Changing my image to logical or positive

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Fish Out Of Water :D
??? Attempted to access im3(217,0); index must be a positive integer or logical.
Can anyone teach me how to change my im3 to logical?

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Jan
Jan 2011-10-17
You do not have to change the picture, but the index - as the error message explains. Indicies start at 1 in MATLAB, such that "im3(217, 0)" is not valid. I guess that "im3(218, 1)" solves your problem.

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