Differential Equations Forum

Graduate System of Differential equations with a singular coefficient matrix, help?

Graduate Calculating Derivative of $\sigma_N(t)$: A Justification

Graduate Need to solve the following differential equation

Undergrad 2nd order DE, is there a way to solve this without series?

Graduate Trouble determining the correct direction errors for nullclines

Graduate More power series: 2nd-order ODE

Graduate Power series solution for 1st-order ODE

Undergrad How Do You Calculate Fourier Series Coefficients for f(t) = sin(pi*t)?

Graduate How do I inverse sine transform U(k,y) to get u(x,y)?

Graduate Nonhomogeneous System of Linear Differential Equations

Undergrad Graphing Slope Fields: A Calculator-Free Guide

Graduate Can This Unique Mathematical Operation Be Solved?

Undergrad Heaviside Method Division By Zero

Graduate Does This Cauchy Problem Have a Solution for Any Value of k?

Graduate What is the solution of this? 2nd part

Graduate Partial Differential Equation Solving: Using Variable Change Method

Undergrad Solving for 2 Unknowns with 3 Equations and Sine Functions

Undergrad Finding the Formula for Relating Numbers: 000807352658800 and 01687518

Undergrad Improving Euler's Approximation for Differential Equations: Tips and Resources

Undergrad Finding Turning Points on a Curve with Implicit Differentiation

Undergrad How Do You Solve This Differential Equation Without Initial Conditions?

Undergrad Is This the Correct Laplace Transform of t^3/e^5?

Undergrad How do you find the Laplace of the given function?

Undergrad Solving a 2nd Order Differential Equation with Auxiliary Method

Graduate Solving 3 Pendulums Problem: Find t <> t0

Graduate Understanding the Troublesome Equation: Tips for Solving Math Problems

Graduate What is the solution to the non-linear ODE F'''+FF''/2=0?

Undergrad Rate of Change: Show dh/dt Proportional to h^(1/2)

Undergrad Rock Thrown Vertically: Maximum Height & Time to Hit Ground | 24m/s Velocity

Graduate How Do You Solve the 1D Wave Equation with Gravity and Nonhomogeneous Terms?

Graduate How Do You Solve Inhomogeneous PDEs with Homogeneous Boundary Conditions?

Undergrad Question Regarding Initial Conditions.

Undergrad Solve Block Sliding on Plane: Coeff of Friction, Drag Force

Undergrad How do I find the laplace transformation of i(t)=(t)(e^t)(sinkt)?

Graduate Show that reaction-diffusion PDE is linear

Graduate Efficient Laplace Transform for t*cos(3t) and e^(2t)sin(4t) Functions

Graduate Is the Probability of Solving a Differential Equation Always Zero?

Undergrad How Is Bacterial Population Growth Modeled by a Differential Equation?

Undergrad Find Laplace Transform of (e^t + 2t^4 - cos (4t) + 10)

Graduate ? - infinitely differentiable solutions to initial value problems

Graduate Challenging integrals and derivatives to try

Graduate How to Find the Laplace Transform of an Unknown Solution Function?

Undergrad Word Problem: Find Position/Motion of Object Weighing 128lbs

Graduate Can an Object Attached to a Spring Return to its Equilibrium Position Only Once?

Undergrad Prove that f(x) is not differentiable at x=0

Graduate Taylor Series Problem Solved: Coefficient of x^7

Graduate Inverse Laplace Transformation Problem

Graduate How Does the Peak Radiative Flux from Planck's Law Vary with Temperature?

Graduate Is L a Linear Transformation on the Space of Differentiable Functions?

Undergrad How do I solve a 2nd order DE with constants a, b, c1, and c2?

Graduate Laplace transform: where am I messing up?

Graduate How Does Maxima Solve the Differential Equation r=Kt/((dr/dt)²-c²)?

Graduate All separable equations are exact?

Graduate Differential Equations dy/dx=sqrt(x^2+y^2-9)

Graduate Numerical solutions to differential equations

Graduate Taylor Series Solution for y'' = e^y at x=0, y(0)=0, y'(0)=-1

Undergrad Why is there no symbol for partial integration?

Graduate Solve DE: Use Variation Parameters - y''' - y" + y' -y= e^(-t)sint

Graduate What is a Hilbert Transform and How Does it Work?

Graduate Solving Non-Linear ODE's with Constant Coefficients

Graduate Inhomogeneous Initial, Boundary Value Theorem Proof

• Poll

High School Percetange of lefties in mathematics?

Undergrad What are some recommended books for learning differential equations?

Undergrad How do I apply the Product Rule to three functions instead of just two?

Graduate Variation of Parameters for Solving Differential Equations

Undergrad How Do You Solve This Tricky Differential Equation?

Undergrad Solve Radio Filter Problem Using Ohm's Law & Kirchhoff's Rule

Graduate Solving the Wave Eqt Using Fourier Series-

Undergrad Fourier and Laplace transformations

Graduate Nonlinear system of differential equations

Graduate Trouble solving this differential equation

Undergrad Maybe this is too simple 4 u guyz

Graduate About Feynman-Kac equivalence between PDE and SDE

Undergrad How Can I Calculate dy/dx for x^2 - xy - y^2 = 3?

Graduate Lagrangian method for equation of motion

Graduate Stochastic Partial Differential Equation Averaging.

Graduate How Can Momentum Improve RK4 Integration in Vehicle Physics?

Graduate Finding solutions to equations of motion

Graduate Is This Second-Order Differential Equation Solvable?

Undergrad Second Order Nonhomogeneous Linear Differential Equations

Graduate Solving the ODE with Arbitrary Constants: A Search for Analytic Solutions

Graduate Solving Coupled PDEs Numerically with Unknown Functions u(x,y) and v(x,y)

Undergrad Determine the car's acceleration when t=4sec. ANS: 1.06 m/sec^2

Graduate How Does the General Solution of a Second-Order Differential Equation Look?

Undergrad Laplace transforms and the shifting theorem

Graduate What Is the General Form of Functions in a Divergence-Free Vector Field?

Undergrad Uncovering the Practical Applications of Differential Equations

Undergrad Differentiating mult-variable equation

Graduate Can Anyone Solve These Challenging Differential Equations?

Undergrad Calculating t from Rearranged Equation: z=a+b(e^k*t -1)

Undergrad Solving a differential equation: f = ma, f = -kx -bv

Graduate What's the solution to this difference equation?

Undergrad Understanding Partial Differentials of a Function

Undergrad Differential equations y''-xy'+2y=0?

Undergrad Determine the # of solutions to the equation

Graduate How can I solve this DiffEQ problem involving retirement savings and salary increases?

Graduate What is the radius of the circular hole in the bottom of the water tank?

Undergrad What is the deceleration and duration of a car skidding at 60 mi/h?

Graduate Separating Schrodinger's Equation