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    Calculus (University Level)

    First-Order Linear ODE (Integrating Factor)

    Solve y' + py = q (constant P=p, Q=q) with y(0) = y₀. Evaluates at x.

    Standard Formula
    y' + P(x)y = Q(x) → y = e^(−∫P dx)[∫Q·e^(∫P dx)dx + C]

    Interactive Sandbox

    Live Reactive

    Adjust values in real-time and observe mathematical cause-and-effect

    p
    0.120
    q
    120
    y0
    120
    x
    0.120
    Live EquationFormula Proof
    y' + P(1)y = Q(1) → y = e^(−∫P dx)[∫Q·e^(∫P dx)dx + C] = 1.2642
    Area Under Curve ∫f(x)dx
    Calculated Solution
    1.2642

    Direct computational model evaluating First-Order Linear ODE (Integrating Factor).

    Variable Mechanics

    Roles, constraints & impacts

    4 Params
    p

    Constant coefficient p

    Constant coefficient p

    ImpactPrimary formula parameter
    ConstraintReal number
    q

    Constant forcing term q

    Constant forcing term q

    ImpactPrimary formula parameter
    ConstraintReal number
    y0

    Initial condition y(0)

    Initial condition y(0)

    ImpactPrimary formula parameter
    ConstraintReal number
    x

    Evaluate at x

    Evaluate at x

    ImpactPrimary formula parameter
    ConstraintReal number

    At a Glance

    Gotchas, units & real-world use

    Essential

    Formula Nature & Mechanics

    Direct computational model evaluating First-Order Linear ODE (Integrating Factor).

    Common Mistakes & Traps

    • Ensure all input measurements share consistent units before calculating.
    • Check for denominator values approaching zero to prevent undefined division.
    • Follow standard order of operations (PEMDAS: Parentheses, Exponents, Multiply/Divide, Add/Subtract).

    Dimensional Analysis & Units

    Direct evaluation matching formula variable dimensions.

    Real-World & Industry Application

    Widely utilized across modern calculus applications, academic analysis, and engineering estimations.

    📖 Beginner's guideIntegrating Factor Method for First-Order ODEsLearn how to solve first-order linear differential equations y' + py = q with the integrating factor method, plus a free calculator with step-by-step solutions.

    Worked Example: First-Order Linear ODE (Integrating Factor)

    Given:

    • p = 1
    • q = 2
    • y0 = 0
    • x = 1
    1. y'+y=2, y(0)=0
    2. μ=eˣ
    3. y=2-2e^{-x}
    4. At x=1: 2-2/e ≈ 1.264

    Answer: 1.2642

    Frequently Asked Questions

    What is the First-Order Linear ODE (Integrating Factor) formula?

    y' + P(x)y = Q(x) → y = e^(−∫P dx)[∫Q·e^(∫P dx)dx + C]. Solve y' + py = q (constant P=p, Q=q) with y(0) = y₀. Evaluates at x.

    How do I calculate First-Order Linear ODE (Integrating Factor)?

    Enter Constant coefficient p (p), Constant forcing term q (q), Initial condition y(0) (y0), Evaluate at x (x) into the calculator. It applies y' + P(x)y = Q(x) → y = e^(−∫P dx)[∫Q·e^(∫P dx)dx + C] and shows every step of the working.

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