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 Trapezoidal motion/kinematics calculations - solving for slewing velocity

  • larsbentley
  • · Replies 3 ·
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3

Undergrad Uniform continuity of functions like x^2

  • SANGHERA.JAS
  • · Replies 2 ·
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2

Graduate A Cubic Function and a Straight Line with One-variable Calculus

  • seniorhs9
  • · Replies 3 ·
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3

Undergrad Limit of (tan x - √3)/(3x - π) as x → π/3

  • Redoctober
  • · Replies 3 ·
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3

Graduate What is a Linear Combination of Spherical Harmonics?

  • Fyrefly
  • · Replies 1 ·
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1

Undergrad Is There a Trick to Integrating with Law of Cos?

  • cbirk
  • · Replies 1 ·
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1

Graduate Could calculus have been discovered from set theory alone?

  • kramer733
  • · Replies 1 ·
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1

Graduate Set of all rational sequences countable?

  • rat bass
  • · Replies 2 ·
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2

Undergrad Local Minimum of y=x(e^1/x): Why Not (1,e)?

  • nickeisenberg
  • · Replies 3 ·
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3

Graduate Dirichlet function and Lebesgue's integrability theorem seem contradictory

  • diligence
  • · Replies 7 ·
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7

Graduate Proving Connectedness of a Set Given Closure Condition

  • PBRMEASAP
  • · Replies 22 ·
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22

Undergrad Solving Tangent Line Problem: 2y^3 + (6x^2)y - 12x^2 + 6y = 1

  • akxt
  • · Replies 8 ·
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8

Undergrad Cylindrical to rectangular coordinates

  • violette
  • · Replies 5 ·
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5

Undergrad Finding general formulas for a series of numbers.

  • 1MileCrash
  • · Replies 3 ·
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3

Graduate Volume between truncated cone and an inclined plane

  • Simon Bridge
  • · Replies 3 ·
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3

Undergrad Directional Derivative of a discontinuous function

  • Useful nucleus
  • · Replies 5 ·
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5

Graduate Apostol definition of interior point and open set

  • kahwawashay1
  • · Replies 7 ·
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7

Graduate What Is Fractional Calculus and How Does It Work?

  • ssayani87
  • · Replies 3 ·
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3

Undergrad Calculus III Tips, Help, or Advice

  • AmagicalFishy
  • · Replies 4 ·
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4

Graduate What Are the Orthogonal Complements of Union and Intersection in Hilbert Spaces?

  • LikeMath
  • · Replies 13 ·
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13

Graduate Point-wise continuity on all of R using compact sets

  • Poopsilon
  • · Replies 12 ·
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12

Graduate Proving Existence of Sequence Converging to x in R

  • autre
  • · Replies 6 ·
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6

Graduate Selecting the correct bounds for polar integrals

  • blank_slate
  • · Replies 1 ·
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1

Graduate Zero curl and gradient of some scalar potential

  • redredred
  • · Replies 1 ·
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1

Graduate Integral (with respect to d(z/σ))

  • MechEng2010
  • · Replies 3 ·
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3

Graduate Radius of convergence around a=2 for ln(x)

  • nomadreid
  • · Replies 2 ·
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2

Graduate Why is the derivative of the sign function equal to Dirac's delta function?

  • DemoniWaari
  • · Replies 8 ·
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8

Undergrad Minimizing time for kayak and walking route optimization

  • perjac
  • · Replies 1 ·
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1

Graduate Why is the differential being onto equivalent to it not being zero?

  • yifli
  • · Replies 2 ·
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2

Graduate What is the Construction of R using Equivalence Classes of Cauchy Sequences?

  • autre
  • · Replies 3 ·
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3

Undergrad Why the definition of limit is often written

  • mahmoud2011
  • · Replies 4 ·
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4

Undergrad Definition of piecewise continuous/piecewise smooth

  • AlonsoMcLaren
  • · Replies 1 ·
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1

Graduate Evalutaion of a real integral using the residue theorem

  • asmani
  • · Replies 4 ·
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4

Undergrad Why does L'Hôpital's rule fail for lim x→∞ (x r^x) when r < 1?

  • swampwiz
  • · Replies 3 ·
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3

Graduate Tangent plane and Lagrange multipliers with constraints

  • Tiome_nguyen
  • · Replies 1 ·
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1

Graduate Convergence of weighted sums of measurable functions

  • azztech77
  • · Replies 1 ·
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1

Graduate Is there a fourier series for ln(x)?

  • ChowPuppy
  • · Replies 3 ·
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3

High School Understanding Complex Planes-Graphs - Get Explanations Here

  • Bassalisk
  • · Replies 3 ·
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3

Graduate Interesting but useless equation?

  • eliudthorn
  • · Replies 2 ·
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2

Undergrad Is f:y=|ln(x)| a Complex Function?

  • PeetPb
  • · Replies 3 ·
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3

Undergrad Coordinate systems - finding optimal? simple conceptual question

  • elegysix
  • · Replies 2 ·
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2

Undergrad What is the formula for calculating the next summation?

  • streber
  • · Replies 1 ·
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1

Graduate What is the descent time on a cycloid?

  • brainpushups
  • · Replies 1 ·
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1

Graduate What is the reason that 1/x is not lebesgue integrable?

  • onthetopo
  • · Replies 12 ·
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12

Graduate What is the analytical expression for the error function and its integrals?

  • nanath
  • · Replies 7 ·
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7

Graduate How do you prove e exists such that the derivative of e^x equals e^x?

  • DylanG
  • · Replies 7 ·
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7

Graduate Infinitely differentiable vs. continuously differentiable vs. analytic?

  • fleazo
  • · Replies 13 ·
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13

Graduate How Do You Decompose a Complex Function into Real and Imaginary Parts?

  • fleazo
  • · Replies 5 ·
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5

Graduate There are rationals between any two reals? - Rudin 1.20

  • gwsinger
  • · Replies 6 ·
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6

Graduate Why does exactness imply path independence?

  • fleazo
  • · Replies 1 ·
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1

Graduate Why Does Monotone Convergence Theorem Confirm Integral Bounds?

  • tjkubo
  • · Replies 5 ·
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5

Undergrad Derivative of arcsec(x) and arccsc(x)

  • NoOne0507
  • · Replies 2 ·
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2

Graduate Integral of complicated exponential functions

  • Wu Xiaobin
  • · Replies 17 ·
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17

Undergrad What is the best way to compare the size of complex values?

  • Pythagorean
  • · Replies 6 ·
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6

Undergrad Show by induction that (1-nu)(1+u)<=1 for n=0,1,2,3 and u>-1

  • gilabert1985
  • · Replies 1 ·
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1

Graduate Need a really advanced Calculus book

  • AdrianZ
  • · Replies 2 ·
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2

Undergrad New guy asking about Asymptotes of f(x)= x(lnx)

  • LearninDaMath
  • · Replies 3 ·
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3

Graduate Expressing a root of a cubic polynomial as a series

  • SeventhSigma
  • · Replies 8 ·
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8

Graduate Commuting derivative/Integral (not FTC or Leibniz)

  • nickthequick
  • · Replies 2 ·
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2

Graduate Solve Cycloid Question to Find Parameter 'a

  • brainpushups
  • · Replies 1 ·
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1

Graduate Determining eigenfunctions + arbritary value constant

  • JamesGoh
  • · Replies 1 ·
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1

Undergrad How can I improve my understanding of Calculus 1 by tackling tougher problems?

  • calcstudent1
  • · Replies 6 ·
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6

Graduate Constructing a smooth characteristic function

  • AxiomOfChoice
  • · Replies 1 ·
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1

Undergrad When Does This Equation Hold True?

  • Pacopag
  • · Replies 7 ·
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7

High School Is acceleration correlated with an instantaneous velocity?

  • gomer36
  • · Replies 8 ·
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8

Graduate Expanding the equation for large tan(x)

  • physlad
  • · Replies 2 ·
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2

Graduate Fractional calculus - uses, examples?

  • elegysix
  • · Replies 3 ·
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3

Graduate Unique nth Roots in the Reals - Rudin 1.21

  • gwsinger
  • · Replies 3 ·
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3

Undergrad Integrating [b^2-(x-vt)^2]^(-2) with respect to x

  • dapias09
  • · Replies 1 ·
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1

Graduate Are limits, integrals, and series equal?

  • romsofia
  • · Replies 2 ·
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2

Undergrad Convergence and Limit of Infinite Series with Exponential Terms

  • willworkforfood
  • · Replies 4 ·
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4

Graduate Abs Continuous Function w/ Unbounded Derivative on [a,b]

  • glacier302
  • · Replies 4 ·
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4

Undergrad When to assign a value to a multiple chain derivative?

  • Nano-Passion
  • · Replies 5 ·
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5

Undergrad Using sum difference derivative instead of prodict rule?

  • Nano-Passion
  • · Replies 3 ·
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3

Undergrad Proof l'hopital for infinity over infinity

  • georg gill
  • · Replies 4 ·
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4

Undergrad How did Euler come up with his famous formula?

  • Bassalisk
  • · Replies 7 ·
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7

Graduate From what theorem does this technique come from?

  • omoplata
  • · Replies 2 ·
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2

Undergrad Cartesian and Polar coordinate system increments

  • XYZ313
  • · Replies 8 ·
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8

Undergrad What is the physical significance of the divergence theorem?

  • wasi-uz-zaman
  • · Replies 2 ·
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2

Graduate An Impossible Solution: Solving the Function Graphing Problem in Calculus Class

  • JPBenowitz
  • · Replies 9 ·
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9

Graduate Vectors and the Geometry of Space

  • tmlfan_17
  • · Replies 5 ·
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5

Undergrad How can a surface integral equal a line integral if they have different dimensions?

  • wasi-uz-zaman
  • · Replies 2 ·
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2

Undergrad Measuring the Length of a Parabolic Path with Line Integral

  • wasi-uz-zaman
  • · Replies 3 ·
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3

Graduate What Is the General Formula for Q in Multivariable Calculus?

  • evilcman
  • · Replies 1 ·
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1

Graduate Derivative approximation using nested radical and logarithmic functions

  • Matt Benesi
  • · Replies 1 ·
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1

Graduate How to Simplify This Complex Integral Calculation?

  • kassem84
  • · Replies 8 ·
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8

Undergrad Can L'Hopital's Rule Be Used for Limits to Infinity?

  • Lucy Yeats
  • · Replies 2 ·
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2

Graduate Why subsitution method for integration always work ?

  • MIB
  • · Replies 1 ·
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1

Graduate What to read after Understanding Analysis

  • Mr.Miyagi
  • · Replies 2 ·
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2

Undergrad What Went Wrong in Evaluating the Limit Using L'Hospital's Rule?

  • SpockTock
  • · Replies 3 ·
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3

Undergrad Can Differentials and Errors be Split in Calculus?

  • KingBigness
  • · Replies 5 ·
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5

Undergrad Problem with supremum and infimum examples

  • thecaptain90
  • · Replies 2 ·
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2

Graduate Solving integral equation with double ingegrals and singularities

  • srabbaa66
  • · Replies 1 ·
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1

Graduate Why does a constant polynomial contradict the fundamental theorem of algebra?

  • fleazo
  • · Replies 4 ·
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4

Graduate Vector differential identity proof

  • _jo_
  • · Replies 4 ·
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4

Graduate Why can't linear paths prove continuity in R^n?

  • MarlyK
  • · Replies 7 ·
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7

Graduate Maximum modulus principal for complex valued functions

  • fleazo
  • · Replies 1 ·
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1

Undergrad Checking solution to integration by parts with e

  • lonewolf219
  • · Replies 2 ·
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2

Undergrad Natural logarithm formula with nth root limit

  • Matt Benesi
  • · Replies 2 ·
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2

Graduate Is the Function Uniformly Convergent on (0,1]?

  • hmmmmm
  • · Replies 3 ·
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3