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수업의 1/4 이상 결석 시 F. – 기말고사 무단 결석 시 F. – 재수강 학점 downgrade. School of Mechanical Systems Engineering. Engineering Mathemati

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Engineering Mathematics I 0. Course Overview

Bong-Kee Lee School of Mechanical Systems Engineering Chonnam National University

Course Overview  강의 목표 – 공학문제 해결에 필요한 상미분 방정식과 벡터 행렬 등의 선형대수학을 이해하고 활용하는 방법을 이해한다. – 수학, 자연과학, 공학기초 및 정보기술의 지식을 공학문제 의 해결에 응용할 수 있는 능력을 향상한다. – 공학문제의 본질을 파악하여 수학적 문제로 논리적으로 모델링하는 연습을 통하여 창의적으로 문제를 해결할 수 있는 능력을 기른다.

Engineering Mathematics I

School of Mechanical Systems Engineering

Course Overview  평가 – – – –

퀴즈: 15%, 3회 = 45% 기말고사: 35% 숙제: 10% 출석 및 수업태도: 10%

– 수업의 1/4 이상 결석 시 F – 기말고사 무단 결석 시 F – 재수강 학점 downgrade

Engineering Mathematics I

School of Mechanical Systems Engineering

Course Overview  강의 교재 – Advanced Engineering Mathematics (9th ed.), E. Kreyszig, John Wiley & Sons (2006) – Kreyszig 공업수학 (개정 9판) 上, 김순자 외 공역, 범한서 적

Engineering Mathematics I

School of Mechanical Systems Engineering

Course Overview  강의 계획

Week 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Lectures

(9/1) Introduction (9/6) 1.1, 1.2, 1.3 (9/8) 1.4, 1.5, (1.6) (9/13) Moved to (12/9) (9/15) 1.7, Review (9/20) 2.1, 2.2, (2.3) (9/22) 2.4, 2.5, 2.6 (9/27) 2.7, 2.8, 2.9 (9/29) 2.10, Review (10/4) 3.1 (10/6) 3.2 (10/11) 3.3, Review (10/13) 4.0, 4.1, 4.2 (10/18) 4.3, 4.4, 4.5 (10/20) 4.6, Review (Midterm) (10/25) or (10/27) (11/1) 5.1, 5.2 (11/3) 5.3, 5.4, 5.5 (11/8) 5.6, Review (11/10) 6.1, 6.2, 6.3 (11/15) 6.4, 6.5, 6.6 (11/17) 6.7, (6.8), (6.9), Review (11/22) 7.1 (11/24) 7.2, 7.3, 7.4 (11/29) 7.5, 7.6, 7.7 (12/1) 7.8, (7.9), Review (12/6) 8.1, 8.2, 8.3 (12/9) 8.4, (8.5), Review (Final Exam) (12/13) or (12/15)

Engineering Mathematics I

Note

HW #1

HW #2 Quiz #1 (1.1-2.10) HW #3 HW #4 Quiz #2 (3.1-4.6) HW #5 HW #6 Quiz #3 (5.1-6.9) HW #7 HW #8

School of Mechanical Systems Engineering

Course Overview  강의 계획 ODEs (Ordinary Differential Equations) Chap.1 First-Order ODEs Chap.2 Second-Order Linear ODEs Chap.3 Higher Order Linear ODEs Chap.4 Systems of ODEs Chap.5 Series Solutions of ODEs Chap.6 Laplace Transforms Linear Algebra Chap.7 Matrices, Vectors, Determinants, Linear Systems Chap.8 Matrix Eigenvalue Problems

Engineering Mathematics I

School of Mechanical Systems Engineering

Introduction  미분 방정식(Differential Equation) – 상미분 방정식(Ordinary Differential Equation) – 편미분 방정식(Partial Differential Equation)

y  f x   y ' 

df dx

derivative

y  f x1 , x2   y'  ?

y' 

dy y dx1 y dx2   dx x1 dx x2 dx

total derivative

y' 

y y or x1 x2

partial derivative

Engineering Mathematics I

School of Mechanical Systems Engineering

Introduction  선형대수학(Linear Algebra) – 선형 시스템(linear system) – 행렬(matrix), 벡터(vector) y  ax  b

y1  ax1  b y2  cx2  d

Engineering Mathematics I

 y1  a b   x1       y2   c d   x2 

Y  A X

School of Mechanical Systems Engineering

Introduction  모델링(Modeling) – 물리 법칙과 관계식들이 수학적으로 미분방정식의 형태로 표현됨 → 수학적 모델링 – 미분방정식의 해를 구함 F  ma

Newton’s second law

 cy 'ky  my' '

damping, spring constants

 my' 'cy ' ky  0 m

d2y dy  c  ky  0 2 dt dt

 y  ?  f t; m, c, k 

Engineering Mathematics I

2nd order ODE Solution

School of Mechanical Systems Engineering

Notes  공학적 문제의 수학적 표현 방법 + 용어 or 개념 + 해를 구하는 방법 + 해의 물리적 의미를 이해  공학적 도구(tool)로서의 수학  문제 풀이를 통한 연습

Engineering Mathematics I

School of Mechanical Systems Engineering

Notes

Engineering Mathematics I

School of Mechanical Systems Engineering

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