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 Differentiating f(z) = zz* with respect to complex z

  • mnb96
  • · Replies 12 ·
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12

Undergrad Multivariable Calculus - chain rule on vectors

  • Nikitin
  • · Replies 2 ·
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2

Vector Analysis: $\varphi$, $\mathbf{v}$, and Their Cross Products

  • Dustinsfl
  • · Replies 1 ·
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1

Molly's question at Yahoo Answers regarding projectile motion

  • MarkFL
  • · Replies 1 ·
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1

Graduate Resources for integration by foliation and related methods

  • bolbteppa
  • · Replies 2 ·
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2

Checking surface integral of F = ⟨x, y, z⟩ over z = xy + 1

  • Dustinsfl
  • · Replies 12 ·
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12

When does the floor function inequality hold?

  • SweatingBear
  • · Replies 1 ·
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1

How Do You Find the Equation of a Tangent Line at a Given Point?

  • cgr4
  • · Replies 3 ·
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3

Melissa's question at Yahoo Answers regarding Hooke's Law

  • MarkFL
  • · Replies 1 ·
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1

Approximation and Logarithm Problem

  • phrox
  • · Replies 8 ·
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8

Graduate Proof that Fourier series of C¹ periodic functions converge uniformly

  • Swimmingly!
  • · Replies 6 ·
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6

Undergrad Showing why an integral is the area under a curve

  • jaydnul
  • · Replies 4 ·
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4

Optimization problems from Yahoo Answers

  • MarkFL
  • · Replies 3 ·
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3

Graduate Consider z=f(x,y) where x = r*cos(theta) and y = r*sin(theta)

  • QuantumPixel
  • · Replies 1 ·
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1

Undergrad DFT MathLab is wrong or I am wrong

  • btb4198
  • · Replies 17 ·
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17

Graduate Substituting ds by dt in Frenet-Serret Formulas

  • Philosophaie
  • · Replies 1 ·
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1

Quit Ratio - Function Question

  • cgr4
  • · Replies 1 ·
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1

Graduate Does Inductive Reasoning Prove f(x) Equals x Squared for All Natural Numbers?

  • Andrax
  • · Replies 2 ·
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2

Undergrad Why does the dx cancel out in partial derivatives for conservative fields?

  • DunWorry
  • · Replies 4 ·
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4
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4

Graduate Recursive logistic map vs continuous logistic function

  • nomadreid
  • · Replies 1 ·
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1

Calculating Arc Length for Curve c(t) = (t,t,t^2)

  • Fernando Revilla
  • · Replies 1 ·
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1

Solve Calculus Limits w/ Sine Function: Answers to Hey's Questions

  • MarkFL
  • · Replies 1 ·
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1

Undergrad Possible Positions in Chess After n Moves

  • leehufford
  • · Replies 7 ·
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7

Chain Rule & Partial Derivative Proofs: Understand Easily!

  • Petrus
  • · Replies 5 ·
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5

Graduate Physical Interpretation of Laplace's Transform

  • muzialis
  • · Replies 3 ·
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3

What does an asterisk (*) mean in the definition of an integral?

  • find_the_fun
  • · Replies 1 ·
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1

Sum of series with 2011th roots of unity

  • anemone
  • · Replies 2 ·
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2

Solve (x + 1)^(x - 1) = (x - 1)^(x + 1)

  • anemone
  • · Replies 7 ·
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7

How Do I Take the Dot Product of a Complex Expression with Itself?

  • Dustinsfl
  • · Replies 8 ·
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8

Find Area Shaded in Red of Curve f(x)

  • MarkFL
  • · Replies 2 ·
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2

Graduate Volume integration where the radius limit depends on the polar angle

  • M_1
  • · Replies 7 ·
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7

Find a so f(x) = (x+4)^2(a-x) has only two solutions at f(x) = 5

  • Bushy
  • · Replies 4 ·
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4

Graduate Total derivative with a constraint

  • Bman12345
  • · Replies 1 ·
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1

Bassman's question at Yahoo Answers regarding a solid of revolution

  • MarkFL
  • · Replies 1 ·
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1

Undergrad Derivative of modulus of a function

  • nil1996
  • · Replies 2 ·
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2

Graduate Why does ∫₀^∞ 2e^(2+jωt)dt converge to j2e²/ω?

  • hogrampage
  • · Replies 4 ·
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4

Felix's question at Yahoo Answers regarding Newton's method

  • MarkFL
  • · Replies 1 ·
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1

Prove the q-Gamma function approaches the Gamma function as q→1

  • alyafey22
  • · Replies 1 ·
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1

Graduate Bernstein polynomial and Bernstein function

  • Tatianaoo
  • · Replies 2 ·
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2

How did WolframAlpha get from step 1 to 2?

  • Dethrone
  • · Replies 4 ·
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4

Undergrad Why is the derivative slope dy/dx rather than f(x)/dx?

  • jaydnul
  • · Replies 7 ·
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7

Verification of Limit Using Taylor Expansion: x-ln(1+x)/x^2 = 1/2

  • Fernando Revilla
  • · Replies 1 ·
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1

Graduate Calculating Average of COS2X over a Sphere

  • lepori
  • · Replies 6 ·
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6

Understanding Limits of Differentiability

  • Dethrone
  • · Replies 36 ·
2
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36

Evaluate Definite Integral Challenge

  • anemone
  • · Replies 3 ·
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3

Vector Manipulation: Writing Cross Prod.

  • Dustinsfl
  • · Replies 1 ·
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1

Graduate Is the curl of a div. free vector field perpendicular to the field?

  • Wuberdall
  • · Replies 2 ·
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1

Graduate Does the Cool Series Example Work with n=-1 and n=0?

  • japplepie
  • · Replies 6 ·
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6

Undergrad Looking for a function with specific properties

  • zeroseven
  • · Replies 6 ·
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6

Graduate Velocity in Classical Mechanics by Douglas Gregory

  • manimaran1605
  • · Replies 4 ·
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4

Integration with absolute value.

  • paulmdrdo1
  • · Replies 18 ·
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18

Undergrad Algebraic methods to determine when a function has no limit

  • CuriousBanker
  • · Replies 6 ·
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6

Juan's question at Yahoo Answers regarding related rates

  • MarkFL
  • · Replies 1 ·
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1

What is the equation of the extreme normal line for a parabola?

  • MarkFL
  • · Replies 4 ·
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4

Graduate How to calculate the fourier transform of a gaussion?

  • jollage
  • · Replies 4 ·
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4

Undergrad Limit comparison test intuition

  • chipotleaway
  • · Replies 8 ·
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8

Graduate Understanding this proof involving alternating series

  • chipotleaway
  • · Replies 1 ·
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1

Understanding Parametric equations

  • Dethrone
  • · Replies 18 ·
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18

Notyo's question at Yahoo Answers regarding related rates

  • MarkFL
  • · Replies 1 ·
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1

Graduate Properties of mixed partial derivatives

  • wefoust2
  • · Replies 4 ·
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4

Graduate Differentiation spherical coordinates

  • ebrattr
  • · Replies 3 ·
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3

Solve Indefinite Integral: $\int\frac{\arctan x}{1+x^2}dx$

  • paulmdrdo1
  • · Replies 6 ·
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6

Undergrad Jacobian in spherical coordinates?

  • Uan
  • · Replies 7 ·
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7

Solve Definite Integral: Invalid Answer Error

  • paulmdrdo1
  • · Replies 3 ·
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3

Undergrad Challenging Summations, Limits, and Derivatives

  • Mandelbroth
  • · Replies 10 ·
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10

Graduate Strong differentiability condition

  • jostpuur
  • · Replies 31 ·
2
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31

Undergrad Inverse function of intergration

  • s_hy
  • · Replies 1 ·
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1

Graduate The inequality which implies f(x) > 0 - Spivak's Calculus

  • Seydlitz
  • · Replies 3 ·
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3

Undergrad DFT of sum of 5 Hz and 10 Hz sine waves not showing expected frequencies

  • btb4198
  • · Replies 15 ·
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15

Undergrad How are the hyperbolic function formulas derived?

  • Calculuser
  • · Replies 12 ·
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12

N's questions at Yahoo Answers regarding hydrostatic forces

  • MarkFL
  • · Replies 2 ·
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2

Undergrad Does triple integrals have to have a specific interval?

  • Ayham
  • · Replies 2 ·
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2

Undergrad Finding the derivative on the inverse of a function

  • Lebombo
  • · Replies 1 ·
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1

Maximizing the area of an isosceles trapezoid

  • MarkFL
  • · Replies 1 ·
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1

Indefinite integral of ln(x)/(1+x²)^(3/2)

  • MarkFL
  • · Replies 1 ·
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1

Undergrad Is this proof valid?

  • Jimmy Chung
  • · Replies 2 ·
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2

Undergrad Validating the Chain Rule in Calculus

  • Jimmy Chung
  • · Replies 5 ·
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5

Derivative with respect to which variable?

  • SweatingBear
  • · Replies 5 ·
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5

Undergrad Integrate sqrt(u-2): Trig or Straight Away?

  • DigiDigi
  • · Replies 6 ·
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6

What are the real-world applications of vector triple products?

  • Prove It
  • · Replies 9 ·
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9

Undergrad Looking for literature on a basic topic

  • mindheavy
  • · Replies 4 ·
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4

Graduate Is normal derivative a definition?

  • yungman
  • · Replies 6 ·
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6

High School Integral of 1/(2^x)

  • gnick
  • · Replies 2 ·
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2

Exact Value of Integral: $\arccos^2({\pi \over 4})$

  • eddybob123
  • · Replies 2 ·
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2
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2

Graduate How can I easily compute the Fourier Transform of a convolution integral?

  • muzialis
  • · Replies 4 ·
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4

Undergrad I am not understanding this differential relationship

  • mindheavy
  • · Replies 3 ·
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3

Can the Intriguing Harmonic Sum be Solved with Elementary Methods?

  • alyafey22
  • · Replies 7 ·
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7

Is There a Limit to Solving Difficult Polynomial Problems?

  • Dethrone
  • · Replies 14 ·
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14

Graduate Prove this equation with calculus knowledge

  • aerograce
  • · Replies 5 ·
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5
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3

Undergrad What does A/B notation mean in 1950s calculus writing?

  • honestliar62
  • · Replies 4 ·
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4

Which is larger, e^π or π^e, without computing?

  • eddybob123
  • · Replies 6 ·
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6

Graduate What is the Limit of e^-n times n^k over k! for n Approaching Infinity?

  • micromass
  • · Replies 7 ·
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7

Graduate Double Integration of Bessel Functions

  • csprh
  • · Replies 10 ·
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10

Graduate Differentiation with convolution operators

  • anja.ende
  • · Replies 1 ·
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1

Sum of Cosines: Find the Infinite Series

  • jacobi1
  • · Replies 2 ·
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2

Undergrad Can you integrate ln(x + x^2) using integration by parts?

  • DigiDigi
  • · Replies 5 ·
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5