![تويتر \ MathType على تويتر: "The Trace of a linear operator, only defined for a square matrix, is the sum of the elements of its diagonal. It has very interesting properties like تويتر \ MathType على تويتر: "The Trace of a linear operator, only defined for a square matrix, is the sum of the elements of its diagonal. It has very interesting properties like](https://pbs.twimg.com/media/FJeTVVuXMAEvJOC.jpg:large)
تويتر \ MathType على تويتر: "The Trace of a linear operator, only defined for a square matrix, is the sum of the elements of its diagonal. It has very interesting properties like
![Matrix Algebra and Regression a matrix is a rectangular array of elements m=#rows, n=#columns m x n a single value is called a 'scalar' a single row. - ppt download Matrix Algebra and Regression a matrix is a rectangular array of elements m=#rows, n=#columns m x n a single value is called a 'scalar' a single row. - ppt download](https://images.slideplayer.com/25/7861852/slides/slide_3.jpg)
Matrix Algebra and Regression a matrix is a rectangular array of elements m=#rows, n=#columns m x n a single value is called a 'scalar' a single row. - ppt download
![Let A be a 2 × 2 matrix with non - zero entries and let A^2 = I , where I is 2 × 2 identity matrix. Define Tr(A) = sum of Let A be a 2 × 2 matrix with non - zero entries and let A^2 = I , where I is 2 × 2 identity matrix. Define Tr(A) = sum of](https://i.ytimg.com/vi/tf2TGOsgWJs/maxresdefault.jpg)