对于离散优化问题的纠辅助变量算法
Lorenzo Fioroni1,2, Vincenzo Savona1,2
1Laboratory of Theoretical Physics of Nanosystems, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland.
概括
这项研究引入了一种新的启发量子化来解决复杂的离散优化问题的启发式启发式. 它提供了一种利用量子效应的可扩展方法,潜在地改进了大型应用的现有解决方案.
科学领域:
- 计算物理 计算物理
- 量子计算是一种量子计算.
- 运营研究 运营研究
背景情况:
- 离散优化问题广泛存在,但在计算上具有挑战性.
- 经典物理启发的启发式常见,但量子化提供了一种新的方法.
- 现有的量子回火硬件可用于模拟和数字设备.
研究的目的:
- 开发一种新的启发式启发,灵感来自量子化.
- 为了利用通用一致状态作为量子状态表示的变化Ansatz.
- 为了使能量和梯度的有效计算能够进行大规模优化.
主要方法:
- 开发了一种灵感来自量子解热的启发式启发式.
- 作为参数化的变量替代品,使用了通用一致状态.
- 分析了具有多项式复杂性的能量和梯度计算.
- 在3D爱德华兹-安德森模型上进行基准标记.
主要成果:
- 启发式允许分析计算能量和梯度的低多项式复杂性.
- 该方法可扩展到数千次旋转的问题.
- 一般化的连贯状态捕捉了重要的纠性质.
- 在3D爱德华兹-安德森模型上,性能与其他流行的启发方式进行了比较.
结论:
- 拟议的启发式提供了一个可扩展的方法来利用量子效应进行离散优化.
- 这种方法有可能补充或增强传统的优化技术.
- 它为解决大规模,复杂的优化挑战提供了一个有前途的途径.
相关概念视频
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
267
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
267
Statically Indeterminate Problem Solving
671
Statically indeterminate problems are those where statics alone can not determine the internal forces or reactions. Consider a structure comprising two cylindrical rods made of steel and brass. These rods are joined at point B and restrained by rigid supports at points A and C. Now, the reactions at points A and C and the deflection at point B are to be determined. This rod structure is classified as statically indeterminate as the structure has more supports than are necessary for maintaining...
671
Gaussian Elimination: Problem Solving
147
Systems of linear equations in several variables are pivotal in modeling complex scenarios involving multiple unknowns and constraints. Such systems are widely used in various fields to represent relationships where several conditions must be simultaneously satisfied. Each variable in the system corresponds to an unknown quantity, while each equation imposes a linear constraint, leading to a structured approach for analyzing and solving real-world problems.A system of three equations with three...
147
Stability of Equilibrium Configuration: Problem Solving
963
The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the tendency of an object or system to return to its equilibrium position after being disturbed. The stability of an equilibrium configuration can be analyzed by considering the potential energy function of the system and examining its behavior near the equilibrium point.
Problem-solving in the context of the stability of equilibrium configuration...
Problem-solving in the context of the stability of equilibrium configuration...
963
Mathematical Modeling: Problem Solving
231
Mathematical modeling transforms real-world scenarios into mathematical expressions, allowing for structured problem-solving and analysis. This process involves defining the situation, assigning variables to measurable quantities, selecting an appropriate model, and solving the resulting equation. Such models are invaluable in finance, providing precise methods to evaluate investments, loans, and repayment structures.A widely used example is the calculation of fixed monthly payments on a loan,...
231
Synthetic Disvision of Polynomials
121
Synthetic division is an efficient algorithmic approach for dividing a polynomial by a linear binomial of the form x - c, where c is a real number. This method is helpful due to its streamlined process, which avoids the more cumbersome steps involved in the traditional long division of polynomials. It simplifies computation and serves as a practical tool for evaluating polynomials and identifying their factors.To perform synthetic division, one begins by listing the coefficients of the...
121


