Sökning: "Uppsala Reza"
Visar resultat 1 - 5 av 8 uppsatser innehållade orden Uppsala Reza.
1. On Predicting Price Volatility from Limit Order Books
Master-uppsats, Uppsala universitet/Matematiska institutionenSammanfattning : Accurate forecasting of stock price movements is crucial for optimizing trade execution and mitigating risk in automated trading environments, especially when leveraging Limit Order Book (LOB) data. However, developing predictive models from LOB data presents substantial challenges due to its inherent complexities and high-frequency nature. LÄS MER
2. On the Modelling of Stochastic Gradient Descent with Stochastic Differential Equations
Master-uppsats, Uppsala universitet/Analys och partiella differentialekvationerSammanfattning : Stochastic gradient descent (SGD) is arguably the most important algorithm used in optimization problems for large-scale machine learning. Its behaviour has been studied extensively from the viewpoint of mathematical analysis and probability theory; it is widely held that in the limit where the learning rate in the algorithm tends to zero, a specific stochastic differential equation becomes an adequate model of the dynamics of the algorithm. LÄS MER
3. Managing a diversified business model portfolio : A digital platform company perspective
Master-uppsats, Uppsala universitet/Företagsekonomiska institutionenSammanfattning : In parallel with the popularization and widespread diffusion of the internet, interest in the concept of different business models (BM) has increased dramatically, attracting the attention of both scholars and managers alike (Dodgson, Gann and Phillips, 2013). As a result, an increasing number of businesses decide to establish themselves and compete in the digital arena (Lee, 2001); many of which are employing what is called a platform model capitalizing on the ability to operate with several BMs simultaneously (Gu, Kannan and Ma, 2018; Aversa, Haefliger, Hueller and Reza, 2021). LÄS MER
4. Hur idrottslärare ser på bollspel inom idrott och hälsa : En kvalitativ studie om hur idrottslärare motiverar bollspel i undervisningen
M1-uppsats, Gymnastik- och idrottshögskolan, GIH/Institutionen för rörelse, kultur och samhälleSammanfattning : Syftet med studien är att skapa en förståelse över hur idrottslärare i årskurs 7-9 motiverar bollspel i undervisningen med relation till kursplanen och det centrala innehållet, samt hur idrottslärare i årskurs 7-9 relaterar momentet bollspel till kunskapskraven. Hur motiverar idrottslärare i årskurs 7-9 bollspel som momentet i undervisningen med relation till kursplanen och det centrala innehållet? Hur relaterar idrottslärare i årskurs 7-9 bollspel som momentet i undervisningen till kunskapskraven? Metod: vi har valt att använda en kvalitativ intervjustudie med semistrukturerade frågor och de använda teorierna som varit till hjälp för att tolka resultatet är läroplansteorin och KASAM. LÄS MER
5. Cobalt and nickel concentrations in the Uppsala clay deposits : solubility and risk assessment
Master-uppsats, SLU/Dept. of Soil and EnvironmentSammanfattning : Heavy metals create a contamination problem in soils. Examples of heavy metals are Ni, Co, and Cu. Soil environment and minerals existing in the soil such as Fe and Mn oxides affect the presence of these heavy metals. In this thesis, the cobalt and nickel concentrations of selected soil samples from different locations in Uppsala were determined. LÄS MER
