How to get sum of a range

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Crystal Lee
Crystal Lee 2018-8-12
编辑： Jan 2021-10-2
I am trying to get the code below to output the number of elements within v(a vector) that are below 2 and above 4.
sum(sum(v<2 & v>4))
When I define v and run this, it does not work as I would like it to. eg for
v=[1,3,5];
sum(sum(v<2 & v>4))
I am expecting an output of 2, since there is 1 element below 2(1), and 1 element above 4(5).

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Paolo
Paolo 2018-8-12
You want to use the OR operator here and not the AND. Use:
nnz(v<2 | v>4)
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Paolo
Paolo 2018-8-12
That really goes without saying, I am sure OP understands that. He is probably confused about the meaning of logical operators.
Jan
Jan 2021-10-2
编辑：Jan 2021-10-2
@Mutia Rahmadini: Please do not attach a new question as comment to ananswer of another question. Post this as a new question including the code and a copy of the error message, to increase your chance to get an answer. Finally, remove this comment. Thanks.

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