If X is nn with rank n, show that X(X X)1X = Inn, so Y = Y
Question:
If X is n×n with rank n, show that X(X
X)−1X = In×n, so Yˆ = Y .
Hint: is X invertible?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answered By
PU Student
cost accounting
financial accounting
auditing
internal control
business analyst
tax
i have 3 years experience in field of management & auditing in different multinational firms. i also have 16 months experience as an accountant in different international firms. secondary school certification.
higher secondary school certification.
bachelors in mathematics.
cost & management accountant
4+ Reviews
10+ Question Solved
Related Book For 
Question Posted:
