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Fig. 3.

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Diagram showing the value on each patch of the RM in the second quadrant of our example. Other quadrants are the same except for sign. The color is merely shading and has no physical significance. To ensure that we are looking along the negative y-axis across the positive x-axis, the row is 11 − x, and the column is the z-axis. The observer is looking down from the left.

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