Differential Equations Forum

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Join in expert discussion on differential equation topics like ODE and PDE. Differential equations are an equation involving derivatives of a function or functions.
Graduate I feel really lost in my PDE class. Can somebody explain some things to me?
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Graduate Solving Diffusion Equations: F'(t) / [1 - F(t)] = p + q F(t)
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Graduate Need help to solve one differential equation
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Graduate How can I use variation of parameters to solve this differential equation?
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Graduate 2nd order nonlinear non-seperable equation
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Graduate How do you take the derivative of a Wronskian?
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Graduate Solving Laplace's Equation with Convode and Initial Conditions
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Graduate Non-Homogeneous Boundary Conditions: How to Solve PDEs with Green's Function?
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Graduate First order linear partial differential equation
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Graduate How Can the 1D Wave Equation Describe the Dynamics of a Rope Snap?
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Graduate Solving Continuity Equation: Div & Time Derivative
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Undergrad Exploring Orders of Differential Equations in Physics & Maths
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Undergrad What's the difference between initial conditions and boundary conditions?
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Graduate How do I solve: (p(t)f(t))''=Af(t)
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Graduate Domain of influence for wave equation in 2 dimensions
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Graduate Can it be 2nd order non-linear diff. equation
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Graduate Solving Universal law of Gravitation as differential equation
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Graduate Can I derive an equation for a vector field's divergence from its curl equation?
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Undergrad ODE help, not sure what method to use
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Graduate Time-dependent boundary conditions
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Graduate Eigenvalues of Laplace eq in the circle.
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Graduate Visualizing Louisville Theorem: Explanation
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Graduate How is Finite Difference Method?
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Undergrad How to Isolate Variables in a System of Differential Equations?
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Graduate Mutual inductance using bessel function
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Undergrad 2nd order differential equation
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Graduate How to find uniqueness in first order pde
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Graduate Dirichlet conditions+Analytic functions ?
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Graduate Use of curl of gradient of scalar
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Graduate Finding a Book on Manifolds: Definitions and More
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Undergrad Differential equation what going on?
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Graduate About an equation with eigenvalues
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Graduate Transfer function's poles and Auxiliary Equation
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Undergrad Integral of sin(n*pi*x/L)cos(m*pi*x/L): Is n=m a Requirement?
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Graduate How to Solve dx/dt = Adx/dy + Bdx^2/dy^2
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Graduate How do I solve: p(t)f''(t)+q(t)f'(t)=Kf(t) ?
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Graduate Laplace transforms of Heavyside functions
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Graduate Hi how to solve? y(y-2x(y'))^3=(y')^2
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Undergrad Linear system which is time independent
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Graduate What is meant by a complete solution ?
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Undergrad Definition of the eigenfunction?
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Graduate How to solve: ((1/k)')^2 + T^2(1/k)^2 - T^2 = 0
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Undergrad The difference between the Heat and Diffusion equation ?
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Graduate Why Is the Frobenius Method's Second Solution Valid?
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Undergrad Isolate x in this following function f(x)= ( Variable isolation problem)
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Undergrad How to Find the General Solution for dy/dx=3√(xy)
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Graduate An issue with solving an IVP by Taylor Series
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Undergrad Non-homogeneous ODE via Power Series
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Undergrad How to solve 2nd order ODE solution eg. te^t+e^t, for t?
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Undergrad Finding amplitude and phase angle from a graph?
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Graduate Struggling to Find a Systematic Solution for a DEQ: Where Am I Going Wrong?
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Undergrad Solving a system in polar coordinates
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Graduate Solving a SOI MOSFET Differential Equation for Electron Distribution
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Graduate Complexification for finding a particular solution
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Graduate Can the Poisson-Boltzmann Equation Be Solved Using Power Series?
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Graduate Complexification of rsin(at)+rcos(at)
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Graduate Second order ODE solution for this system?
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Graduate Special case when solving D.E.'s
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Graduate How Does Changing Boundary Conditions Affect Nonlinear Shooting Methods in BVPs?
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Graduate Question related to PDE y(z_x)+x(z_y)+z=y
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Undergrad Sin(t) - cos(t) can be rewritten as?
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Undergrad Modeling Depreciation: Understanding the Relationship Between Time and Value
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Undergrad Depreciating Printer Value: Algebra 2 Midterm Question Answered
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Undergrad Understanding Simple Harmonic Motion: Solving the Second Order ODE
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Undergrad Integral Problem: Solving x^2+a^2
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Graduate Is y(x) always less than 3 for all x?
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Graduate Tips for Solving a 1D Second Order ODE in an Open Channel Experiment
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Graduate Analyzing an Old Telescope Mirror: Spherical or Parabolic?
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Graduate 1D wave equation with dirac delta function as an external force.
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Graduate Singular solutions Separable Eq. and IVP
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Graduate Existence and Uniqueness Theorem
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Graduate Some clarification needed about basic concepts
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Graduate Is the Frobenius Method Required at Each Singular Point for General Solutions?
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Graduate Solving a nasty set of equations
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Undergrad Step Function (heaviside) laplace xform
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Graduate How to Find a Region Where V'(x,y) < 0?
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Undergrad Can Q(x) in a linear differential equation depend on both x and y?
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Graduate How Can You Model a Continuously Compounding Savings Account with Depletion?
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Graduate Solving First-Order Differential Equation in Nonlinear Optics
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Undergrad I can't find anywhere how to solute PDE's.
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Undergrad Help with a relatively simple first order, first rank DE
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Graduate Can Linearly Dependent Solutions Form a Fundamental Set?
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Graduate Self-Adjointness on Differential Equations
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Graduate Understanding the Blow-Up Phenomenon in BVPs: y'' + ay' + e^{ax}y = 1
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Graduate Why is the method of characteristics used to solve this PDE?
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Undergrad What Are the Key Factors in Solving Mechanical Vibration Problems?
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Graduate Steady state temperature
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Graduate Verifying if this PDE is a solution
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Graduate Can someone explain Charpit's Method to me (PDEs)
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Graduate Steady state temperature of insulated rod
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Graduate Solve Process Engineering ODE without Laplace Transforms | ODE Help
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Graduate Is This Rectangular Plate BVP Correct?
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Undergrad Some simple Differential Equation questions [Please help]
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Graduate Is y=0 a Lost Solution in Differential Equations?
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Graduate Heat equation PDE for spherical case
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Graduate Spherical bessel functions addition theorems
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Graduate Solving the 1D Heat Equation with Given Parameters
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Graduate How Does the Chain Rule Relate ∂h/∂z to ∂g/∂x?
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Graduate Age Diffusion Theory and Fourier Transforms
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Graduate Differention equation problem, help please
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