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Villanova UniversityDept. of Civil & Environmental Engineering

CEE 3702Numerical Analysis

CEE 3702Numerical Analysis

Lecture 2

Dr. David W. Dinehart

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Villanova UniversityDept. of Civil & Environmental Engineering

CEE 3702Numerical Analysis

Lesson Objectives

• Identify the necessary steps of creating a program

• Review flowcharts• Introduce algorithms and

pseudocode• Review of Excel - example

problem

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Villanova UniversityDept. of Civil & Environmental Engineering

CEE 3702Numerical Analysis

Chapter 2 - Computers and Software

What is the slope of the line?

h

eexf

xhx

Numerical Derivative

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Villanova UniversityDept. of Civil & Environmental Engineering

CEE 3702Numerical Analysis

Programming

• Any engineering equation can be expressed as a function

• This course will allow us to solve these functions

• Numerical analysis techniques lend themselves to computer programming

Where do we start?

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Villanova UniversityDept. of Civil & Environmental Engineering

CEE 3702Numerical Analysis

Your plan of attack(includes equations)

Nuts and bolts

*VERY IMPORTANT*

Revisions/Improvements

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Villanova UniversityDept. of Civil & Environmental Engineering

CEE 3702Numerical Analysis

Algorithms, Flowcharts, and Pseudocode

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Villanova UniversityDept. of Civil & Environmental Engineering

CEE 3702Numerical Analysis

Flowchart Symbols

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Villanova UniversityDept. of Civil & Environmental Engineering

CEE 3702Numerical Analysis

Fundamental Control Structures

1. Sequence

2. Selection

3. Repetition

*Any program can be constructed using only these three operations

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Villanova UniversityDept. of Civil & Environmental Engineering

CEE 3702Numerical Analysis

Selection

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Villanova UniversityDept. of Civil & Environmental Engineering

CEE 3702Numerical Analysis

Repetition