How do I replace the elements of a vector with something else based on conditions?

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Brady Retzlaff
Brady Retzlaff 2015-10-12
评论： Stephen23 2015-10-12
I have a vector A, that is 10 random numbers between 0 and 1. If the number is greater than .5 I want to replace it with 1, otherwise, I want to replace it with zero. I can't figure out how to spit out the modified vector. Help?

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回答（3 个）

Jan
Jan 2015-10-12
x = rand(1,10);
result = (x > 0.5);
The round command would be useful also.
KSSV
KSSV 2015-10-12
编辑：Walter Roberson 2015-10-12
x = rand(1,10) ;
for i = 1:length(x)
if x(i) > 0.5
x(i) = 1. ;
else
x(i) = 0. ;
end
end
Please note, the above task can also be carried out without for loop.
Regards
Sreenivas
Walter Roberson
Walter Roberson 2015-10-12

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