Linear Algebra, Mathematics, Machine Learning, Data Science, Basics.
matrix, we have 2 pivots. The rank is the same as the number of pivots. Therefore, we have rank(A) = 2. However, did you notice that the matrix A has 3 columns? So we have the matrix rank = 2, and the matrix dimension = 3. Let’s see where this leads us. First, we convert the row echelon form to