UGC NET JULY 2018 (Computer Science And Applications Paper-II) (Question 10)
Q10. Consider the matrix M = ⃒ 2 0 2 ⃒ representing a set of planet (2D) geometric
⃒ 0 1 1 ⃒
⃒ 0 0 1 ⃒
transformations in homogeneous coordinates. Which of the following statements about the matrix M is True ?
(1). M represents first, a scaling of vector (2,1) followed by translation of vector (1,1).
(2). M represents first, a translation of vector (1,1) followed by scaling of vector (2,1).
(3). M represents first, a scaling of vector (3,1) followed by shearing of parameter (-1,1).
(4). M represents first, a shearing of parameter (-1,1) followed by scaling of vector (3,1).
Answer : (2). M represents first, a translation of vector (1,1) followed by scaling of vector (2,1).
Q10. Consider the matrix M = ⃒ 2 0 2 ⃒ representing a set of planet (2D) geometric
⃒ 0 1 1 ⃒
⃒ 0 0 1 ⃒
transformations in homogeneous coordinates. Which of the following statements about the matrix M is True ?
(1). M represents first, a scaling of vector (2,1) followed by translation of vector (1,1).
(2). M represents first, a translation of vector (1,1) followed by scaling of vector (2,1).
(3). M represents first, a scaling of vector (3,1) followed by shearing of parameter (-1,1).
(4). M represents first, a shearing of parameter (-1,1) followed by scaling of vector (3,1).
Answer : (2). M represents first, a translation of vector (1,1) followed by scaling of vector (2,1).
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