Xinyu Chen (陈新宇)Revisit Circular Convolution, Fourier Transform and Nuclear NormDraw connections among circular convolution, convolution matrix, circulant matrix, Fourier transform, and nuclear norm6d ago6d ago
Xinyu Chen (陈新宇)Understanding Lyapunov Equation through Kronecker Product and Linear EquationThe Lyapunov equation is a certain type of matrix equation, and it is very famous in many branches of control theory, such as stability…Aug 19Aug 19
Xinyu Chen (陈新宇)Clifford ProductIn Grassmann algebra, the inner product between two vectorsJun 6Jun 6
Xinyu Chen (陈新宇)Definition, Properties, and Derivatives of Matrix TracesA Brief Tutorial and Introduction to Matrix TracesMar 30Mar 30
Xinyu Chen (陈新宇)Matrix Autoregressive Model for Multidimensional Time Series ForecastingA Simple Python Implementation with NumpyMar 10Mar 10
Xinyu Chen (陈新宇)Dynamic Mode Decomposition for Multivariate Time Series ForecastingA Python Implementation of DMD forecasting using NumpyMar 91Mar 91
Xinyu Chen (陈新宇)Analyzing Millions of Taxi Trips in the City of ChicagoThe City of Chicago’s open data portal provides a large amount of human mobility data, including taxi trips, TNP rideshare trips, Divvy…Jan 14Jan 14
Xinyu Chen (陈新宇)Visualizing Global Water Vapor Patterns in PythonExploring Water Vapor Patterns Across Time with High-Resolution Monthly Aggregated DatasetsAug 19, 2023Aug 19, 2023
Xinyu Chen (陈新宇)An Introduction to Laplacian Convolutional RepresentationCirculant Matrix Nuclear Norm Minimization Plus Local Time Series Trend ModelingJul 22, 2023Jul 22, 2023
Xinyu Chen (陈新宇)Derivatives with Circular Convolution in Machine LearningThe Relationships Between Circular Convolution and Circulant MatrixJun 24, 2023Jun 24, 2023