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检索条件"任意字段=2nd International Conference on Nonlinear Programming with Applications"

共 1895 条记录，以下是381-390 订阅

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Implementing Personalised Learning For Mixed Ability Students For Computer programming In A Learning Environment 2

Implementing Personalised Learning For Mixed Ability Student...

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2nd international conference on Next Generation Computing applications (NextComp)

作者： Ahku, Vijayprakash Chandreekant Panchoo, Shireen Univ Technol Mauritius Sch Innovat Technol & Engn Port Louis Mauritius

ISBN: (纸本)9781728114606

Computer programming is still a challenge today due to its complex nature. In mixed ability classes, slow students face difficulties in following the pace of their teachers and, very often they lag behind and fail in acquiring the necessary programming skills. A personalized learning environment was implemented to cater for pedagogical assistance mainly in terms of customized content and relevant feedback for low, average and high level students, in order to enable them progress at their own pace. As methodology, a pre-test on key components of programming was carried out in order to understand the students' difficulties in learning programming. The platform was developed using codeigniter 3 and MySQL database. The interactions were logged and analysed. The exponential moving average was used in the system to enable teachers to monitor all the students progress and thereafter, take remedial actions accordingly. The system has been tested by a team of thirty students, for a duration of nine weeks, from a private upper secondary school. The result shows there has been an improvement in the post test as well as the summative assessment. The platform, along with its pedagogical set up and the supports of the teacher, has positive impacts on all the students progress and perception.

关键词： personalized e-learning programming ICT mixed ability exponential moving average learning environment dry run

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Exploring the Use of Tangible User Interfaces for Teaching Basic Java programming Concepts: A Usability Study 2

Exploring the Use of Tangible User Interfaces for Teaching B...

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2nd international conference on Next Generation Computing applications (NextComp)

作者： Nathoo, Amaan Gangabissoon, Tanveer Bekaroo, Girish Middlesex Univ Mauritius Sch Sci & Technol Uniciti Flic En Flac Mauritius

ISBN: (纸本)9781728114606

Computer programming has become an essential technical proficiency needed by companies especially within the Information Technology industry. To prepare graduates with the required skills and knowledge, many university courses have integrated modules that teach students such concepts. However, learning programming languages was found to be challenging to students as concepts are abstract, making it difficult for students to understand. In order to address such challenges and to innovate from traditional learning techniques, tangible user interfaces (TUI) could potentially be used to enhance learning experience. However, limited work has been done to investigate the use of TUI for students to learn the programming languages. Due to this limitation, the usability of such systems has not been well studied even though this quality attribute is important to investigate so as to improve adoption of systems by end users. This study delves into the usability of a TUI system for teaching basic java programming concepts. To achieve this purpose, a prototype was developed using Processing and ReacTIVision. The usability of the proposed prototype was evaluated through application of the System Usability Scale. Results revealed that the system is acceptable on the scale used although different limitations were identified.

关键词： Tangible User Interface Java programming Usability System Usability Scale Teaching and Learning

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The optimal trajectory programming for intelligent aircraft under multi-constraint conditions 2

The optimal trajectory programming for intelligent aircraft ...

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2nd international conference on Algorithms, Computing and Artificial Intelligence, ACAI 2019

作者： Song, Rui Song, Xumin Wang, Yuheng Space Engineering University Beijing China South China University of Technology Guangzhou China

ISBN: (纸本)9781450372619

In a complex environment, the intelligent aircraft cannot be located precisely due to some uncontrollable factors. Once the positioning error accumulates to a certain extent, the mission may fail. Therefore, correcting the positioning error during flight is a critical task in the route planning. In this paper, the NSGA-II algorithm is used to solve the optimal trajectory programming for intelligent aircraft under multi-constraint conditions. Firstly, the optimal trajectory programming model of the intelligent aircraft is established by the flight strategy which put the least correction point and the shortest route as limits. Then, with regarding to the model corresponding to the multi-constrained nonlinear optimization problem, the NSGA-II algorithm is used to solve the problem. Finally, the optimal trajectory programming for intelligent aircraft is proved to be promising in terms of effective-ness and system efficiency by simulation under the conditions of guaranteed turning radius, horizontal error and vertical error. © 2019 ACM.

关键词： Aircraft

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nonlinear Optical Properties of Gold-silica Nano-particles 2

Nonlinear Optical Properties of Gold-silica Nano-particles

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2nd international conference on Engineering Technology and its applications, IICETA 2019

作者： Al-Ibraheemi, Sattar Al-Ibraheemi, Fuqdan A. Gatea, Maher Abdulfadhil Education Ministry Najaf Iraq University of Al-Ameed Basic Sciences Faculty of Dentistry Karbala Iraq Islamic University Computer Technical Engineering Department Najaf Iraq

ISBN: (纸本)9781728141053

A gold/silica nanocomposite was prepared via a laser ablation method and was characterized via UV-visible (Vis) absorption spectrometry and field emission scanning electron microscopy (FESEM). The Au@SiO2 nano composite was formed via nanosecond-pulsed laser irradiation on a gold plate in a silicon nanoparticle (NP) colloidal solution, which had been prepared through the laser ablation of Si wafer in deionized water and polyvinylpyrrolidone surrounding liquids;whereas the SiO2@Au nanocomposite was formed by ablating silicon wafer from a colloidal solution of gold NPs. The UV-Vis absorption spectrum of the core-shell colloidal solutions showed a surface plasmon resonance peak at 524 nm. The diameter of the core part and the shell thickness of both NPs in the solution were confirmed by FESEM images. The nonlinear optical (NLO) properties of both colloidal solutions were studied using the Z-scan method. Results showed considerable improvement for NLO properties by replacing water with polyvinyl lpyrrolid one as surrounding liquids. The nonlinear absorption value was improved by one order of magnitude with a negative sign, which illustrated a storable absorption phenomenon. © 2019 IEEE.

关键词： Silica

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Impulsive functional Differential Inclusions on Unbounded Domain

Impulsive functional Differential Inclusions on Unbounded Do...

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international conference on Mathematics and Information Technology (ICMIT)

作者： Bahya Roummani Abdelghani Ouahab Laboratory of Mathematics Modelisation and Applications (LAMMA) University Ahmed Draia of Adrar Adrar Algeria Mathematics and Computer Science Department University Ahmed Draia of Adrar Adrar Algeria

The following topics are dealt with: differential equations; pattern clustering; Banach spaces; nonlinear differential equations; asymptotic stability; delays; wireless sensor networks; text analysis; Lyapunov methods... 详细信息

ISBN: (数字)9781728125800

ISBN: (纸本)9781728125817

关键词： Extraterrestrial measurements Differential equations Mathematical model Information technology Delays

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Derivative Free Conjugate Gradient Method via Broyden's Update for solving symmetric systems of nonlinear equations 2

Derivative Free Conjugate Gradient Method via Broyden's Upda...

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2nd international conference on Applied and Industrial Mathematics and Statistics (ICoAIMS)

作者： Dauda, M. K. Mamat, Mustafa Mohamad, Fatma Susilawati Magaji, Abubakar S. Waziri, M. Y. Kaduna State Univ Dept Math Sci Kaduna Nigeria Univ Sultan Zainal Abidin Gong Badak Dept Informat & Comp Terengganu Malaysia Bayero Univ Dept Math Sci Kano Nigeria

The applications of mathematics in many areas of computing, scientific and engineering research mostly give rise to a systems of nonlinear equations. Various iterative methods have been developed to solve such equations, this includes Newton method, Quasi-Newton's etc. Over the years, there has been significant theoretical study on quasi-Newton methods for solving such systems, but unfortunately the methods suffers setback. To overcome such problems, a Derivative free Method for Solving Symmetric Systems of nonlinear Equations Using Broyden's Update is presented. The modification is achieved by simply approximating the inverse Hessian matrix Qa, to Ok/ with (Bk and I represents acceleration parameter and an identity matrix respectively) without computing any derivative. The method uses the symmetric structure of the system sufficiently and the generalized classical Broyden' s update method for unconstrained optimization problems. The squared norm merit function is used, both the direction and the line search technique are derivative-free, this attractive feature of the proposed method makes it to have a very low storage requirement thereby solving large scale problems successfully. In an effort to solve nonlinear problems of the form F (x) = 0, x E Rn, different initial starting points were used on a set of benchmark test problems, the output is based on number of iterations and CPU time. A comparison between the proposed method and the classical methods were made and found that the proposed method is efficient, robust and outperformed the existing method.

关键词： Newton-Raphson method

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Quadratic time algorithm for maximum induced matching problem in trapezoid graphs 19

Quadratic time algorithm for maximum induced matching proble...

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2nd international conference on Information Science and System (ICISS)

作者： Viet-Dung Nguyen Phan-Thuan Do Korea Adv Inst Sci & Technol Daejeon South Korea Hanoi Univ Sci & Technol Hanoi Vietnam

ISBN: (纸本)9781450361033

Maximum matching problem is one of the most fundamental and applicable problems in graph theory. Various algorithms to solve it are introduced from the mid-20th century. Recently, maximum induced matching problem, which is finding a matching of maximum size where every two distinct matches are not connected by any edge, has drawn a big attention among researchers because of its importance in marriage problems, artificial intelligence and VLSI design. First proposed by Cameron in 1989, the problem is proved to be NP-hard in general graphs. Nevertheless, a maximum induced matching can be found in polynomial time for many special graph classes such as co-comparability graphs and chordal graphs. Trapezoid graphs, which are a subclass of co-comparability graphs, arise in many applications, especially VLSI circuit design. In this paper, we design an O(n(2)) solution for finding a maximum induced matching in trapezoid graphs which are a subclass of co-comparability graphs, based on a dynamic programming method on edges with the aid of the sweep line technique on the geometry representation of trapezoid graphs. Our approach is to construct the longest chain of ordered edges starting from an arbitrary edge such that these edges form an induced matching. A sweep line moving from right to left correctly determines the order of dynamic processes. Our result is far better than the best known O(m(2)) algorithm proposed by Golumbic et al in 2000.

关键词： maximum induced matching trapezoid graph dynamic programming

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The Role of Activation Function in CNN

The Role of Activation Function in CNN

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Information Technology and Computer Application (ITCA), international conference on

作者： Wang Hao Wang Yizhou Lou Yaqin Song Zhili College of Computer Science and Information Engineering Shanghai Institute of Technology ShangHai China Southeast University NanJing China

We all know that the purpose of introducing activation function is to give neural network nonlinear expression ability, so that it can better fit the results, so as to improve the accuracy. However, different activation functions have different performance in different neural networks. In this paper, several activation functions commonly used by researchers are compared one by one, and qualitative comparison results are given by combining with specific neural network models. For example, when using the MNIST dataset in LeNet, PReLU achieved the highest accuracy of 98.724%, followed by Swish at 98.708%. When cifar-10 data set was used, the highest accuracy rate of ELU was 64.580%, followed by Mish at 64.455%. When Using VGG16, ReLU reached the highest accuracy of 90.226%, followed by PReLU at 90.197%. When using ResNet50, ELU achieved the highest accuracy of 89.943%, followed by Mish at 89.780%.

关键词： Neural networks Computer applications Information technology

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A Study of the Impact of programming Language Selection on CO2 emission – A Green IT Initiative

A Study of the Impact of Programming Language Selection on C...

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international conference on Data, Engineering and applications (IDEA)

作者： Deepak Jain Rajesh K Shukla Mohit Singh Tomar Prachi Sharma SIRT Bhopal India

ISBN: (数字)9781728157184

ISBN: (纸本)9781728157191

Inspired from the green revolution in IT industry where measures are being taken to reduce the CO 2 emission. This s being down by proposing various new hardware design which consume less power, also it is being taken care that the device used should not get heated up very soon or to very high temperature where again cooling is required which again add to CO 2 emission. Here we proposed another way through which IT industry can serve the environment by reducing the power consumption of the computer system. This is the area where none of the researcher has thought-off. We tried to propose the use of programming language to provide IT solution based on the complexity of the algorithms used, which in turn helps to consume less power by the CPU. Here we have chosen three high-level programming languages (C++, C#, and JAVA) to compare the power consumed by algorithms of various complexities using the chosen languages. This may help our IT industry to choose programming language which consumes less power. This may help our IT Industries to Go Green

关键词： Green computing CO2 emission power consumption of programming language complexity of algorithm Power consumption Computer programming Languages Information technology industry Green computing Computer systems Energy sources Carbon Dioxide Java Java programming language computer hardware design algorithms Green revolution emission Emissions

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The Analysis and the Need of Ubiquitous Learning to Engage Children in Coding 2nd

The Analysis and the Need of Ubiquitous Learning to Engage C...

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2nd international conference on Emerging Trends in Electrical, Electronic and Communications Engineering (ELECOM)

作者： Hosanee, Yeeshtdevisingh Panchoo, Shireen Univ Technol Mauritius Port Louis Mauritius

ISBN: (纸本)9783030182403;9783030182397

Learning computer programming today is still difficult at any age. However, several studies have been done to encourage learning computer programming in a ubiquitous environment. In this paper, we identify the requirements needed to support ubiquitous learning in existing software tools for teaching and learning computer programming to children of age between 4-10 years old. Twenty two tools were analysed and contrasted with five known characteristics of ubiquitous learning. Permanency, accessibility, immediacy, interactivity and context-awareness are the five mentioned characteristics. They are each evaluated and elaborated in the study carried out. On an end note, we highly recommend to add ubiquitous learning characteristics in children's programming tools.

关键词： Computer programming Operating system Platform Ubiquitous learning (UL) Young children

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