Show That the Given Matrix Is Positive Definite, and Then

question 4

Essay

Show that the given matrix is positive definite, and then find the LDU-factorization.

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Definitions:

Debit

An accounting entry that increases asset or expense accounts, or decreases liability, equity, or revenue accounts.

Credit

The provision of resources, such as money, goods, or services, with the expectation of future repayment, often with interest.

Predetermined Overhead

An estimated overhead cost rate used to allocate overhead costs to products or services based on a planned activity level.

Direct Labour Cost

This refers to the total earnings (wages, salaries, benefits) paid to employees directly involved in the production of goods or services.