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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Structural Utilization in Learing to Optimize
学习优化 结构利用 人工智能
2023/11/13
AI领域发展迅速，今天看似先进的大模型，几年后可能会被视为落后的小模型。然而，无论技术如何演化，基于第一性原则的结论却能长久有效。在这个报告中，我们将研究如何利用神经网络进行一阶法加速和求解混合整数优化问题，并通过数学推导得到神经网络所必须具备的结构，从而起到简化训练并提升稳定性的作用。
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Learn to Optimize
学习 优化 数值特性 Learn to Optimize 机器学习
2023/5/12
数学优化是一个基础领域，研究如何在给定的一组约束条件下找到函数的最小值。面对着非凸、组合、高纬度、数值问题等挑战下，在过去的 80 年中运筹专家、经济学家、控制论专家和数学家通过对数学和数值特性的研究，发现了一系列有效的方法。然而，一种被称为Learn to Optimize新范式可以利用机器学习来加速发现新的优化方法。本报告将介绍两个新工作。一个是关于图神经网络用于线性规划和混合整数规划求解的理...
Researchers at the Cornell University Center for Advanced Computing (CAC), Texas Tech University, and Indiana University are engaged in a $298,000 NSF-funded EAGER grant designed to optimize future cy...
Researchers at the Cornell University Center for Advanced Computing (CAC), Texas Tech University, and Indiana University are engaged in a $298,000 NSF-funded EAGER grant designed to optimize future cy...
EXTRACTION OF BUILDING ROOF EDGES FROM LIDAR DATA TO OPTIMIZE THE DIGITAL SURFACE MODEL FOR TRUE ORTHOPHOTO GENERATION
LiDAR Aerial photos Edge Detection DSM True Orthophoto
2018/6/5
Various kinds of urban applications require true orthophotos. True orthophoto generation requires a DSM (Digital Surface Model) to project the photo orthogonally and minimize geometric distortion due ...
Scientists optimize FRET-FLIM to study activity of two signaling molecules within a single dendritic spine
Scientists FRET-FLIM two signaling molecules single dendritic spine
2016/11/4
An ongoing challenge for scientists working to understand the brain is being able to see all its parts. Researchers have spent centuries developing better imaging techniques to see beyond the abilitie...
DHA supplementation during pregnancy does not reduce BMI or body fat mass in children: follow-up of the DHA to Optimize Mother Infant Outcome randomized controlled trial
body composition growth maternal nutrition omega-3 pregnancy
2018/11/30
Background: The omega-3 (n–3) long-chain polyunsaturated fatty acid (LCPUFA) docosahexaenoic acid (DHA) has proven effective at reducing fat storage in animal studies. However, a systematic review of ...
3D EXTENTION OF THE VOR ALGORITHM TO DETERMINE AND OPTIMIZE THE COVERAGE OF GEOSENSOR NETWORKS
Geosensor networks deployment Network coverage problem Voronoi based optimization algorithm
2014/12/1
Recent advances in electrical, mechanical and communication systems have led to development of efficient low-cost and multi-function geosensor networks. The efficiency of a geosensor network is signif...
Dynamic Modeling of Synthetic Microbial Consortia to Optimize the Co-fermentation of Glucose and Xylose
cellulosic ethanol fermentation flux balance modeling yeast
2014/11/10
Second-generation biofuels have the potential to replace fossil fuels in the energy economy without negatively impacting the food supply. An effective biocatalyst must be able to convert all sugars fo...
PULLMAN, Wash. – Researchers led by a Washington State University biologist have found the optimal mechanism by which plants heal the botanical equivalent of a bad sunburn. Their work, published in th...
Using Queuing Theory and Simulation Model to Optimize Hospital Pharmacy Performance
Queuing Theory Patient Simulation Pharmacy Hospitals
2015/10/12
Background:: Hospital pharmacy is responsible for controlling and monitoring the medication use process and ensures the timely access to safe, effective and economical use of drugs and medicines for p...
Numerical method to optimize the Polar-Azimuthal Orientation of Infrared Superconducting Nanowire Single-Photon Detectors
Numerical method Infrared Superconducting Nanowire
2011/9/2
A novel finite-element method for calculating the illumination-dependence of absorption in three-dimensional nanostructures is presented based on the RF module of the COMSOL software package. This met...
Using a Microcontroller to Optimize the Bias Voltage of Balanced Photodiodes to Minimize Even-Order Distortion in Analog Fiber-Optic Links
Radio frequency photonics Photodiodes Fiber optic links subsystems
2015/6/4
Use of a microcontroller-based bias board for balanced photodiodes improves even-order distortion cancellation due to voltage dependent responsivity nonlinearities.The bias board improves the second o...
APPLYING A DECISION SUPPORT SYSTEM TO OPTIMIZE WATER MOVEMENTS：THE KING ABDALLAH CANAL AT THE JORDAN VALLEY
Decision Support System Jordan Valley Authority King Abdallah Canal OPTIMIZE WATER MOVEMENTS
2009/10/13
A Decision Support System (DSS) is one of the essential tools that help decision makers, professionals and managers operate, control and take decisions on a sound and integral basis. Applications of a...
Application of Genetic Algorithm to Optimize the Composition of Cu-Zn-Al-Sc Oxide Catalyst for Methanol Synthesis
Genetic algorithm Catalyst optimization Combinatorial chemistry
2009/7/24
A genetic algorithm (GA), which is based on the theory of biological evolution, was applied to optimize the composition of Cu-Zn-Al-Sc oxide catalyst for methanol synthesis to identify high performan...