checking value greater than threshold

A=[10 42 55;63 52 81;30 52 14];

k=A(A>50);

Hello everyone.From this code i got output as

k=

63

52

52

55

81

But I want like this [0 0 55; 63 52 81; 0 52 0]..can anyone suggest me how to get this..Your help is appreciated.

Thanks in advance...

Answer 1

[Stephen23]

>> A = [10,42,55;63,52,81;30,52,14];
>> k = A.*(A>50)
k =
    0    0   55
   63   52   81
    0   52    0

[Rocky]

It works..Thank you!!