Find does not work as in the help of Matlab2015a ?

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Hi,
I took this example from Matlab help
Elements Equal to Specific Values
To find a specific integer value, use the == operator. For instance, find the element equal to 13 in a 1-by-10 vector of odd integers.
x =
1:2:20
x =
1 3 5 7 9 11 13 15 17 19
k = find(x==13)
k =
7
Then I did it on the command window:
x = 1:2:20
x =
1 3 5 7 9 11 13 15 17 19
>> k = find(x==13)
k =
0
It should be k = 7. Am I missing something in the command window? I don't see the error, since it is exactly the copy and past from Matlab help, but in my case "find" does not work as described in the help.

采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2015-8-11
You probably used the function find as a variable. to fix the problem type
clear find

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