19. Block Matrices • Prove that the determinant of a block matrix: A B 0 D . is det(A) · det (D), where A and D are square matrices. • Show how block matrices are used in solving large-scale linear systems.
19. Block Matrices • Prove that the determinant of a block matrix: A B 0 D . is det(A) · det (D), where A and D are square matrices. • Show how block matrices are used in solving large-scale linear systems.
Chapter7: Systems Of Equations And Inequalities
Section7.8: Solving Systems With Cramer's Rule
Problem 3SE: Explain what it means in terms of an inverse for a matrix to have a 0 determinant.
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Transcribed Image Text:19. Block Matrices
• Prove that the determinant of a block matrix:
A B
0 D
.
is det(A) · det (D), where A and D are square matrices.
•
Show how block matrices are used in solving large-scale linear systems.
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