منابع مشابه
A linear algorithm for Brick Wang tiling
In computer graphics, Wang tiles are used as a tool to generate non periodic textures and patterns. We develop a framework and a method for the tiling problem which is suitable for applications. In particular, we apply our methodology to a special kind of Wang tiles, called Brick Wang tiles, introduced by Derouet-Jourdan et al. in 2015 to model wall patterns. We generalise their result by provi...
متن کاملA Tiling Algorithm for High School Timetabling
This paper presents a tiling algorithm for high school timetabling. The meetings are grouped into small, regular clusters called tiles, each of which is thereafter treated as a unit. Experiments with three actual instances show that tiling, coupled with an alternating path algorithm for assigning resources to meetings after times are fixed, produces good, comprehensible timetables in about ten ...
متن کاملA 28-Approximation Algorithm for Rectangle Tiling
We study the following problem. Given ann×n arrayA of nonnegative numbers and a natural number p, partition it into at most p rectangular tiles, so that the maximal weight of a tile is minimized. A tile is any rectangular subarray of A. The weight of a tile is the sum of the elements that fall within it. In the partition the tiles must not overlap and are to cover the whole array. We give a 2 8...
متن کاملA matrix LSQR algorithm for solving constrained linear operator equations
In this work, an iterative method based on a matrix form of LSQR algorithm is constructed for solving the linear operator equation $mathcal{A}(X)=B$ and the minimum Frobenius norm residual problem $||mathcal{A}(X)-B||_F$ where $Xin mathcal{S}:={Xin textsf{R}^{ntimes n}~|~X=mathcal{G}(X)}$, $mathcal{F}$ is the linear operator from $textsf{R}^{ntimes n}$ onto $textsf{R}^{rtimes s}$, $ma...
متن کاملPolyominoes tiling by a genetic algorithm
Most existing placement algorithms were designed to handle blocks that are rectangular in shape. In this paper, we show how a genetic algorithm (GA) is used to construct an optimal arrangement of two-dimensional rectilinear blocks. Our approach does not require the orientation of each block to be fixed. To transform the placement problem to a GA problem, we devised a decoding technique known as...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Japan Journal of Industrial and Applied Mathematics
سال: 2019
ISSN: 0916-7005,1868-937X
DOI: 10.1007/s13160-019-00369-z