how could I use the "find" command to compare two matrices?

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Elsis
Elsis 2012-12-18
Hello Matlabers,
I have 2 matrices (with 1 column and 2000 rows each) and I would like to compare each row from each matrix and get a 3rd logical matrix with 1's or 0's depending on the case... so far I tried to use the command:
control_matrix=find(A)<(B);
and this is supposed to generate a control matrix with 1's and 0's with the same size (1 column and 2000 rows) but when I apply the command it does not give me back the correct results...
any idea, suggestion or hint?
thanks! :)

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Laura Proctor
Laura Proctor 2012-12-18
编辑：Laura Proctor 2012-12-18
Comparing two matrices directly will give back a logical array:
control_matrix= A<B;
The find function will find the index values where items are nonzero.
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Laura Proctor
Laura Proctor 2012-12-18
Did you try this command? It doesn't use find. If A & B are both 1x2000 element arrays, then it will return a 1x2000 element logical array containing 1's and 0's. The use of find returns the index values. Try it!
Image Analyst
Image Analyst 2012-12-18
Obviously Elsis, you did NOT try the code she provided. I think you just ran your original code instead.

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