'Laplace expansion' presentation slideshows

Economics 2301

Economics 2301 . Matrices Lecture 13. Determinant. a) Let us stipulate that the determinant of a (1x1) matrix is the numerical value of the sole element of the matrix. b) For a 2x2 matrix A (given below), we will define the determinant of A , noted det( A ) or | A |, to be ad-bc.

385 views • 18 slides

Ch. 4 Linear Models & Matrix Algebra

441 views • 15 slides

Determinants

Determinants. The determinant. Minors, cofactors, signs. The Laplace expansion. Example. Creating zeroes for determinants. Example. Do Exercise 5A, p.86.

301 views • 7 slides

4.III. Other Formulas

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