Related Experiment Video
Updated: Feb 7, 2026

06:38
Pattern-based Search of Epigenomic Data Using GeNemo
Published on: October 8, 2017
5.4K
A Modified Sine-Cosine Algorithm Based on Neighborhood Search and Greedy Levy Mutation
Chiwen Qu1, Zhiliu Zeng2, Jun Dai3
1School of Information Engineering, Baise University, Baise 533000, China.
Computational Intelligence and Neuroscience
|August 4, 2018
Summary
This study introduces an improved sine-cosine algorithm (SCA) to address global optimization challenges. The enhanced SCA demonstrates faster convergence and higher accuracy, effectively avoiding local optima.
Area of Science:
- Computational Intelligence
- Optimization Algorithms
- Heuristic Computing
Background:
- The basic sine-cosine algorithm (SCA) suffers from low solution precision and slow convergence, limiting its effectiveness in global optimization.
- Addressing these deficiencies is crucial for advancing computational intelligence and solving complex problems.
Purpose of the Study:
- To propose a novel improved sine-cosine algorithm (SCA) that overcomes the limitations of the basic version.
- To enhance the global exploration and local development capabilities of the SCA for superior optimization performance.
Main Methods:
- Implemented an improved sine-cosine algorithm (SCA) incorporating three key strategies.
- Utilized exponential decreasing conversion parameter and linear decreasing inertia weight for balanced exploration and development.
- Incorporated random individuals near optimal solutions to escape local optima and expand search range.
- Applied a greedy Levy mutation strategy to optimal individuals to improve local development.
Main Results:
- The proposed improved sine-cosine algorithm (SCA) effectively avoids premature convergence into local optima.
- Demonstrated significantly faster convergence speeds compared to the basic SCA.
- Achieved higher optimization accuracy in solving global optimization problems.
Conclusions:
- The enhanced sine-cosine algorithm (SCA) offers a robust solution for global optimization problems.
- The integration of adaptive parameters, random individual replacement, and Levy mutation enhances algorithmic performance.
- This improved SCA provides a valuable tool for researchers and practitioners seeking efficient and accurate optimization solutions.
More Related Videos
Related Concept Videos
Mutations
94.5K
Overview
94.5K
Mutations
44.6K
Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors. Mutations can be characterized in a number of different ways: whether and how they alter the amino acid sequence of the protein, whether they occur over a small or large area of DNA, and whether they occur in somatic cells or germline cells.
Chromosomal Alterations Are Large-Scale Mutations
While point mutations are changes in a single nucleotide in...
Chromosomal Alterations Are Large-Scale Mutations
While point mutations are changes in a single nucleotide in...
44.6K
The Law of Cosines
328
The Law of Cosines is a fundamental result in trigonometry that relates the lengths of the sides of a triangle to the cosine of one of its angles. It serves as a generalization of the Pythagorean Theorem, enabling calculations in non-right triangles where the simple relationships of right-angled geometry no longer apply. The formula is especially useful in scenarios where direct measurement of one side or angle is not feasible, such as in surveying, navigation, and engineering applications.For...
328
Integrals of Powers of Sine and Cosine
68
Trigonometric integrals involve the integration of expressions containing powers of sine, cosine, and related functions. They are common in calculus problems and have applications in physics and engineering. The method for integrating expressions of the form sinm(x)cosn(x) depends on whether the exponents are odd or even.If the power of sine is odd, one sine factor is separated from the integrand, leaving an even power of sine. The remaining sine terms are rewritten in terms of cosine using the...
68
Direction Cosines of a Vector
1.5K
Direction cosines, which help describe the orientation of a vector with respect to the coordinate axes, are an essential concept in the field of vector calculus. Consider vector A that is expressed in terms of the Cartesian vector form using i, j, and k unit vectors. The magnitude of vector A is defined as the square root of the sum of the squares of its components. The direction of this vector with respect to the x, y, and z axes is defined by the coordinate direction angles α, β, and γ,...
1.5K
Viral Mutations
39.9K
A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material...
39.9K

