## Math Problem Statement

Let A = 4 8 0 2 3 6 . (a) Find Q with orthonormal columns and a 2 × 2 upper triangular matrix R so that A = QR. (b) Let b = 4 2 1 . Determine the distance from b to Col A

## Solution

## Math Problem Analysis

### Mathematical Concepts

Linear Algebra

Gram-Schmidt Process

Matrix Factorization

### Formulas

Projection formula

Matrix multiplication

### Theorems

QR decomposition theorem

### Suitable Grade Level

College Level

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