Essays about: "non negative matrix"

Showing result 1 - 5 of 26 essays containing the words non negative matrix.

  1. 1. Evolving Community Detection in Dynamic Networks using Nonnegative Tensor Decomposition : An Approach Toward Green Networking

    University essay from Luleå tekniska universitet/Datavetenskap

    Author : Manasik Hassan Adam Ali; [2023]
    Keywords : ;

    Abstract : Around 1.8–2.8% of the world’s total greenhouse gas emissions are contributed by the ICT sector, with telecommunications networks accounting for 26.4% of this total ICT share. READ MORE

  3. 2. Help Document Recommendation System

    University essay from Malmö universitet/Fakulteten för teknik och samhälle (TS)

    Author : Keerthi Vijay Kumar; Pinky Mary Stanly; [2023]
    Keywords : Document similarity; Recommender systems; content-based filtering; collaborative filtering; Term Frequency-Inverse Document Frequency TF-IDF ; Bidirectional Encoder Representation from Transformers BERT ; Non-Negative Matrix Factorisation NMF ; cosine similarity; K-means clustering;

    Abstract : Help documents are important in an organization to use the technology applications licensed from a vendor. Customers and internal employees frequently use and interact with the help documents section to use the applications and know about the new features and developments in them. READ MORE

  4. 3. Perron–Frobenius theorem and Z≥0[S3]-semimodules

    University essay from Uppsala universitet/Algebra, logik och representationsteori

    Author : Mikolaj Cuszynski-Kruk; [2022]
    Keywords : ;

    Abstract : In this thesis, the Perron–Frobenius theorem which in its most general formstates that the spectral radius of a non-negative real square matrix is an eigenvaluewith a non-negative eigenvector, is proven. Related properties arederived, in particular the Collatz–Wielandt formula and a general form of anon-negative idempotent matrices. READ MORE

  5. 4. Dimensionality Reduction in High-Dimensional Profile Analysis Using Scores

    University essay from Linköpings universitet/Tillämpad matematik; Linköpings universitet/Tekniska fakulteten

    Author : Jonathan Vikbladh; [2022]
    Keywords : High-dimensional data; Hypothesis testing; LR test; Linear scores; Multivariate analysis; Profile analysis; Spherical distributions;

    Abstract : Profile analysis is a multivariate statistical method for comparing the mean vectors for different groups. It consists of three tests, they are the tests for parallelism, level and flatness. The results from each test give information about the behaviour of the groups and the variables in the groups. READ MORE

  6. 5. Green Protein Hydrogels and Non-dry Aerogels in Water Purification

    University essay from KTH/Kemi

    Author : Emanuel Nelsson Vedung; Alexander Singh; Julia Wadefjord; [2022]
    Keywords : Aerogel; Hydrogel; Whey Protein Isolate; Water purification; Adsorption; Sustainability;

    Abstract : Having access to clean water is not a certainty for every human being. Today, there are major problems with polluted water that not just affect us humans, but also the ecosystem around us. In recent years, research into making aerogels from protein nanofibrils (PNF) has increased. READ MORE