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Differential Equations

Mixed approximation vs. full approximation for a power series expansion
6.8K threads
Undergrad Mixed approximation vs. full approximation for a power series expansion
Graduate Does a subsequence only have to have some terms
  • eckiller
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Graduate Convergence of Sequences in Bounded Sets: Is the Limit Always the Supremum?
  • semidevil
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Undergrad Simple analysis problem gone wrong
  • semidevil
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9
High School Why is the Derivative of e^x e^x?
  • Aki
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Graduate Real Sequence As Rational Function in e^-jw
  • dduardo
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Undergrad How should I integrate this differential equation?
  • irony of truth
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Undergrad Integral Calculation Using Trig Substitutions
  • DeadWolfe
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Undergrad Finding 'k' for Continuous f(x) at x=2
  • ashleyk
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Undergrad Finding the integral of an unknown function
  • pattiecake
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6
Undergrad How Can the Limit of a Monotone and Bounded Sequence be Found Using Induction?
  • semidevil
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3
Undergrad Integrating sin(x^2) using substitution method
  • hytuoc
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2
Undergrad Finding Intervals of Concave Downward with f(x) = 12x^(2/3)
  • ashleyk
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5
Graduate How Do You Integrate These Challenging Double Integrals?
  • hytuoc
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2
Graduate Proving the Limit of Z(n) = b for Z(n) = ((a^n + b^n))^(1/n) with 0 < a < b
  • semidevil
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Undergrad Infinite set theory has any place in finding limits
  • KingNothing
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Undergrad Green's Theorem: Proving and Visualizing the Theory
  • semidevil
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Graduate Application of Cauchy's Double Series Theorem
  • Ed Quanta
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Graduate Another limsup and lim inf question
  • Ed Quanta
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2
Undergrad Third Derivative of Distance-Time Function - What is it Called?
  • bomba923
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Graduate Proving Lim Inf and Lim Sup of Sequence Rn in (0,1)
  • Ed Quanta
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4
Undergrad Can You Solve This Aerodynamic Drag Problem for Our Paper Airplane Contest?
  • noble24
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7
Graduate Asking about a general formula for deriving an absolute function
  • Alkatran
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Undergrad Self teaching Multivariable calculus
  • p53ud0 dr34m5
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Undergrad Is the Derivative of Acceleration vs Time a Function of Jolts vs Time?
  • DB
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Graduate What is the crazy integral that the professor and student are struggling with?
  • msmith12
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Undergrad Differential Equations - Linear Factor Proof
  • DoubleMike
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13
Undergrad Proving Limits: Rigorous Definition & Difficulties
  • agro
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11
Undergrad Solve Zenon's Paradox: Tips & Strategies
  • mprm86
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2
Graduate Inverse Function: Showing g ''(x) = 3/2 g(x)^2
  • trap
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7
Undergrad Vector Multiplication: a-b X a+b = 2(aXb)
  • physicsss
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4
Graduate Basic question regarind archimedian property
  • semidevil
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4
Undergrad Proving the One-to-One Property of Function Composition
  • RW Techs
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7
Undergrad I have no idea how to integrate by parts
  • Juche
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8
Undergrad Interchanging integration bound for double integral
  • hytuoc
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2
High School Help solving a derivative for f(x) = x^3 at x=-2
  • dec1ble
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4
Graduate Proving the Limit of Integral over f:[a,b] to R
  • quasar987
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4
Graduate How to Calculate Contour Integrals Using the Given Property?
  • cateater2000
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3
Undergrad How to Approximate the Area of a Semi-Circle Using Riemann Sums
  • Gotcha
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6
High School Has Anyone Used the 5th edition text by Howard Anton?
  • Gecko
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2
High School Infinity & Zero: Debate Over Math Definitions
  • PhysKid24
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12
Undergrad How to Evaluate Surface Integrals Using Divergence Theorem?
  • Hoofbeat
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3
Undergrad Finding Power Series and Radius of Convergence for Indefinite Integral
  • jaidon
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2
Undergrad Does this improper integral converge?
  • JoePharos
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3
High School 3 + 2 log (base 2) X = log (base 2) y
  • Gughanath
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4
Graduate Understanding Metric Spaces: Subsets vs. Subspaces
  • zolit
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7
Graduate Surface Area (Surface of Revolution) - Discrepancy
  • DoubleMike
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23
Undergrad What is the meaning of dy/dt in differential equations?
  • Townsend
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12
High School Integrate d/dx(x^2): Include Constant?
  • adamg
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4
Graduate Is there a numerical method to solve complex plane integrals?
  • eljose
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2
Graduate How can I find all w in C such that cos(z + w) = cos z for all z in C?
  • Mark C
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5
Undergrad Question regading integration (Volume generated)
  • Sanosuke Sagara
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8
Graduate Infinite Differentiation and Integration?
  • Manchot
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3
High School Solving Definite Integrals with a TI-83 Plus
  • ProBasket
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5
Graduate Calculating Surface Area Using Double Integrals
  • Cyrus
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Graduate How Should I Space the Heights to Minimize Error?
  • Pseudopod
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10
Undergrad Understanding Partial Differentiation: Recognizing Quadric Surfaces
  • Bladibla
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7
Graduate Need help with some vector calculus problems
  • formulajoe
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2
Undergrad Partial Differentiation: What is the Chain Rule and How to Work It Out?
  • Zurtex
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13
Undergrad How can I determine if a point on a curve is truly an inflexion point?
  • daster
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11
Undergrad Proving an Algebraic Number: Root 3 + Root 2
  • lokisapocalypse
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2
Graduate Is Euler's Formula Valid When Using a Non-Power Series Method?
  • daster
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4
Undergrad Can this integral be solved using substitution?
  • digink
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11
Undergrad Integrating Polar Equations: Online Resources
  • Moose352
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18
Undergrad Integration Q: 1+2sin^2(x)^2 to 1-2sin^2(x)^2 from pi/6-3pi/6
  • physicsss
  • · Replies 9 ·
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9
Graduate Power Series Sum: Summing (x^n/(n²+2n)) from n=1 to ∞
  • bulbanos
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5
Undergrad Vector Operations In Polar Coordinates?
  • Coeyo
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1
Graduate How Is Stokes Theorem Applied to Partial Derivatives?
  • Cyrus
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2
High School How Can I Learn Differential Equations for a Physics Competition?
  • LENIN
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9
Graduate Proving Limit of y[n] for Newton-Raphson Method
  • dduardo
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4
Undergrad Question regarding differentiation
  • Sanosuke Sagara
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2
Undergrad How do you differentiate a scalar field with exponentials?
  • buddingscientist
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2
Undergrad Question regarding differentiation
  • Sanosuke Sagara
  • · Replies 4 ·
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4
Undergrad Finding the Locus of the Mid-Point of a Ladder Against a Vertical Wall
  • BrendanM
  • · Replies 12 ·
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12
Graduate Robustness of the Riemann integral
  • matrix_204
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2
Graduate Can you integrate sin(sqrt(x)) using a trigonometric substitution?
  • Alkatran
  • · Replies 7 ·
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7
Graduate How Can Surplus Y on the Wrong Side of dY/dx = aY(1-Y/b) Be Resolved?
  • Yann
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8
Graduate Difference Quotient and 2nd Order PDEs
  • egsmith
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2
Undergrad Explaining dy, dx, ds, dt & More in Calculus & Physics
  • Hyperreality
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2
Undergrad What is the Integral of f(x)=1/x from x=1 to x=infinite?
  • Aki
  • · Replies 10 ·
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10
Undergrad Proving the Equation: [1-e^(-x)]/[1-e^(x)]=-e^(-x)
  • physicsss
  • · Replies 9 ·
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9
Undergrad AP Calculus: Finding Derivatives, Tangents, and Graph Points
  • ashleyk
  • · Replies 7 ·
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7
Graduate Difference between Calc & Analysis?
  • MathStudent
  • · Replies 5 ·
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5
High School Why OH Why_3D Parametric Equations
  • karen03grae
  • · Replies 3 ·
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3
Undergrad Solving Integral: \int{\sqrt{{4-2x^2}}}dx
  • pa1o
  • · Replies 9 ·
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9
Undergrad Calculating Related Rates: Conical Bin Sand Flow at 10 Minutes
  • Jcryan
  • · Replies 8 ·
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8
Undergrad Understanding the Integral of e^x: Solving for \int_0^1 e^{-3x} dx Explained
  • digink
  • · Replies 4 ·
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4
Undergrad How do I prove the integration equation for continuous function f?
  • trap
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7
Undergrad Understanding the Limit of a Sequence and the Number e: A Helpful Guide
  • courtrigrad
  • · Replies 15 ·
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15
Graduate Can Density Definitions Extend to Infinitely Many Points in Every Interval?
  • cmurphy
  • · Replies 13 ·
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13
Graduate Complex analysis question (only need a hint)
  • fresh
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2
High School Type Math Problems: Easy Way to Copy Integral Signs, Powers & More
  • omagdon7
  • · Replies 4 ·
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4
Graduate Solving Integration Question: f' Continuous on [a,b]
  • trap
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9
Undergrad What Does 1<= x^2 + y^2 + z^2 <= 25 Look Like in 3-D?
  • karen03grae
  • · Replies 3 ·
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3
Undergrad Quick question about Michael Spivak's Calculus
  • singleton
  • · Replies 27 ·
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27
Undergrad Introduction to Calculus and Analysis
  • WORLD-HEN
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7
Undergrad What is the Connection Between the Chain Rule and Differentials?
  • MathStudent
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10
Undergrad Integrating and differentiating the number e.
  • theCandyman
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11
High School Exponential and Logarithmic functions
  • Roxy
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5
Graduate Using Stokes' Theorem to Show F(r) is Conservative
  • wesleyad
  • · Replies 2 ·
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High School Pre-Calculus Help: Solve x ≥ 0 and Log(base 3)x + Log(base 3)(x-6) = 3
  • Help_Me_Please
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