Sum of vector involving relational operations

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lauuser1
lauuser1 am 25 Feb. 2016
Kommentiert: Star Strider am 25 Feb. 2016
When given something such as
x=[0:.5:10]'
why does
sum(x>8 & x<=4) = 0

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Star Strider
Star Strider am 25 Feb. 2016
Think about it. Here no ‘x’ can simultaneously be >8 and <=4.
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lauuser1
lauuser1 am 25 Feb. 2016
Oh okay, I get it. Thank you!
Star Strider
Star Strider am 25 Feb. 2016
My pleasure!

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