Chapter 5: Matrix Approaches to Simple Linear Regression
Chapter 5: Matrix Approaches to Simple Linear Regression
Chapter 5: Matrix Approaches to Simple Linear Regression
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<strong>Matrix</strong> SubtractionOverview<strong>Matrix</strong> AlgebraAlgebra➤ Algebra➤ Addition➤ Subtraction➤ Multiplication➤ Identity➤ Zero➤ Unity <strong>Matrix</strong>➤ “Division”➤ Singular Matrices● <strong>Matrix</strong> subtraction is identical <strong>to</strong> matrix addition, with theexception that all elements of the new matrix are thesubtracted elements of the previous matrices.● Again, the only constraint is that the two matrices must be ofthe same size (same number of rows and columns).● The resulting matrix contains elements that are simply theresult of subtracting two scalars.More MatricesGeneral <strong>Linear</strong>ModelOther <strong>Matrix</strong>ProductsWrapping UpLecture 17 Psychology 790
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