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

  • Sticky

What Are Advanced Integration Techniques in Mathematics?

  • alyafey22
  • · Replies 61 ·
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Undergrad Best way to numerically solve this system of equations?

  • Ax_xiom
  • · Replies 21 ·
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21

Undergrad ##x = z^y## can't be inverse function of ##y=\int_1^x \frac{1}{t}dt##

  • Mike_bb
  • · Replies 6 ·
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6

Undergrad Why solve J(X_k) ΔX_k = -F(X_k) instead of computing J⁻¹(X_k) directly

  • Ax_xiom
  • · Replies 5 ·
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5

Undergrad Why is ##x=e^y## the inverse of ##y=\int_1^x \frac{1}{t} dt##?

  • Mike_bb
  • · Replies 43 ·
2
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43

Undergrad Why ##a^0=1##?

  • Mike_bb
  • · Replies 85 ·
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85

High School Why is the growth of exps & logs so fast & slow, respectively?

  • mcastillo356
  • · Replies 6 ·
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6

Undergrad A counterexample to "the integral of the limit is the limit of the integral"

  • pasmith
  • · Replies 1 ·
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1

High School Why does multiplying by 1/sin(x)tan(x) give limit of 1 instead of 2?

  • SmartyPants
  • · Replies 8 ·
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8

Undergrad Finding the minimum distance between two curves

  • Charles Link
  • · Replies 35 ·
2
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35

High School Arc Length for Hyperbolic Sin

  • JCMateri
  • · Replies 6 ·
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6

High School Integration by parts error in wave function normalization

  • Guineafowl
  • · Replies 27 ·
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27

Undergrad Ambiguity of the term "indefinite integral"

  • u0x2a
  • · Replies 11 ·
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11

High School How does this derivative work? And why the speed of light remains?

  • mcastillo356
  • · Replies 7 ·
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7

Undergrad Computing the integral of x^3 from 1 to 2

  • aronclark1017
  • · Replies 7 ·
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7

Undergrad Proving that convexity implies second order derivative being positive

  • hmparticle9
  • · Replies 6 ·
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6

Graduate How to Find Critical Points of function f(x,y,z)

  • Gh. Soleimani
  • · Replies 9 ·
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9

Undergrad Problem with calculating projections of curl using rotation of contour

  • Mike_bb
  • · Replies 9 ·
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9

Undergrad Unit Circle Double Angle Derivations

  • aronclark1017
  • · Replies 6 ·
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6

Undergrad Unit Circle Confusion: A Self-Study Challenge?

  • aronclark1017
  • · Replies 7 ·
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7

Graduate How does time derivative commute from one variable to another?

  • irishetalon00
  • · Replies 5 ·
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5

Undergrad Why does Euler's identity seem to give 2iπ = 0?

  • 1940LaSalle
  • · Replies 3 ·
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3

High School Is this the right set mapping notation for a limit in two variables?

  • mcastillo356
  • · Replies 8 ·
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8

Undergrad Find f(z) given f(x, y) = u(x, y) + iv(x,y)

  • PLAGUE
  • · Replies 8 ·
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8

Undergrad Problem in understanding instantaneous velocity

  • Mike_bb
  • · Replies 33 ·
2
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33

Undergrad Derive the orthonormality condition for Legendre polynomials

  • hmparticle9
  • · Replies 30 ·
2
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30

Undergrad How to find the path if we only know the velocity (without common formulas)?

  • Mike_bb
  • · Replies 12 ·
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12

Undergrad Why is Griffiths Treating the Summation Like This?

  • bluepilotg-2_07
  • · Replies 4 ·
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4

High School Complex Numbers and Real Taylor Series

  • FranzS
  • · Replies 9 ·
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9

Graduate Getting the power spectral density from a plot

  • Malamala
  • · Replies 3 ·
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3

Undergrad Should the function f to be continuous for applying MVTI or not?

  • michaeldoe
  • · Replies 4 ·
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4

Undergrad Explicit logical justification for last step in epsilon/delta proof?

  • nomadreid
  • · Replies 20 ·
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20

Graduate Leibniz Rule Videos on Digital-University

  • bamajon1974
  • · Replies 0 ·
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0

Undergrad Algebraic property of real numbers

  • Mr X
  • · Replies 30 ·
2
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30

Undergrad Partial derivative of Dirac delta of a composite argument

  • William Crawford
  • · Replies 2 ·
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2

Undergrad Integral confusion for a simple Differential Equation

  • anthraxiom
  • · Replies 2 ·
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2

Graduate Challenging integral involving exponentials and logarithms

  • Steve Zissou
  • · Replies 14 ·
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14

Undergrad Struggling with vector calculus identity used in E&M derivation

  • mhirschb
  • · Replies 3 ·
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3

Undergrad Harmonic series Ʃ1/n diverges but p-series Ʃ(1/n)^p diverges?

  • Dimwitted_UniStudent
  • · Replies 4 ·
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4
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3

Undergrad Having trouble understanding a seemingly simple u-substitution

  • SmartyPants
  • · Replies 5 ·
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5

High School Mass estimate only through mass rate of change

  • FranzS
  • · Replies 4 ·
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4

High School Modelling object w/ functions, how to find volume loss from indents?

  • ChessGM
  • · Replies 9 ·
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9

Graduate Function expansion in Cartesian and spherical tensors

  • Malamala
  • · Replies 1 ·
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1

Undergrad ##f(2x)=f^2(x)-2f(x)-1/2## then find ##f(3)##

  • littlemathquark
  • · Replies 17 ·
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17

Undergrad Uniform convergence of family of functions with continuous index

  • psie
  • · Replies 3 ·
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3

Undergrad Optimal distance for measuring building height with angle and distance uncertainties

  • Juanda
  • · Replies 18 ·
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18

Graduate Fourier series approximation of a discontinuous eddy function

  • Remusco
  • · Replies 1 ·
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1

Undergrad Find ##\int_0^π \sin^ n x dx ##

  • chwala
  • · Replies 5 ·
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5

Undergrad Construction of reals through Dedekind cuts in Baby Rudin

  • psie
  • · Replies 1 ·
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1

Undergrad Reversing change of variables from dσ/dx to dσ/dEa

  • Milsomonk
  • · Replies 5 ·
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5

Undergrad Understanding Reduction Formula

  • chwala
  • · Replies 3 ·
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3

Undergrad ##L^2## - space equivalence classes and norm

  • cianfa72
  • · Replies 4 ·
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4

Graduate Particular Integrals of PDEs

  • vgarg
  • · Replies 2 ·
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2

Graduate Why Does Leg Selection in Trig Substitution Affect the Integral Result?

  • FatalFlare
  • · Replies 11 ·
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11

Undergrad Integration by inverse function formula

  • gleem
  • · Replies 6 ·
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6

Graduate Solving a power series

  • ILY
  • · Replies 3 ·
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3

Undergrad Delta sequence "extrapolation"

  • Elm8429
  • · Replies 1 ·
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1

Undergrad Oddity of a functional equation for the R zeta function

  • nomadreid
  • · Replies 5 ·
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5

Undergrad Infinitely many primes of the form p² + nq² -- really?

  • timmdeeg
  • · Replies 8 ·
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8

Undergrad Is there an alternative to Taylor series but with differences?

  • Rfael69
  • · Replies 2 ·
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2

Undergrad The net area and total area involving definite integrals

  • chwala
  • · Replies 2 ·
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2

High School The infinitesimal in Calculus

  • Agent Smith
  • · Replies 18 ·
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18

Undergrad Usage of inverse function theorem in Folland

  • psie
  • · Replies 11 ·
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11

Undergrad Questions on ##\mathbb{R}##

  • issacnewton
  • · Replies 5 ·
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5

High School What is a general definition of a limit?

  • Lotto
  • · Replies 1 ·
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1

Undergrad Integrating 1/x with units (logarithm)

  • greypilgrim
  • · Replies 15 ·
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15

Undergrad Different Substitution for Solving an Integral

  • 12Element
  • · Replies 6 ·
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6

Undergrad Trying to understand roots of quadratic equations

  • Martyn Arthur
  • · Replies 9 ·
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9

Undergrad A correct definition of sequential right continuity of a function

  • psie
  • · Replies 2 ·
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2

Undergrad Method for finding a complex series?

  • Ascendant0
  • · Replies 10 ·
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10

Undergrad Curl operator for time-varying vector

  • Malamala
  • · Replies 1 ·
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1

Undergrad Difference between integral and antiderivative?

  • egio
  • · Replies 6 ·
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6

High School Some questions to understand Riemann integrability criterion

  • mcastillo356
  • · Replies 12 ·
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12

Undergrad Understanding linear expressions

  • Martyn Arthur
  • · Replies 15 ·
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15

Undergrad Integration by substitution: why 6x becomes 1/6

  • Martyn Arthur
  • · Replies 7 ·
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7

Undergrad Infinite Series - Divergence of 1/n question

  • Ascendant0
  • · Replies 5 ·
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5

Undergrad To What Extent Can You Manipulate Limits?

  • Ascendant0
  • · Replies 9 ·
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9

Undergrad Why does the nth-term test for divergence only detect divergence?

  • chwala
  • · Replies 17 ·
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17

High School Does U-Substitution Function as the Inverse of the Chain Rule?

  • NoahsArk
  • · Replies 10 ·
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10

Undergrad Integration Using Trigonometric Substitution

  • erobz
  • · Replies 8 ·
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8

Undergrad Uniform convergence and derivatives -- difference between two theorems?

  • psie
  • · Replies 1 ·
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1

Undergrad On inverse function theorem in Spivak's CoM

  • psie
  • · Replies 6 ·
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6

Undergrad What is the position of this moving particle over time?

  • Mike_bb
  • · Replies 8 ·
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8

High School Why does the Limit Process give an Exact Slope?

  • NoahsArk
  • · Replies 53 ·
2
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53

Undergrad When can you switch a derivative and a limit?

  • nomadreid
  • · Replies 2 ·
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2

Undergrad What is the difference between these two power series theorems?

  • psie
  • · Replies 5 ·
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5

Undergrad Analysis of functions of a single variable via multivariable calculus?

  • imwhatim
  • · Replies 10 ·
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10

Undergrad Can Schwarz's Theorem be used "Backwards" to prove continuity?

  • Feymar
  • · Replies 21 ·
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21

High School Some questions while I self-learn Applied Calculus

  • user079622
  • · Replies 49 ·
2
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49

Undergrad How to Approach a Double Exponential Integral?

  • Steve Zissou
  • · Replies 3 ·
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3

Undergrad What would a calculus author have to say on ##\int r^2dm##?

  • DrBanana
  • · Replies 11 ·
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11

High School How do physicists know if limits exist, things are integrable, etc?

  • DrBanana
  • · Replies 12 ·
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12

Undergrad Separation of variables and the chain rule

  • Martyn Arthur
  • · Replies 8 ·
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8

Undergrad Why does surface area of revolution require ds instead of dx?

  • Ascendant0
  • · Replies 5 ·
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5

Undergrad Kronecker delta in Cartesian tensors

  • Worn_Out_Tools
  • · Replies 3 ·
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3

Undergrad Is the derivative map a→Df(a) continuous in Calculus on Manifolds?

  • psie
  • · Replies 9 ·
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9

Graduate Proving the Great Picard Theorem using Theorem 20.4

  • MathLearner123
  • · Replies 3 ·
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3

High School Some questions regarding the integral of cos(ax), "a" not zero

  • mcastillo356
  • · Replies 17 ·
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17

Graduate Existence of a limit implies that a function can be harmonic extended

  • MathLearner123
  • · Replies 1 ·
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1

Graduate Branch of logarithm on the punctured disk

  • MathLearner123
  • · Replies 2 ·
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2