Graphic zoom in and zoom out, bit-like transformation ppt

The definition takes a point O and maps any point P on the graph to a point P ′ on the ray OP (or its reverse extension line), so that the ratio of the line segment OP ′ to OP is equal to a constant k (k> 0), and point O corresponds To itself, this transformation is called bit-like transformation. Point O is called bit-like center, and the constant k is called bit-like ratio. A figure obtained by bit-like transformation is called a bit-like figure. Two Each pair of corresponding points on the bit-like graph is on the same line as the bit-like center, and the ratio of the distance between the new figure and the corresponding point on the original figure to the bit-like center is equal to the bit-like ratio.

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Delivery time	50-55days
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