dr. kamlesh bisht - uou values... · 2020. 6. 30. · find the eigenvalues and eigenfunctions of...

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BOOK: Differential Equation, Calculus of Variations and Special Functions UNIT – VI : Eigen values, Eigen functions and Sturm-Liouville boundary value problem Dr. Kamlesh Bisht (Mathematics) DR. KAMLESH BISHT Academic Consultant Department of Mathematics Uttarakhand Open University, Haldwani

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Page 1: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore

BOOK: Differential Equation, Calculus of Variations and Special Functions

UNIT – VI : Eigen values, Eigen functions and Sturm-Liouville boundary value problem

Dr. Kamlesh

Bisht

(Mathematics)

DR. KAMLESH BISHT

Academic ConsultantDepartment of Mathematics

Uttarakhand Open University, Haldwani

Page 2: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore

Content

� Objective.

� Introduction.

� Linear Homogeneous Boundary Value Problems.

Dr. Kamlesh Bisht(Mathematics)

� Linear Homogeneous Boundary Value Problems.

� Eigenvalues and eigenfunction.

� Sturm-Liouville problems.

� Orthogonality of eigenfunctions.

� References.

Page 3: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore

Objectives

After studying this unit, you should be able to-

� Get the basic knowledge of eigenvalue and eigenfunction

of the boundary value problem.

Dr. Kamlesh Bisht(Mathematics)

of the boundary value problem.

� Study special boundary value problem known as Sturm-

Louville problem and properties of eigenfunction.

� Get the knowledge about various special function that

arises in physical and engineering problems.

Page 4: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore

Introduction

Page 5: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore

Linear Homogeneous Boundary Value Problems

Page 6: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 7: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore

Eigen values and Eigen functions

Page 8: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 9: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 10: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 11: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore

Eigen value or Characteristic value

Eigen function or Characteristic function

Page 12: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 13: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 14: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 15: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 16: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 17: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 18: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 19: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 20: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore

Sturm-Liouville Problem

Page 21: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 22: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 23: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 24: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 25: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore

Orthogonality of Eigenfunctions

Page 26: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 27: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore

Theorems on Sturm-Liouville systems

Page 28: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 29: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 30: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 31: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 32: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 33: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 34: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 35: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 36: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 37: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 38: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 39: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 40: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 41: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 42: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore
Page 43: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore

References:

� Advanced Differential Equation

M.D. Raisinghania, S. Chand Publication

SLM of VMOU, Kota � SLM of VMOU, Kota

Differential Equation, Calculus of Variation and Special Functions.

Page 44: DR. KAMLESH BISHT - UOU values... · 2020. 6. 30. · Find the eigenvalues and eigenfunctions of the following Sturm-Liouville prob- lem d 2x +1)e2xy = 0; dx 0 y(Tt) dy x du Therefore

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