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# Differential Equations

PatrickJMT
Home > Mathematics > Calculus > Differential EquationsLectures:
• ### Logistic Differential Equation

00:05:20Patrick Jones

Logistic Differential Equation. In this video we look at the logistic differential equation and its solution. We use the solution to determine when a population will reach a certain size.

• ### Euler's Method - Another Example #1

00:05:35Patrick Jones

Euler's Method - Another Example #1. In this video, I show another example of using Euler's method to solve a differential equation. (Ok, we do not find an exact solution when doing this method; rather we are approximating the solution!)

• ### Euler's Method - Another Example #2

00:05:53Patrick Jones

Euler's Method - Another Example #2. In this video, I show another example of using Euler's method to solve a differential equation. (Ok, we do not find an exact solution when doing this method; rather we are approximating the solution!

• ### Solving a Separable Differential Equation, Another Example #1

00:03:40Patrick Jones

Solving a Separable Differential Equation, Another Example #1. In this video, I solve a separable differential equation.

• ### Solving a Separable Differential Equation, Another Example #2

00:02:04Patrick Jones

Solving a Separable Differential Equation, Another Example #2. In this video, I solve a separable differential equation.

• ### Solving a Separable Differential Equation, Another Example #3

00:01:21Patrick Jones

Solving a Separable Differential Equation, Another Example #3. In this video, I solve an example of a separable differential equation.

• ### Solving a Separable Differential Equation, Another Example #4, Initial Condition

00:04:24Patrick Jones

Solving a Separable Differential Equation, Another Example #4, Initial Condition. In this video, we solve a separable differential equation that has an initial condition.

• ### Solving a Separable Differential Equation, Another Example #5, Initial Condition

00:04:20Patrick Jones

Solving a Separable Differential Equation, Another Example #5, Initial Condition. Just another example of solving a separable differential equation that has an initial condition.

• ### Basic Differential Equation with an Initial Condition

00:02:00Patrick Jones

Basic Differential Equation with an Initial Condition. In this video, I solve a basic differential equation with an initial condition (that means we must solve for C). You should have seen these problems when you first started integration in calculus!

• ### Differential Equations - Basic Idea of What It Means to be a Solution

00:03:47Patrick Jones

Differential Equations - Basic Idea of What It Means to be a Solution. Ok, nothing heavy at all here! What does it mean to be a solution of a differential equation? Let's looks and see! Ya just take a derivative, plug it in, see if it works! (Basically!)

• ### First Order Linear Differential Equations / Integrating Factors - Ex 2

00:03:30Patrick Jones

First Order Linear Differential Equations / Integrating Factors - Ex 2. In this video, I show another example of using integrating factors to find the solution of a first order linear differential equation.

• ### Change of Variables / Homogeneous Differential Equation - Example 1

00:07:39Patrick Jones

Change of Variables / Homogeneous Differential Equation - Example 1. In this video, I solve a homogeneous differential equation by using a change of variables.

• ### Change of Variables / Homogeneous Differential Equation - Example 2

00:08:31Patrick Jones

Change of Variables / Homogeneous Differential Equation - Example 2. In this video, I solve a homogeneous differential equation by using a change of variables.

• ### Change of Variables / Homogeneous Differential Equation - Example 3

00:05:52Patrick Jones

Change of Variables / Homogeneous Differential Equation - Example 3. In this video, I solve a homogeneous differential equation by using a change of variables.

• ### Change of Variables / Homogeneous Differential Equation - Example 4

00:12:12Patrick Jones

Change of Variables / Homogeneous Differential Equation - Example 4. In this video, I solve a homogeneous differential equation by using a change of variables. This example is looooong, requiring partial fractions to integrate! So much fun though!

• ### The Inverse Laplace Transform - Example and Important Theorem

00:05:36Patrick Jones

The Inverse Laplace Transform. In this video, I give an important theorem related to the inverse Laplace transform, give a definition about the inverse Laplace transform and find the inverse Laplace transform of a function.

• ### Table of Laplace Transforms

00:01:13Patrick Jones

Table of Laplace Transforms. In this video, I show the Laplace transform for a few common functions. No theory or derivations here, just a quick reference that I will refer to in other videos.

• ### The Laplace Transform - The Basic Idea of How We Use It

00:01:33Patrick Jones
• ### Laplace Transform is a Linear Operator - Proof

00:03:36Patrick Jones
• ### The Laplace Transform, Basic Properties - Definitions and Derivatives

00:13:09Patrick Jones
• ### The Laplace Transform - More Derivatives

00:04:13Patrick Jones
• ### The Logistic Equation and Models for Population - Example 1, part 1

00:07:04Patrick Jones

The Logistic Equation and Models for Population - Example 1, part 1. In this video, we have an example where biologists stock a lake with fish and after one year the population has tripled. Knowing the carrying capacity, I find a formula for the the population at time ' t ' using the analytic solution.

• ### The Logistic Equation and Models for Population - Example 1, part 2

00:05:09Patrick Jones

The Logistic Equation and Models for Population - Example 1, part 2. In this video, I find how long it actually takes for the population of fish to reach a total of 4,000.

• ### Power Series Solutions of Differential Equations

00:11:45Patrick Jones

Power Series Solutions of Differential Equations - In this video, I show how to use power series to find a solution of a differential equation. This is a SIMPLE example and the final solution is very NICE compared to what would normally happen with a more complicated differential equation, so please be aware of that!

• ### The Logistic Equation and the Analytic Solution

00:12:10Patrick Jones

The Logistic Equation and the Analytic Solution. In this video, I find the analytic solution to the logistic differential equation.

• ### Exact Differential Equations

00:05:48Patrick Jones

Exact Differential Equations - In this video I show what it means for a differential equation to be exact and then one solve one problem.

• ### First Order Linear Differential Equations

00:05:48Patrick Jones