Given a vector with Cartesian components (x, y), if scaling is done with the matrix [[0.5, 0], [0, 1.5]], which of the following are true?
1. Decreases the vertical by three halves
2. Increases the vertical by three halves
3. Doubles the horizontal
4. Halves the horizontal
Choose the correct answer from the options given below:
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Correct answer: D. 2 and 4 only
Explanation
x′ = 0.5x (horizontal halved) and y′ = 1.5y (vertical scaled up by 3/2).More Programming Languages and Computer Graphics questions
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