I am stuck on this calculation.  Can you provide me with the steps on how to answer it?  Find the inverse of the matrix and verify that B^-1B= BB^-1=I3. B= [3 9 6 0 6 6 -6 -3 0] Thank you

Q: Express as a single matrix.

A: The matrix we have is  2014-2302-3451

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Q: Let A be 3x5 matrix. Then AX=b has always infinitly many solutions.

A: Since not a particular question asked ,as per guidelines solution to first question is given below

Q: How can you solve this matrix with the equation? (AT + 4I ) −1  =    −2 5 1 4

A:

Q: is there any way you could write this on paper? or just write the matrix part on paper

A: We have the system of equations as x1+x2+x3=56x1+7x2-3x3=5

Q: How can you solve this matrix with the equation? (AT + 4I ) −1  =    −1 1 3 4

A: ANSWER : EXPLANATION :

Q: Express as a single matrix.

A: 20-1-4321-34-2105-1

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Q: describe how LU factorization of a nonsingular matrix B can be found using Doolittle’s method.

A:

Q: How do I know if I can invert a matrix or not? What is a square matrix?

A: Ans(i):

Q: Express as a single matrix.

A: Given: 12342-437+15-2-3

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.