Math Help » matrix

Math Help Matrix

admin — Mon, 15 Aug 2011 01:53:39 +0000

Question: Math Matrices (matrix) Problem? i have this question and ive been stuck on it for ever i just don’t understand it can someone help me out! Find the value of K K[ 3 , -1 ] = [ -3/4 , 1/4 ] –[ 5 , -4 ]—-[ -5/4 , 1 ] Answer: Bring the K inside the matrix and [...]

Math Help Matrix is a post from: Math Help

Math Help Matrices

admin — Sun, 28 Nov 2010 02:20:24 +0000

Question: any math majors? Matrices help? so i understand how to add, subtract, and multiply Matrices ex: AB, A+B, A-B but I really don’t understand how to get the inverse. a step-by-step would really help out Answer: for a 2×2 matrix a b c d you just divide the matrix d -b -c a by the determinant (ad-bc). For a 3×3 matrix a b c d [...]

Math Help Matrices is a post from: Math Help

Identity Matrix

admin — Sun, 12 Oct 2008 22:31:27 +0000

What is an identity matrix? An identity matrix is also called a unit matrix. An identity matrix is a square matrix in which: all the elements of the diagonal between the top left corner and the bottom right hand corner are ones and all the other elements are zeros. Identify Matrices Below are example of identity Matrices. , Property of the [...]

Identity Matrix is a post from: Math Help