Find inverse and determinants of matrices. A -1 is the inverse of A A x A -1 = I.

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Presentation transcript:

Find inverse and determinants of matrices

A -1 is the inverse of A A x A -1 = I

Find inverse and determinants of matrices A -1 is the inverse of A A x A -1 = I

Find inverse and determinants of matrices A -1 is the inverse of A A x A -1 = I

Find inverse and determinants of matrices A -1 is the inverse of A A x A -1 = I

Find inverse and determinants of matrices A -1 is the inverse of A A x A -1 = I

Find inverse and determinants of matrices A -1 is the inverse of A A x A -1 = I

Find inverse and determinants of matrices A -1 is the inverse of A A x A -1 = I

Find inverse and determinants of matrices A -1 is the inverse of A A x A -1 = I

Find inverse and determinants of matrices A -1 is the inverse of A A x A -1 = I ad – bc = determinant (i.e. tells us about the inverse) Det(A) = 0: A -1 does not exist Det(A) = 1: A is “singular” Det(A) ≠ 1: A is “non-singular”

Find inverse and determinants of matrices