# Theory of General Second-order Linear Homogeneous ODE's: Superposition, Uniqueness, Wronskians

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Taught by OCW
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Lesson Summary:

In this lesson, we delve into the theory of general second-order linear homogeneous ODEs, covering superposition, uniqueness, and Wronskians. The focus of the lecture is on the linearity of the equation and finding independent solutions, which are necessary to determine a linear combination of the solutions that satisfies all initial conditions. The superposition principle is introduced, which states that any linear combination of solutions to a linear homogeneous ODE is also a solution. The lecture concludes by addressing the initial value problem and how this family of solutions can be used to satisfy any initial condition.

Lesson Description:

Theory of General Second-order Linear Homogeneous ODE's: Superposition, Uniqueness, Wronskians -- Lecture 11. Learn some critical topics in differential equations.

Arthur Mattuck, 18.03 Differential Equations, Spring 2006. (Massachusetts Institute of Technology: MIT OpenCourseWare), http://ocw.mit.edu (Accessed November 26, 2008). License: Creative Commons BY-NC-SA.
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Questions answered by this video:
• What are second-order Linear Homogeneous ODEs?
• What is the superposition principle?
• What the uniqueness theorem in ODEs?
• What is a Wronskian?
• How do you solve an initial value problem?
• How do you solve an IVP?
• #### Staff Review

• Currently 4.0/5 Stars.
This video discusses some vital concepts in differential equations, including superposition, uniqueness, and Wronskians. The proof of superposition and several other theorems are also presented. A good lesson with general ODE solutions.