MATH 308 WIR22A V15
Solving an initial value problem including air resistance for the path of a thrown ball to determine the maximum height it reaches
Problem: A 120-gallon tank initially contains 90 lb of salt dissolved in 90 gallons of water. Brine containing 2 lb/gal of salt flows into the tank at a rate of 4 gal/min, and the well-stirred mixture flows out of the tank at a rate of 3 gal/min. How much salt does the tank contain when it is full?
Solving an initial value problem including air resistance for the path of a thrown ball to determine the maximum height it reaches
Solving an initial value problem using Newton’s Law of Cooling to determine the temperature of a drink left outside as the outdoor temperature changes
Solving an initial value problem to determine the amount of pollution in a lake at any time
Solving a first order linear differential equation with an integrating factor and then finding the initial condition so the solution touches the x-axis
Solving an initial value problems with an integrating factor and finding the interval of validity
Determining where a first-order linear initial value problem has a solution and then solving it
Solving a first-order linear initial value problem to determine the concentration of salt in a tank
Writing and then solving a differential equation for the temperature of a cup of coffee
Writing and then solving an initial value problem for the amount of dye in a pool
Writing and then solving an initial value problem to determine the stopping time and distance of a stone on a smooth surface
Solving an initial value problem using Newton’s Law of Cooling to determine the time it takes for a cake to cool to a given temperature
Solving a separable differential equation to determine how long it takes a population of bacteria to double
Determining an interval in which the solution of a first order, linear initial value problem is certain to exist
Solving linear differential equations and determining the interval in which the solution exists
Finding an integrating factor to make a differential equation exact and then solving it
Finding an integrating factor to make a differential equation exact and then solving it
Finding an integrating factor to make a differential equation exact and then solving it
Using an integrating factor to solve a first-order linear differential equation and finding its interval of validity
Solving first order linear differential equations
Solving a linear, first-order differential equation using an integrating factor
Solving a linear, first-order differential equation using an integrating factor
Finding the solution to a separable initial value problem and its interval of validity
Verifying two different functions are both solutions to a differential equation
Determining an interval in which the solution of a first order, linear initial value problem is certain to exist
Finding the equilibrium solutions and properties for an autonomous differential equation
Finding the equilibrium solutions and properties for an autonomous differential equation
Solving an exact differential equation with a given initial condition
Solving a second order linear initial value problem and then solving for the initial condition so the solution will have a given properties
Solving a second order linear initial value problem with complex roots to the characteristic equation
Using the reduction of order technique to find the solution to an initial value problem
Using Laplace Transforms to solve initial value problems
Solving an initial value problem using the Laplace transform
Using the Laplace transform to solve an initial value problem with an impulse function
Using the Laplace transform and the impulse function to write and solve an initial value problem for the motion of a spring
Solving an initial value problem using the Laplace transform and writing the answer using a convolution integral
Finding a power series solution to an initial value problem
Finding the value of the second and third derivative of a solution at the given point
Using Laplace transforms and step functions to solve an initial value problem
Solving a second-order linear initial value problem
Using Laplace transforms to solve initial value problems with step and impulse functions
Using an integrating factor to solve first-order linear differential equations
Using an integrating factor to solve a first-order linear differential equation
Solving separable differential equations involving Newton's Law of Cooling and orthogonal trajectories
Showing that a function is the general solution to a differential equation and finding the solution to an initial value problem
Show that a differential equation is not exact but becomes exact when multiplied by a given integrating factor
Finding an integrating factor to make a differential equation exact and then solving it
Solving for a function given the Wronskian of it and another function
Finding the equilibrium solutions and properties for an autonomous differential equation
Using an integrating factor to make a differential equation exact and then solving it
Solving a system of first-order linear differential equations using a matrix exponential function
Solving a system of first-order linear differential equations using a matrix exponential function
Solving a system of first-order linear differential equations using a matrix exponential function
Solving a system of first-order linear differential equations using a matrix exponential function
Solving a system of first-order linear differential equations
Solving a system of first-order linear differential equations where the matrix has complex eigenvalues
Solving a system of first-order linear differential equations
Solving a system of first-order linear differential equations when a generalized eigenvector is needed
Solving a system of first-order linear differential equations
Solving a separable first-order differential equation
How to solve differential equations using variation of paramaters
Solving a first-order, linear, nonhomogeneous differential equation using variation of parameters
Examples finding absolute maximums, antiderivatives, and definite integrals
Using integrals to solve application problems
Integrating to find a function from its derivative and an initial condition
Finding the slope of solutions and the critical points of a differential equation
Classifying differential equations as ordinary or partial and linear or nonlinear and finding the order
Solving for a constant so that a function is a solution of a differential equation
Solving for a constant so that a function is a solution of a differential equation
Solving a separable differential equation
Determining if differential equations are exact and solving the ones that are
Using Abel's Theorem to calculate a value of the Wronskian
Determining if two functions form a fundamental set of solutions for a second order linear differential equation
Solving a second order linear initial value problem with a repeated root to the characteristic equation
Using the method of undetermined coefficients to find the form of a particular solution for a second order linear differential equation
Using the method of undetermined coefficients to solve second-order linear differential equation
Using the variation of parameters method to solve a nonhomogeneous second-order linear differential equation
Solving an initial value problem to find the position of a mass on a vibrating spring
Solving an initial value problem to find the position of a mass on a vibrating spring with damping
Solving an initial value problem to find the position of a mass on a vibrating spring with an external force
Solving an initial value problem to find the position of a mass on a vibrating spring with an external force
Solving an initial value problem to find the position of a mass on a vibrating spring under resonance with an external force
Finding a power series solution to a differential equation
Finding a power series solution to a differential equation
Transforming an initial value problem into three first-order equations written in matrix form
Finding the form of a particular solution for a second-order linear differential equation
Finding the general solutions of a second-order linear nonhomogeneous differential equation
Using the method of undetermined coefficients to solve second-order linear differential equation
Using reduction of order and variation of parameters to solve a second-order linear nonhomogeneous differential equation
Showing how the exponential function is the solution to an initial value problem
Using power series to define a matrix exponential function to use in solving differential equations with matrices
Calculating a matrix exponential function using a power series and the diagonalization of the matrix
Solving a system of first-order linear differential equations using a matrix exponential function
Finding the general solution to a system of first order differential equations
Solving a system of first-order linear differential equations where the matrix has complex eigenvalues
Deriving the general solution for a system of first-order linear differential equations where the matrix has complex eigenvalues
Solving a system of first-order linear differential equations where the matrix has complex eigenvalues
Solving for the general solution for a system of first-order linear differential equations
Solving a system of first-order linear differential equations where a generalized eigenvector is needed
Using a differential equation to determine how much salt is in a tank after 60 minutes
Solving for the general solution for a system of first-order linear differential equations
An introduction to ordinary differential equations along with several examples
How to solve first-order separable differential equations
Solving a separable first-order differential equation
How to calculate continuously compounded interest with money also being deposited or withdrawn continuously
Calculating the balance of an IRA when you retire with continuous compounding interest
Converting a given linear system of ordinary differential equations into matrix form
An introduction to systems of first-order ordinary differential equations
Indefinite integral examples and u-substitution
Solving several application problems using integrals
Solving more application problems using definite integrals
Another example finding the average value of a function
Modeling a population size with an exponential function
Writing an equation for the growth of a population of bacteria
Proving facts about antiderivatives and a physics application
Examples about the derivative and integral of a power series
Finding the position vector function given the velocity and an initial position
Using the definition to find the Laplace transforms of functions
Finding the inverse Laplace transforms of functions
Writing piecewise functions in terms of the unit step function and finding the Laplace transform
Finding the convolution of two functions using the definition
Using the Laplace transform to compute the convolution of functions
Using the Laplace transform to solve for a function in an equation with a convolution
Writing the inverse Laplace transform of a function using a convolution integral
Determining the radius of convergence of a power series
Finding a differential equation for which two given vector functions are solutions
Solving a system of first-order linear differential equations with real, distinct eigenvalues
Solving a system of first-order linear differential equations with complex eigenvalues
Solving a system of first-order linear differential equations with a repeated, real eigenvalue
Classifying the type and stability of the equilibrium points of a system of linear differential equations for different values of a parameter
Solving a nonhomogeneous system of linear first order differential equations
Using the definition to find the Laplace transform of a function
Using Heaviside's unit step functions to find the Laplace transform of a function
Finding the inverse Laplace transforms of functions
Using the definition to find the Laplace transform of a function containing an impulse function
Finding the Laplace transform of functions with a convolution integral
Solving a system of first-order linear differential equations and determining properties of the solutions
Finding the Wronskian of two functions
Explaining the definitions of real and complex vectors with examples
Determining if two vectors are linearly independent
Defining scalar multiplication and giving an example
Defining vector addition and giving an example
Finding a linear combination of vector functions
Defining linear combinations of vectors and providing an example
Explaining the concepts of existence and uniqueness for solutions of systems of equations
Defining linear independence and dependence for vectors
Explaining two vectors are linearly dependent if and only if they are scalar multiples
Determining if three vectors are linearly independent
Showing that three vectors are linearly independent
Using linear independence to show the uniqueness of a vector equation solution
Defining a spanning set for a vector space
Determining if vectors form a spanning set and defining a basis
Writing a vector equation using matrix multiplication
Defining multiplication of a matrix and vector and then giving an example
Defining eigenvalues and eigenvectors of a matrix
Defining matrix operations such as addition and multiplication
Algebraic properties of matrix and vector multiplication
Algebraic properties of matrix multiplication and addition
Defining the zero and identity matrices and giving their properties
Explaining how to find the derivative and integral of matrix and vector functions
Solving a system of equations with three equations and three variables
Solving a two systems of equations
Defining elementary row operations and row echelon and reduced row echelon form
Rewriting a system of equations as an augmented matrix
Explaining the Gauss-Jordan Algorithm for putting a matrix in row echelon form
Using the Gauss-Jordan algorithm to solve a system of equations
Finding the null space of a matrix and defining basic and free variables
Solving a system of equations by row reducing the augmented matrix
Finding the null space of a matrix
Finding the eigenvectors of a matrix associated with the given eigenvalues
Determining if three vectors are linearly independent
Using linear independence of matrices to introduce the determinant
Theorem comparing linear independence, the determinant, null space, and a spanning set for a 2x2 matrix
Using the determinant to determine when two vectors are linearly independent
The determinant of 3x3 matrices and a theorem comparing linear independence, the determinant, null space, and a spanning set for those matrices
Defining eigenvectors and eigenvalues of a matrix and the null space of a matrix
Finding a basis for the null space of a matrix
Finding eigenvalues and eigenvectors for a matrix
Finding the eigenvalues of two matrices
Finding the eigenvalues for a matrix
Finding the eigenvectors and basis for the eigenspaces of a matrix
Finding a basis for each eigenspace of a matrix
Finding a basis for the eigenspaces of complex eigenvalues of a matrix
Finding the eigenvalues and associated eigenspaces of a matrix
Finding the eigenvalues and associated eigenspaces of a matrix
Discussing the geometric multiplicity of eigenvalues
Defining algebraic and geometric multiplicity of eigenvalues
Defining generalized eigenvectors for a matrix
Finding the eigenvectors and generalized eigenvectors for a matrix
Explaining how to use a matrix inverse to solve matrix equations
Defining the inverse of a matrix and it is both a left and right inverse
Explaining how to use row reduction of an augmented matrix to find an inverse
Showing when a matrix has an inverse
Finding the inverse of a matrix by row reducing an augmented matrix
Solving a matrix equation using the inverse of the matrix
Using the eigenvectors and eigenvalues to find a formula for diagonalizing a matrix
Diagonalizing a matrix using its eigenvectors and eigenvalues
Solving a system of first-order linear differential equations using a matrix exponential function
Deriving the formula for the solution to a system of first-order differential equations when a generalized eigenvector is needed
Deriving the form of the general solution of a system of first-order linear differential equations
Deriving the general solution for a system of first-order linear differential equations
Solving a system of equations by using the Gauss-Jordan algorithm to row reduce the augmented matrix
Solving a system of equations by using the Gauss-Jordan algorithm to row reduce the augmented matrix
Solving a system of equations by using the Gauss-Jordan algorithm to row reduce the augmented matrix
Solving a system of equations by using the Gauss-Jordan algorithm to row reduce the augmented matrix
Solving a system of equations by using the Gauss-Jordan algorithm to row reduce the augmented matrix
Solving a system of equations by using the Gauss-Jordan algorithm to row reduce the augmented matrix
Solving a system of equations by using the Gauss-Jordan algorithm to row reduce the augmented matrix
Determining if two vectors are linearly independent
Determining if three vectors are linearly independent
Determining if three vectors are linearly independent using the determinant and row reduction
Determining if three vectors are linearly independent using the determinant
Determining if three vectors are linearly independent using the determinant and row reduction
Determining if four vectors are linearly independent using row reduction and the determinant
Determining for which values of the variable two vector functions are linearly independent
Finding the eigenvalues and eigenvectors of a matrix
Finding the eigenvalues and eigenvectors of a matrix
Finding the eigenvalues and eigenvectors of a matrix
Finding the eigenvalues and eigenvectors of a matrix
Finding the eigenvalues and eigenvectors of a matrix
Solving a system of equation by writing it as a matrix equation and using the matrix inverse
Calculating a matrix exponential function using the diagonalization of the matrix
Calculating a matrix exponential function using the diagonalization of the matrix
Calculating a matrix exponential function using the diagonalization of the matrix
Calculating a matrix exponential function using the diagonalization of the matrix
Finding and classifying the equilibria for an autonomous differential equations
Finding and classifying the equilibria for an autonomous differential equations
Finding and classifying the equilibria for an autonomous differential equations
Finding and classifying all equilibria in a differential equation using Levins' model of population growth
Finding and drawing the solution curve for a system of first-order linear differential equations
Deriving the form of the general solution of a system of first-order linear differential equations
Explaining compound interest and continuously compounded interest using differential equations
Defining a linear system of ordinary differential equations and how to convert it to a vector equation
Explaining matrix operations including addition and multiplication
Explaining the row operations used in gaussian elimination
Explaining how eigenvalues and eigenvectors can be used to solve a system of first-order linear differential equations