Class20

# Class20 - GEEN 1300 Introduction to Engineering Computing...

This preview shows pages 1–4. Sign up to view the full content.

1 GEEN 1300 Introduction to Engineering Computing Class Meeting #20 Monday, Nov. 1 st More on vector/matrix calculations Matlab’s built-in math functions Array operations vs matrix operations Engineering Computing and Problem Solving with Matlab 1 Array operations vs. matrix operations Homework #8, due Wednesday, Nov. 10 th Section Test 2, today, Nov. 1 st , 7-9 p.m. (see next slide) Coverage: Classes 10-18, Labs 6-9, Text chaps 7-14 Section Test 2, today, Nov. 1 st , 7-9 p.m. Reminder! Coverage: Classes 10-18, Labs 6-9, Text chaps 7-14 Room assignments: Sections 101-107 MATH 100 Sections 109 112 DUAN G1B20 2 Sections 109-112 Bring calculator, two pencils, eraser.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
2 Using the colon ( : ) operator a = [ 9 5 7 4 1 ] a(2) ? 5 a(3:5) ? [ 7 4 1 ] a(4:end) ? [ 4 1 ] A = [ 1 2 3 ; 4 5 6 ; 7 8 8 ; ] A(:,2) ? 2 5 8           A(3,:) ? [ 7 8 8 ] X = A 3 X(:,2) = [ ] X? 13 46 78  Important matrix functions zeros(2) ? 00 zeros(3,2) ? zeros size X   size(X) ? [ 3 2 ] zeros(size(X)) ones(3) ? 111 eye(2) ? 10 01 ones eye 4 a = [ 9 5 7 4 1 ] length(a) ? 5 length
3 Matlab functions Common built-in functions exp(x) sqrt(x) log(x) x e x   ln x

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 11/07/2010 for the course CHEN 1300 at Colorado.

### Page1 / 9

Class20 - GEEN 1300 Introduction to Engineering Computing...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online