Computers and Technology, 03.03.2020 06:05 lasrdw
Hidden Surface removal is a problem in computer graphics that scarcely needs an introduction: when Woody is standing in front of Buzz, you should be able to see Woody but not Buzz, when Buzz is standing in front of Woody,... well, you get the idea.
The magic of hidden surface removal is that you can often compute things faster than your intuition suggests. Here’s a clean geometric example to illustrate a basic speed-up that can be achieved. you are given n nonvertical lines in the plane, labeled L1, . . . , Ln, with the i th line specified by the equation y = aix + bi. We will make the assumption that no of three of the lines meet at a single point. We say line Li is uppermost at a given x-coordinate x0 if its y-coordinate at x0 is greater than y-coordinate of all the other lines at x0 : aix0 + bi > ajx0 + bj ∀j 6= i. We say line Li is visible if there is some x-coordinate at which it is uppermost-intuitively, some portion of it can be seen if you look down from "y = [infinity]".
Give an algorithm that takes $n$ lines as input and in $O(n\log n)$ time returns all of the ones that are visible.
Answers: 3
Computers and Technology, 22.06.2019 22:40
Least square fit to polynomial write a function leastsquarefit3pol that solves a linear system of equations to find a least squares fit of a third order polynomial to an experimental data set given as two row arrays. the function leastsquarefit3pol must explicitly solve a set of linear equations and cannot use polyfit. there should be no restriction on the size of the problem that can be solved.
Answers: 1
Computers and Technology, 22.06.2019 23:00
Which factor is the most important when choosing a website host? whether customers will make secure transactions the number of email accounts provided the purpose of the website the quality of the host control panel
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Computers and Technology, 23.06.2019 14:00
In which job role will you be creating e-papers, newsletters and preiodicals
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Computers and Technology, 24.06.2019 00:50
Which player type acts on other players? a. killer b. achiever c. explorer d. socializer
Answers: 1
Hidden Surface removal is a problem in computer graphics that scarcely needs an introduction: when W...
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