Looping through a random matrix to see if any element is >0.5

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Jaclyn McBride
Jaclyn McBride 2020-9-3
回答： per isakson 2020-9-3
I'm trying to loop through all rows and columns of a random matrix to test whether each element is greater than 0.5
I have this (which, clearly is not working):
for random_number_matrix = rand(4,8)
if random_number_matrix>0.5
display ('greater than')
end
end

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回答（2 个）

dpb
dpb 2020-9-3
random_number_matrix = rand(4,8);
isGt=(random_number_matrix>0.5);
display(random_number_matrix(isGt))
per isakson
per isakson 2020-9-3
Try
%%
for random_number_matrix = rand(4,8)
display (random_number_matrix)
end
and read the documentation on for

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