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

Graduate Psi function or digamma function?

  • Belgium 12
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Solving Minute Hand Distance from Ground Graph Problem

  • jshayhsei
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2

Graduate Algebraic Manipulation of Hypergeometric F'n Parameters

  • cephron
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Graduate How Do You Maximize a Quadratic Form on a Sphere with an Affine Transformation?

  • Highwind
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Graduate Approximating Error in $\partial_x u(x;\eta)$

  • bruno67
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Graduate Numerical integration and errors

  • PorridgeMan
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Graduate Integration of O() terms of the Taylor series

  • nawidgc
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Show that the set is a partition of A

  • mathmari
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Is the Convergence of These Sequences Correctly Determined?

  • mathmari
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Why does continuity of f and f' at a point imply differentiability?

  • Yankel
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Graduate Integration Evaluation (Digamma function)

  • EngWiPy
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Undergrad Centroid and moments of inertia of a circle with variable surface density

  • CaptainX
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2

1.8.4 AP Calculus Exam Integral of piece-wise function

  • karush
  • · Replies 4 ·
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4

Undergrad Using mathematical methods to trade Forex

  • NetMage
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Graduate Proving Y = ZX is independent of Z but dependent on X

  • ychu066
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Undergrad Physical Motivation for Curl and Divergence

  • ninevolt
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Graduate What Is the Method for Conducting 2D Fourier Analysis of Complex Shapes?

  • hadoque
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Partial fractions with 6x-5 over (x-4)(x²+3)

  • Simon green
  • · Replies 4 ·
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4

15.1.34 Evaluate triple integral

  • karush
  • · Replies 2 ·
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2

Which Interval Shows f' Always Increasing?

  • karush
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3

Limit involving a hyperbolic function

  • Yankel
  • · Replies 4 ·
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4

Undergrad Derivative of a function is equal to zero

  • kent davidge
  • · Replies 4 ·
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4

Undergrad How to find the maximum arc length of this equation?

  • Saracen Rue
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3

High School ##\int_a^b x^2\sin(2x)dx## by substitution

  • archaic
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Graduate How can we determine the limit of a sequence through stochastic convergence?

  • wayneckm
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Graduate Derivation of dy dz = -(dx/dw) dq in Green's theorem

  • Karthiksrao
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Graduate Fourier Transform of a discrete function

  • matteo86bo
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Graduate General expression for the derivative?

  • rsq_a
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Graduate Surface Stability Estimator in IR^3

  • Grufey
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Graduate Proving Convexity of a Function with Directional Derivative

  • stanley.st
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Graduate Reexpressing double integral using parametric functions

  • agro
  • · Replies 1 ·
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Graduate Delta function representation from EM theory

  • pellman
  • · Replies 1 ·
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1

Graduate Confusing variable change calculation

  • AxiomOfChoice
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1

Undergrad How would I explain what scenarios the squeeze theorem should be used in?

  • MurdocJensen
  • · Replies 1 ·
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1

Graduate Gradient in general co-ordinate system

  • sebb1e
  • · Replies 1 ·
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1

Graduate Integral of a vector valued function

  • Lucid Dreamer
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Graduate Smoothness of the quotient map from C^{n+1} to complex projective space

  • Kreizhn
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Undergrad The sum of these functions equals a constant

  • kent davidge
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4

Undergrad Checking my solution to a differentiability problem

  • rasi
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1

Finding f'(1) for f(x)=7x-3+ln(x)

  • karush
  • · Replies 8 ·
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Graduate Non-convergence counter example?

  • strangerep
  • · Replies 3 ·
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3

Graduate Multivariable confluence hypergeometric function

  • xepma
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Graduate Can this represent rotation? Why?

  • yicong2011
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Graduate Prove combination of two sets contains an open ball

  • aegis90
  • · Replies 3 ·
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Undergrad Minimization and Variational Problems

  • Somefantastik
  • · Replies 1 ·
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1

Undergrad Modeling mathematical representation for music signal

  • asifadio
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1

Graduate Understanding vector calculus proofs

  • filipin0yboi
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1

Undergrad Calculate Ellipse based on 4 points

  • HellScream_
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Undergrad Tangent plane approximation via parametric equations

  • noctilux
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Graduate How Do We Apply Boundary Conditions in the Euler-Lagrange Equation Derivation?

  • homology
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Undergrad Resources for practicing setup of integrals using infinitesimals

  • joebevo
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1

Graduate What is the convergence rate of Fourier series?

  • zheng89120
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Graduate Proof - Substitution, Jacobian, etc.

  • stanley.st
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1

Graduate Finding average slope using Fourier

  • dlesswater
  • · Replies 1 ·
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Undergrad Getting better at writing proofs in real analysis

  • Rakiztah
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Graduate Continuous except on countable set in Baire class 1

  • hermanni
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Graduate Intuitive / self-apparent derivation of gradient in curvilinear coords

  • raxAdaam
  • · Replies 1 ·
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Graduate Series expansion of an integral at infinity

  • Irid
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Graduate Can functions with infinite derivatives at infinity be local homeomorphisms?

  • bdeln
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High School Does the Limit Hold for f'(x)>g'(x) Even if f(x)/g(x) is not a Constant?

  • archaic
  • · Replies 25 ·
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25

High School Why the Sign Changes from < 0 to > 0 ?

  • askor
  • · Replies 24 ·
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24

Graduate How Does Fourier Analysis Explain Frequency Changes in Time Series Data?

  • ramze
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1

Graduate Scaling parameters in maximum likelihood estimation

  • captain
  • · Replies 1 ·
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1

Graduate Solving equations by inversion formulae

  • zetafunction
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1

Graduate Summation of a series of bessel functions

  • JertLankster
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1

Graduate X in Boundary => x Isolated or Strict Limit (topological space)

  • NickAlger
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Graduate Integration of Bessel's functions

  • tworitdash
  • · Replies 4 ·
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4

Undergrad Question regarding notation when omitting terms

  • kent davidge
  • · Replies 5 ·
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5

Graduate What is the meaning of Green's Theorem via Curl?

  • skepticboat
  • · Replies 1 ·
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1

Graduate Can Laurent-Puiseux series be computed for annular regions?

  • jackmell
  • · Replies 1 ·
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1

Undergrad What is the interpretation of the Fourier transformation?

  • zezima1
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1

Graduate How Can Continuous Group Theory Be Applied to Solve a Differential Equation?

  • eljose
  • · Replies 1 ·
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1

Graduate Proper handling of witnessing constants in epsilon-delta proofs

  • farleyknight
  • · Replies 1 ·
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1

Graduate Learn Tensor Calculus: Understand Tensor Invariance

  • e2m2a
  • · Replies 1 ·
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1

Graduate Lagrangian Multiplier with Matrices

  • CuppoJava
  • · Replies 1 ·
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1

Graduate Did I Deduce Problem 4-25 in Spivak's Book Correctly?

  • kakarotyjn
  • · Replies 1 ·
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1

Graduate Proving Curvature at Point (a,f(a))

  • typhoonss821
  • · Replies 1 ·
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1

Graduate When is fourier series non-differentiable?

  • jostpuur
  • · Replies 1 ·
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1

Graduate Partition of an infinite-dimensional interval

  • tpm
  • · Replies 1 ·
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1

Undergrad The condition for an inflection point

  • jamadagni
  • · Replies 1 ·
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1

Undergrad Analysing the dependence of a variable on other variables

  • musicgold
  • · Replies 1 ·
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1

Graduate Borel resummation with rapidly growing coefficients

  • lokofer
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1

Graduate Proof of G(D)(e^{rx}Y(x))=e^{rx}G(D+r)Y(x)

  • 3.1415926535
  • · Replies 1 ·
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1

Graduate Are There Sophisticated Methods for Proving Uniform Distribution of Sequences?

  • snipez90
  • · Replies 1 ·
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1

Graduate Is the Set {aX : a is in L_infinity} Necessarily Closed in L1 Spaces?

  • DeanSkerl
  • · Replies 1 ·
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1

Graduate Can a 'periodic' function be used to derive these two sums using Fourier series?

  • nasim
  • · Replies 1 ·
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1

High School Modelling Logistics, Polynomials using data.

  • acer567
  • · Replies 1 ·
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1

Graduate Iterative integration in several variables

  • zetafunction
  • · Replies 1 ·
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1

Graduate Is There an Easier Way to Find the Nth Derivative of Curvature?

  • JPBenowitz
  • · Replies 1 ·
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1

Graduate Strafe and translation vectors in a 3d physics simulator

  • _Nate_
  • · Replies 1 ·
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1

Graduate Tensor gradient and scalar product

  • zyroph
  • · Replies 1 ·
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1

Undergrad Tetration except each repeated exponent increases by 1

  • Saracen Rue
  • · Replies 1 ·
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1

Undergrad Parseval's theorem and Fourier Transform proof

  • Ineedhelp0
  • · Replies 4 ·
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4

Square Sheet of Cardboard Problem

  • pataflora
  • · Replies 17 ·
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17

Graduate Criticism about resummation methods.

  • tpm
  • · Replies 1 ·
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1

Limit of integer part function using Sandwich rule

  • Yankel
  • · Replies 3 ·
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3

Calculus III is SO MUCH EASIER than Calculus II

  • shamieh
  • · Replies 5 ·
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5

Undergrad Do 4-divergences affect the eqs of motion for nth order perturbed fields?

  • JuanC97
  • · Replies 1 ·
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1

AP calculus exam tikx graph of e (tan x ) -2

  • karush
  • · Replies 4 ·
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4

303 AP calculus int with initial value

  • karush
  • · Replies 1 ·
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1