Introduction
Introduction to differential equations
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What you should know
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Linear algebra review
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1. Differential Equations
What is a derivative?
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What are differential equations?
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Direction fields
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Differential equation orders
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Ordinary vs. partial differential equations
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Linear vs. nonlinear differential equations
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Differential equation solutions
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Initial value problems
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2. First Order Differential Equations
First order differential equations introduction
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Calculating first order differential equations
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Linear differential equations
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Separable differential equations
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Exact differential equations
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Bernoulli differential equations
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Substitutions
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3. First Order Differential Equations Applications
Growth and decay
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Population
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Orthogonal trajectories
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Velocity
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Cooling and heating
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Mixing
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Carbon-14 dating
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RC circuit
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Curves
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4. Second Order Differential Equations
Second order differential equations introduction
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Calculating second order differential equations
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Constant coefficient homogeneous second order equations
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Real and distinct roots
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Identical real roots
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Complex roots
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Superposition
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Wronskian
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Reduction of order
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Nonhomogeneous second order equations
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Undetermined coefficients
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Variation of parameters
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Second order differential equations applications
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5. Higher Order Differential Equations
Higher order differential equations introduction
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Calculating higher order differential equations
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Linear homogeneous higher order equations
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Various roots
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Reduction of order with higher order equations
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Nonhomogeneous higher order equations
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Undetermined coefficients with higher order equations
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Variation of parameters with higher order Equations
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Higher order differential equations applications
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6. Series
What is a series?
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Power series
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Taylor series
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Near ordinary points
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Regular singular points
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Euler equations
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Near regular singular points
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7. Systems
Systems of differential equations
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Calculating systems of first order linear differential equations
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Linear homogeneous systems of first order differential equations
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Real and distinct eigenvalues
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Complex eigenvalues
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Identical real eigenvalues
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Linear nonhomogeneous systems of first order differential equations
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Systems of differential equations applications
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8. Laplace Transform
What is the Laplace transform?
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Calculating the Laplace transform
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Laplace transform properties
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Inverse Laplace transform
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Solving differential equations using Laplace transforms
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Step functions
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Dirac delta function
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Rectangular impulse functions
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Convolution integrals
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9. Nonlinear Differential Equations and Systems
What are nonlinear differential equations and systems?
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Equilibrium point analysis
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Bifurcations
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Autonomous systems
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Locally linear systems
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Hamiltonian systems
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Chaos and strange attractors
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Nonlinear differential equations and systems applications
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10. Numerical Methods
What are numerical methods?
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Euler's method
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Improved Euler's Method
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Runge-Kutta Method
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Stability and convergence
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11. Boundary Value Problems
What are boundary value problems?
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Two point boundary value problems
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Periodic functions
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Orthogonal functions
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Eigenfunctions
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Sturm-Liouville boundary value problems
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Fourier series with boundary value problems
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12. Partial Differential Equations
What are partial differential equations?
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Separation of variables
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Diffusion equation
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Wave equation
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String vibration
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Schrödinger equation
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Laplace's equation
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Fourier series with partial differential equations
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Continuing Your Differential Equations Learning Journey
Next steps and additional resources
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