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Articles 661 - 667 of 667
Full-Text Articles in Mathematics
Semi-Automated Frame Transformations Using Fft Analysis On 2-D Images, Francisco Javier Osuna
Semi-Automated Frame Transformations Using Fft Analysis On 2-D Images, Francisco Javier Osuna
Open Access Theses & Dissertations
Cassini entered Saturn's orbit on July 1, 2004 beginning a four-year exploration of Saturn. In 2008 the mission was extended, and Cassini continues to collect and transmit images and data collected during its mission. In order to accurately interpret images, it is necessary to know the location and orientation of the camera provided the field of view when the image was collected. While the mission managers provide initial estimates of this orientation, scientific analysis requires better estimates than the initial data provided. Navigation is a process for improving the estimation of the true camera pointing vector as determined by features …
Multiplicative Riesz Decomposition On The Ring Of Matrices Over A Totally Ordered Field, Julio Cesar Urenda
Multiplicative Riesz Decomposition On The Ring Of Matrices Over A Totally Ordered Field, Julio Cesar Urenda
Open Access Theses & Dissertations
The Riesz Decomposition Theorem for lattice ordered groups asserts that when G is an l-group and when a nonnegative element a is bounded by a product of nonnegative elements b1,...,bn, then a can be decomposed into a product of nonnegative elements b'1,...,b'n, i.e., a = b'1·...·b' n, with the property that b'i ≤ bi for any i = 1,...,n. In this work we characterize all nonnegative matrices for which this decomposition is possible with respect to matrix multiplication. In addition, we show that this result can be applied to ordered semigroups.
Third Grade Students' Challenges And Strategies To Solving Mathematical Word Problems, Elizabeth Bernadette
Third Grade Students' Challenges And Strategies To Solving Mathematical Word Problems, Elizabeth Bernadette
Open Access Theses & Dissertations
This project explores the difficulties and challenges that third grade students face solving mathematical word problems. Three students were asked to be participants and share their knowledge on this topic as well as their work. After extensive interviews it was concluded that the challenges of mathematical word problems include but are not limited to the level of reading comprehension, conceptual understanding of mathematical concepts, and the belief that math is a compilation of computations and unexplainable procedures. The participants provided insight as to what strategies are helpful to students. These strategies include group discussion on problem solving strategies, self-assessment, incorporating …
Introduction To Pseudo-Ordered Groups, Maria Dolores Cruz
Introduction To Pseudo-Ordered Groups, Maria Dolores Cruz
Open Access Theses & Dissertations
We will give a definition, examples and basic properties of pseudo-ordered groups. These generalize partially-ordered groups. The pseudo-ordered groups have a compatible pseudo-order relation that may lack transitivity. Unlike partially-ordered groups, our groups can be finite and still admit a non-trivial pseudo-order. We will show necessary and sufficient conditions for a group to have a compatible pseudo-order. We also consider maximal pseudo-orders. We give a definition of a pseudo chain induced by a pseudo-order and characterize all pseudo chains on the group $\mathbb {Z}_{n}.$ We will calculate the number of non-isomorphic pseudo-orders on $\mathbb {Z}_{n}$ for $ n < 24.$
Survey Research On Communication And Language For English Language Learners And Native English Speakers Enrolled In A College Course On Statistical Literacy, Maria Guadalupe Valenzuela
Survey Research On Communication And Language For English Language Learners And Native English Speakers Enrolled In A College Course On Statistical Literacy, Maria Guadalupe Valenzuela
Open Access Theses & Dissertations
The purpose of this study was to examine in what ways language is a factor that affects the learning process of students in an introductory statistics class. This research used a questionnaire survey instrument called: CLASS, Communication, Language And Statistics Survey that was applied to a total of 137 college students from a large southwestern public university, 83 of these students were self-identified as native English speakers (NOELL) and 53 were self-identified as English learner speakers (ELL) and one was dropped. This research found that in statistical instruction, there are some particular differences in behavior and learning process in the …
Adaptive Hp-Fem For Elliptic Problems In 3d On Irregular Meshes, David Andrs
Adaptive Hp-Fem For Elliptic Problems In 3d On Irregular Meshes, David Andrs
Open Access Theses & Dissertations
This work deals with adaptive hp-FEM on irregular meshes. It shows the advantage of completely irregular meshes, using the arbitrary level hanging nodes. The above is demonstrated on a numerical example with distribution of electrical potencial.
On Markov Chain Monte Carlo Methods For Neural Networks, Raul Cruz-Cano
On Markov Chain Monte Carlo Methods For Neural Networks, Raul Cruz-Cano
Open Access Theses & Dissertations
Neural Networks (NN) have been used successfully to solve many different problems. It is an area of computer science and statistics that is very useful in real life. The advantages of NN consist of their ability to produce nonlinear input-output mapping, their adaptability, fault tolerance, uniform analysis and design. The search for better ways to train them consists of trying to find the optimal values of their free parameters. Some of these training algorithms are based on Markov Chains. They have some advantages over the traditionally used deterministic methods. In this document the main ideas related to these concepts are …