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 x=[2 3 4 5 -2 -3 5 0]
 x(x>0) = 0
 x
Success #stdin #stdout 0.17s 65056KB
stdin
Standard input is empty
stdout
x =

   2   3   4   5  -2  -3   5   0

x =

   0   0   0   0  -2  -3   0   0

x =

   0   0   0   0  -2  -3   0   0