Calculus Forum

Join experts in discussion of calculus topics. This may include topics on Elementary functions, Calculating limits, derivatives and integrals. Optimization problems and Homework help is available.

Threads

Undergrad Gibbs Phenomenon: Estimating Oscillation Width

  • student85
  • · Replies 2 ·
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Graduate Integrating (B+k)^-0.6 * B^-0.8 dB

  • grmnsplx
  • · Replies 9 ·
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9

Undergrad Solving Series Tests with n > 1: What to Do?

  • icochea1
  • · Replies 6 ·
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6

Undergrad Solving for p in Differential Equation - Stephen

  • StephenDoty
  • · Replies 16 ·
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16

Undergrad Setting up a double integral with infinite boundaries

  • uday28fb
  • · Replies 1 ·
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1

Graduate Sequence of continuous functions vs. Lebesgue integration

  • kennylcc001
  • · Replies 1 ·
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1

Undergrad What is the Concept of Integration and its Applications in Physics?

  • ahmedhassan72
  • · Replies 3 ·
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3

Undergrad Why is the indefinite integral of e^6x not the same as e^6x?

  • DeepSeeded
  • · Replies 7 ·
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7

Undergrad Logistic growth, population, limits

  • leunglik
  • · Replies 7 ·
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7

Graduate Functions that integrate to a gamma function?

  • daviddoria
  • · Replies 5 ·
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5

Graduate Proving: If Xt -> 0 as t -> ∞, (1/T)sum (Xt) -> 0

  • CHatUPenn
  • · Replies 2 ·
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Undergrad A particle undergoing a force with friction

  • bejitunksu
  • · Replies 13 ·
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13

Undergrad Finding Point c on f(x) = kx^n for Equal Area Between 0 and c

  • Monocles
  • · Replies 5 ·
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5

Graduate Volume integral with two intersecting shapes

  • bobsmiters
  • · Replies 8 ·
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8

Undergrad Natural number solutions to A + B + C + D = A × B × C × D

  • Loren Booda
  • · Replies 8 ·
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8

Undergrad Integration using u substitution and arctan

  • dante3001
  • · Replies 3 ·
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3

Graduate A functional that depends on an integral?

  • jfitz
  • · Replies 3 ·
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3

Graduate Computing the integral of x^(-x) from 0 to infinity

  • gamesguru
  • · Replies 4 ·
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4

Undergrad Implicit differentiation and chain rule-

  • SavvyAA3
  • · Replies 1 ·
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1

Graduate Prove Unique Limits: Pugh's Real Math Analysis Ch 3 Q#26

  • SpaceTag
  • · Replies 2 ·
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2

Graduate Finding mimum of a function with 2 local mins

  • daviddoria
  • · Replies 2 ·
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2

Graduate Why are curves in the plane of the form R -> R^2?

  • Simfish
  • · Replies 1 ·
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1

Graduate How can I extend the method for solving differential equations to systems?

  • 1effect
  • · Replies 9 ·
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9

Graduate Antiderivitives of complex functions

  • fivestar
  • · Replies 5 ·
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5

Undergrad Fast way to search the table for two columns closest values

  • prayami
  • · Replies 2 ·
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2

Undergrad What I am doing wrong? arc length of parametric functions

  • motornoob101
  • · Replies 4 ·
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4

Undergrad What Point Should a Sailor Aim for to Minimize Travel Time Along a Coastline?

  • trey
  • · Replies 2 ·
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2

Graduate Compact-valued range doesnot imply compact graph

  • CHatUPenn
  • · Replies 3 ·
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3

Graduate Is the set {(x,y) | x^4+y^4 ≤ 1, x≥0, y≥0} convex?

  • peteryellow
  • · Replies 1 ·
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1

Undergrad Is There a Formal Proof of the Multivariable Chain Rule?

  • ice109
  • · Replies 6 ·
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6

Graduate What is the relationship between limsup and liminf in real analysis?

  • ice109
  • · Replies 13 ·
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13

Graduate Simplifying Summation and Factorial

  • rwinston
  • · Replies 3 ·
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3

Undergrad Summation: Calculating an Infinite Series

  • sukreth
  • · Replies 8 ·
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8

Graduate How do functions and vector fields interact with normal derivatives?

  • kingwinner
  • · Replies 16 ·
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16

Undergrad Geometric Argument to Solve AP Calculus Problem

  • Feldoh
  • · Replies 5 ·
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5

Graduate Evaluating Integral for Region Bounded by x^2 - xy + y^2 = 2

  • bobsmiters
  • · Replies 1 ·
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1

Undergrad Evaluating the limit cos(x)/x minus x as x approaches 0 and infinity

  • dwaonng
  • · Replies 3 ·
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3

Graduate Can Continuous Homotopies Be Smoothed While Preserving Endpoints?

  • jostpuur
  • · Replies 4 ·
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4

High School Law of sines and law of cosines

  • emohunter7
  • · Replies 3 ·
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3

Undergrad Implicit Differential Equation: dy/dx = xy - y^2

  • European Sens
  • · Replies 4 ·
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4

Graduate Solving Integrals with "Sommerfeld substitution

  • coomast
  • · Replies 2 ·
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2

Graduate Integral of 1/(1+a cos(θ-φ))²

  • NoobixCube
  • · Replies 37 ·
2
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High School When Should You Use Derivatives?

  • thharrimw
  • · Replies 8 ·
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8

Undergrad Change in concavity of a function

  • European Sens
  • · Replies 5 ·
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5

Undergrad Proof by Induction - Requires calculus

  • mathsgeek
  • · Replies 2 ·
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2

Graduate Function Inversion: Criteria for Elementary Form

  • NoobixCube
  • · Replies 1 ·
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1

Graduate Equation of a curve traced by a point on a rolling circle

  • wilhelmsir
  • · Replies 2 ·
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2

Graduate Limits, infinity, and cardinality (oh, and integrals too)

  • pellman
  • · Replies 11 ·
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11

Undergrad Evaluating Integral: ∫ (e√x / √x) dx

  • madahmad1
  • · Replies 4 ·
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4

Undergrad Simple way to get a complex Limit?

  • BackEMF
  • · Replies 7 ·
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7

Graduate Complex differentiability problem

  • Epsilon36819
  • · Replies 2 ·
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2

Undergrad What would the derivative of a graphed piece of music sound like?

  • DirtyBurge33
  • · Replies 8 ·
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8

Graduate Finding limit points, isolated points and closure of a set with alternating terms

  • rbzima
  • · Replies 4 ·
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4

Graduate Differentiation under the integral sign and contour integration

  • murshid_islam
  • · Replies 29 ·
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29

Graduate Interpreting a double integral as volume

  • naggy
  • · Replies 4 ·
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4

Undergrad Integration Issues: How to Join Parts and Techniques

  • Prologue
  • · Replies 5 ·
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5

Undergrad Is the derivative of infinity zero?

  • jimmypoopins
  • · Replies 5 ·
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5

Undergrad Mean Value Theorem to calculate solids of revolution?

  • false_alarm
  • · Replies 2 ·
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2

Graduate How Can We Integrate x^x Effectively?

  • thebetapirate
  • · Replies 11 ·
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11

Graduate Why must smooth functions be restricted to open domains in Rn?

  • jimisrv
  • · Replies 1 ·
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1

Graduate Concerning the Gaussion integral in polar coordinates

  • naggy
  • · Replies 4 ·
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4

High School Do you know if you have the right answer?

  • Helical
  • · Replies 4 ·
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4

High School Parametric Equations for Circle and Spiral Curves

  • mattb8818
  • · Replies 2 ·
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2

Undergrad How Do You Calculate the Velocity Vector When a Particle's Position is x=25?

  • leunglik
  • · Replies 1 ·
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1

Graduate Multi-dimensional residue theorem

  • Pere Callahan
  • · Replies 3 ·
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3

Graduate Are Integral Inequalities Always True in Measure Spaces?

  • jostpuur
  • · Replies 2 ·
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2

Graduate Solving One Tough Integral: Elliptical Integrals and Inverse Jacobian Functions

  • pocaracas
  • · Replies 5 ·
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5

Graduate Is the Inverse Function Theorem in R^2 Limited to Certain Neighborhoods?

  • WHOAguitarninja
  • · Replies 2 ·
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2

High School How do I solve ax = c (mod m) step by step?

  • booney1983
  • · Replies 1 ·
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1
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6

Graduate Complex Polynomial: Show Coefficients Bounded by Max |p(z)|

  • de1irious
  • · Replies 2 ·
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2

Undergrad Can You Find Real Roots in an Integer Polynomial Using Calculus?

  • Dragonfall
  • · Replies 3 ·
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3

Undergrad Trouble with minimum surface area for a cylinder

  • rela
  • · Replies 2 ·
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2

Graduate Proof of Continuity: Solving Problem a and b

  • asif zaidi
  • · Replies 2 ·
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2

Undergrad Integrate (e^0.03t)((50e^0.07t-10)/k)^-0.5 from 0 to infinity

  • Tompman
  • · Replies 11 ·
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11

Undergrad Challenges with Induction Proofs: Strategies and Solutions

  • ekko
  • · Replies 8 ·
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8

Undergrad Trig substitution for integral of x²/√(16-x²)

  • VantagePoint72
  • · Replies 8 ·
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8

Graduate Integrating a Torus' Volume around the Y-axis Using Washer Method

  • artikk
  • · Replies 3 ·
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3

Graduate Proving Integral Property for Constant One-Forms in R^3

  • tronter
  • · Replies 3 ·
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3

Graduate Summation of Series with Exponential Terms: Seeking Analytical Expression

  • yassermp
  • · Replies 3 ·
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3

Undergrad Integration by parts with e^(2x)sin(3x), cos(3x+1)cos(5x+6), and x²ln²(x)

  • Integralien
  • · Replies 7 ·
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7

High School Introductory Calculus-practice questions

  • hds29ka
  • · Replies 3 ·
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3

Undergrad How Do I Solve (1+1/x)^x = 3 Given That 3 Is Greater Than 2.718281828459045?

  • lvlastermind
  • · Replies 2 ·
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2

Graduate Can an Alternating Series Converge Absolutely?

  • rbzima
  • · Replies 4 ·
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4

Graduate What is an integrable singularity and how is it determined?

  • daudaudaudau
  • · Replies 1 ·
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1

Graduate Does a compact subset of R^k contain points achieving maximum distance?

  • bxn4
  • · Replies 2 ·
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2

Undergrad Binomial Theorem expansion with algebra

  • thomas49th
  • · Replies 5 ·
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5

Graduate What assumptions must be made about f for this limit and integral to be correct?

  • jostpuur
  • · Replies 3 ·
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3

Undergrad Function with discontinuous derivative at 0

  • metalbec
  • · Replies 7 ·
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7

Graduate Prove that x/(e^x-1) + x/2 is an even function, and therefore its

  • appletree3
  • · Replies 1 ·
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1

Graduate Proving Cauchy Sequence of |an-bn|

  • rbzima
  • · Replies 1 ·
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1

Undergrad Can Excel Solve for y in a Power 4 Equation?

  • edmondng
  • · Replies 2 ·
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2

Graduate Questions on Convergence of Sequence {an}: Find Its Limits

  • axe69
  • · Replies 1 ·
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1

Undergrad How do I compute the integral of x/(e^x) with limits 0 and infinity?

  • steelphoenix
  • · Replies 4 ·
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4

Undergrad What is the precise answer for integrating 3lnx/x?

  • Mitchtwitchita
  • · Replies 6 ·
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6

Graduate Does the Dirac delta function evaluate correctly at a boundary?

  • G01
  • · Replies 12 ·
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12

Undergrad How do I calculate the impulse delivered by a pipe bending machine?

  • Eagle Eyes
  • · Replies 1 ·
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1

High School How do I find my angle using sin and cos values?

  • Ascending One
  • · Replies 4 ·
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4

Graduate Evaluating an integral from special and general relativity

  • Point Conception
  • · Replies 4 ·
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4

Graduate Green's theorem and regular region

  • kingwinner
  • · Replies 5 ·
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5