## Posts Tagged ‘upper’

### Ex: Write a Sum Using Summation / Sigma Notation

This video explains how to write a sum using summation / sigma notation.

### Ex 2: Find a Sum Written in Summation / Sigma Notation

The video explains how to find a sum when given in summation / sigmna notation.

### Ex 1: Find a Sum Written in Summation / Sigma Notation

The video explains how to find a sum when given in summation / sigmna notation.

### Solve a System of Linear Equations Using LU Decomposition

This video explains how to use LU Decomposition to solve a system of linear equations.

### LU Decomposition – Shortcut Method

This video explains how to find the LU Decomposition of a square matrix using a shortcut involving the opposite of multipliers used when performing row operations.

### LU Decomposition Using Elementary Matrices

This video explains how find the LU Decomposition of a square matrix using elementary matrices.

### Ex 4: Approximate the Area Under a Curve with 8 Right Sided Rectangles

The video approximates the area under a curve by using 8 right sided rectangles.

### Ex 3: Approximate the Area Under a Curve with 8 Left Sided Rectangles

The video approximates the area under a curve by using 8 left sided rectangles.

### Ex 2: Approximate the Area Under a Curve with 4 Right Sided Rectangles

The video approximates the area under a curve by using 4 right sided rectangles.

### Ex 1: Approximate the Area Under a Curve with 4 Left Sided Rectangles

The video approximates the area under a curve by using 4 left sided rectangles.