Sökning: "Ping Lu"

Visar resultat 1 - 5 av 10 uppsatser innehållade orden Ping Lu.

  1. 1. Relating the Arnoldi approximation to the best Chebyshev approximation of the characteristic polynomial - A study using a complex valued variant of the Remez algorithm

    Kandidat-uppsats, Lunds universitet/Matematik (naturvetenskapliga fakulteten); Lunds universitet/Matematikcentrum

    Författare :Thomas Renström; [2022]
    Nyckelord :Chebyshev; Arnoldi; Remez; Tang; approximation; matrix; complex; characteristic polynomial; Mathematics and Statistics;

    Sammanfattning : The Remez algorithm is a beautiful algorithm that finds the best approximation to a function by finding points satisfying the alternation condition. In 1987 Ping Tang published his doctoral thesis detailing a version of the Remez algorithm modified for functions of complex values with complex coefficients. LÄS MER

  3. 2. The impact of nicotine consumption on driving safety risk of truck drivers - with sleep quality as a mediating variable

    Master-uppsats, Lunds universitet/Institutionen för tjänstevetenskap

    Författare :Ping He; Alban Xhafa; [2022]
    Nyckelord :truck driver; nicotine consumption; sleep quality; driving safety; sustainable supply chain; Social Sciences;

    Sammanfattning : Introduction and aim: From a sustainable supply chain standpoint, concern for workers' safety on the job is essential. Driving safety is vital since accidents in the trucking industry often result in the deaths of both truck drivers and other road users. LÄS MER

  4. 3. Trust Between Customers and Hotels: Through the Expression of Trust of Customers

    Master-uppsats, Lunds universitet/Institutionen för tjänstevetenskap

    Författare :Yi-Ping Liu; [2020]
    Nyckelord :Trust; Customer Trust; Hotel Trust; Hotel Sector; Hospitality; Tourism; Service Industry; Tripadvisor; Netnography; Social Sciences;

    Sammanfattning : The thesis aims to explore the customers' attitude and perception about trust between customers and hotels through the expression of trust of customers. Hotels nowadays interact and build relationships with customers frequently where there are many possible terms evoking expression of trust customers. LÄS MER

  5. 4. Materialitet och genus på fritidsgården. En pingisboll på vift, ett schackbord utan pjäser och den (o)synliga mobiltelefonen

    Kandidat-uppsats, Lunds universitet/Avdelningen för etnologi

    Författare :Sandra Lundin; [2019]
    Nyckelord :Youth recreation center; youth culture; material culture; gender; social work; Cultural Sciences;

    Sammanfattning : The purpose of this study is to analyze how staff and young people use and experience materiality in the youth recreation center in order to increase staff's knowledge about ways of working with gender roles. The material consists of observation records and a focus group interview with staff from a youth recreation center in southern Sweden. LÄS MER

  7. 5. Array Element Localisation

    Master-uppsats, Lunds universitet/Matematisk statistik

    Författare :Axel Sundberg; Olle Bristedt; [2017]
    Nyckelord :Mathematics and Statistics;

    Sammanfattning : Abstract—This article have been written in cooperation with The Swedish Defense Research Agency (FOI). The article proposes a method to calibrate hydrophone positions for improved underwater survailence in The Baltic Sea. LÄS MER