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

Solving $\sum_{m=1}^{6}\csc \theta$ for $\theta$

  • sbhatnagar
  • · Replies 2 ·
Replies
2

Undergrad Lim x→inf text book example confusing step

  • cambo86
  • · Replies 1 ·
Replies
1

Opinion Needed: Is Student's Solution Around x=2 Correct?

  • Amer
  • · Replies 2 ·
Replies
2

Graduate How to Verify the Equation: pi^2/8 = Sum (1/(2n+1)^2) without Prefix?

  • bomba923
  • · Replies 8 ·
Replies
8

Graduate Finding Surface for Complex ParametricPlot3D

  • zxh
  • · Replies 1 ·
Replies
1

Graduate Finding the curl in diffrent coordinates by transforming variables

  • sentinel
  • · Replies 1 ·
Replies
1

Graduate Tangent vector to a parametric curve

  • praharmitra
  • · Replies 2 ·
Replies
2

Graduate How a vol. integral becomes a vol. integral plus surface integral

  • tom8
  • · Replies 6 ·
Replies
6

Undergrad Difference between lim as x→∞ and lim as |x|→∞

  • Cristopher
  • · Replies 5 ·
Replies
5

Graduate Non-rotating vector fields with non-zero Curl

  • ShayanJ
  • · Replies 2 ·
Replies
2

Graduate Universal Law of Gravitation described by complex functions

  • coolbeans777
  • · Replies 2 ·
Replies
2

Undergrad Recurrence Relation - limit of a sequence

  • dumbQuestion
  • · Replies 1 ·
Replies
1

Is Calculus Really Awesome Compared to Linear Algebra?

  • Mathguy15
  • · Replies 26 ·
Replies
26

Undergrad Zeros of f(x) vs. Zeros of f'(x)

  • drewfstr314
  • · Replies 8 ·
Replies
8

Graduate Power Series Expansion: Find Alternatives to Ʃ ((-1)^(i-1))/i

  • venom192
  • · Replies 1 ·
Replies
1

Undergrad Is it possible to define this explicitly?

  • Nano-Passion
  • · Replies 7 ·
Replies
7

Undergrad U-substitution for Area of a SemiCircle

  • DahnBoson
  • · Replies 4 ·
Replies
4

Graduate How was (-1, 2/π) found to be a solution for the Putnam Calculus problem A3?

  • autodidude
  • · Replies 2 ·
Replies
2

Undergrad How Does the Standard Equation Define a Cylinder?

  • Nano-Passion
  • · Replies 4 ·
Replies
4

How Do You Apply the Quotient Rule with Square Roots?

  • sleepless
  • · Replies 4 ·
Replies
4

Graduate Chain rule with partial derivatives and divergence

  • bigerst
  • · Replies 6 ·
Replies
6

Undergrad What is the integration step used for quadratic factors in the denominator?

  • Polymath89
  • · Replies 3 ·
Replies
3

Undergrad Does changing the summation index change the series?

  • baby_1
  • · Replies 6 ·
Replies
6

Undergrad Why does vdv/dx equal 1/2(dv²/dx)?

  • vish22
  • · Replies 3 ·
Replies
3

Graduate Questions involving differentials (again)

  • autodidude
  • · Replies 4 ·
Replies
4

Undergrad Applications of Calculus and Numerical Methods

  • nebbione
  • · Replies 23 ·
Replies
23

Graduate NDSolve problems in Mathematica (differential equations)

  • sky8754180
  • · Replies 1 ·
Replies
1

Formalizing Understanding of Relationships between f(x), f'(x) and f''(x)

  • DeusAbscondus
  • · Replies 10 ·
Replies
10

Undergrad Double Integrals - application to centre of mass.

  • CAF123
  • · Replies 3 ·
Replies
3

Graduate Discretization of the divergence operator

  • matteo86bo
  • · Replies 1 ·
Replies
1

Undergrad Why must dv include dx in integration by parts?

  • Bashyboy
  • · Replies 2 ·
Replies
2

High School What is the purpose of integration?

  • mrtn
  • · Replies 8 ·
Replies
8

Undergrad Why does the logarithm derivative proof work for ln x but not log_b x?

  • galimax
  • · Replies 2 ·
Replies
2

High School What Is an Integral in Simple Terms?

  • Peppino
  • · Replies 16 ·
Replies
16

Decimal expansion to rational number

  • Dustinsfl
  • · Replies 2 ·
Replies
2

Undergrad Why Does the Area Between Curves in Terms of y Seem Negative?

  • dumbQuestion
  • · Replies 2 ·
Replies
2

Graduate Understanding Derivative and Integral Notation in Partial Differentiation

  • clm222
  • · Replies 4 ·
Replies
4

High School Why can't I cancel common factors in a rational function's domain?

  • dumbQuestion
  • · Replies 7 ·
Replies
7

Undergrad Does f'(x) approach 0 if f(x) approaches 0 as x goes to infinity?

  • vincent_vega
  • · Replies 10 ·
Replies
10

Undergrad Why do matching higher derivatives improve Taylor approximations?

  • fleazo
  • · Replies 9 ·
Replies
9

Undergrad Does third derivative verify if we have a point of inflection?

  • dumbQuestion
  • · Replies 2 ·
Replies
2

Graduate Intersection of concave functions

  • hermanni
  • · Replies 12 ·
Replies
12

Graduate Are vector and tensor transformations products of Jacobian matrices?

  • nigelscott
  • · Replies 2 ·
Replies
2

Undergrad For each real number x, let f(x) be the minimum of the numbers 4x+1,

  • azizlwl
  • · Replies 5 ·
Replies
5

Undergrad Can t^2/U approach 0 when t/U approaches 0?

  • mvww
  • · Replies 8 ·
Replies
8

Graduate Why is the Hessian matrix positive definite for least squares?

  • swampwiz
  • · Replies 2 ·
Replies
2

Graduate Fourier transform of a supergausian

  • modaniel
  • · Replies 5 ·
Replies
5

Relationship obtaining between various derivatives

  • DeusAbscondus
  • · Replies 20 ·
Replies
20

Graduate Distance for MD88 nosewheel to align main gear with taxi centerline

  • thetexan
  • · Replies 17 ·
Replies
17

Graduate Closed form for recursive sum σ(k) = 1 + Σ C(k,l)σ(l)

  • aodesky
  • · Replies 5 ·
Replies
5

Undergrad Intuition behind Integration by parts

  • Polymath89
  • · Replies 3 ·
Replies
3
Replies
1

Chain rule with e^(u) and why v'=e^u

  • DeusAbscondus
  • · Replies 17 ·
Replies
17

Undergrad Under which circumstances would sigma summation be used instead of integration?

  • camjohn
  • · Replies 8 ·
Replies
8

Graduate Negative areas in polar coordinate integrals

  • fleazo
  • · Replies 7 ·
Replies
7

Undergrad Why Doesn't My Fourier Series Expansion Look Like a Square Wave?

  • back2square1
  • · Replies 3 ·
Replies
3

Graduate Prove the vector area formula using line and surface integrals

  • rbwang1225
  • · Replies 4 ·
Replies
4

Graduate Derivative of integral of function with respect to the function

  • DCG
  • · Replies 12 ·
Replies
12

Undergrad Finding volume with polar coordinate.

  • isdouble
  • · Replies 5 ·
Replies
5

High School Intuition for arc length, angle and radius formula

  • gokuls
  • · Replies 3 ·
Replies
3

Undergrad How to calculate the height of a parabola, given base width and arc length?

  • DovlaMEN
  • · Replies 5 ·
Replies
5

High School Does the sequence (-1)^n converge or diverge?

  • Ryuzaki
  • · Replies 5 ·
Replies
5

Graduate What are the requirements for SVD to work?

  • spookyfw
  • · Replies 8 ·
Replies
8

Graduate How to derive nth derivative of x(t), when nth derivative of t(x) is known?

  • weetabixharry
  • · Replies 6 ·
Replies
6

Graduate Engineer stumped by pure math, need to find some way to get started

  • lankman
  • · Replies 2 ·
Replies
2

Undergrad Understanding Calculus Theorems for Limits

  • Interception
  • · Replies 2 ·
Replies
2

Undergrad Understanding Integration by Parts

  • Saterial
  • · Replies 3 ·
Replies
3

Graduate Is the Limit of (1 + 1/b)^b as b Approaches Infinity Equal to e?

  • n_kelthuzad
  • · Replies 30 ·
2
Replies
30

Graduate Solving Line Integrals with Vector Cross Products

  • Bassalisk
  • · Replies 4 ·
Replies
4

Balance After 5 Years of Compound Interest on Monthly Deposits

  • hatelove
  • · Replies 3 ·
Replies
3

Undergrad In integrating to find a volume when is the function included?

  • Fractal20
  • · Replies 3 ·
Replies
3

Graduate From Gaussian Quadrature to Chebyshev Quadrature

  • CFXMSC
  • · Replies 3 ·
Replies
3

Undergrad Converting an Integral to a Rieman Sum

  • smize
  • · Replies 3 ·
Replies
3

Undergrad What does the Interval of Convergence for a power series tell me?

  • BarringtonT
  • · Replies 4 ·
Replies
4

Undergrad Minimum distance between a point and a geometric locus

  • aliekor
  • · Replies 9 ·
Replies
9

Chain rule problem and choice of notation

  • DeusAbscondus
  • · Replies 8 ·
Replies
8

Graduate Why are non-intersecting branch cuts necessary for multiple-valued functions?

  • modnarandom
  • · Replies 2 ·
Replies
2

Graduate Line integral of non-exact form over piecewise smooth curve |x|+|y|=4

  • nasshi
  • · Replies 4 ·
Replies
4

Integral: For any natural number , evaluate

  • sbhatnagar
  • · Replies 3 ·
Replies
3

Graduate How to prove that f(x,y) is complex

  • friend
  • · Replies 11 ·
Replies
11

Having a problem working through an equation

  • DeusAbscondus
  • · Replies 5 ·
Replies
5

Undergrad Difference between differentiating a function and an equation

  • autodidude
  • · Replies 4 ·
Replies
4

How can I find the derivative of ln(sin5x)?

  • DeusAbscondus
  • · Replies 16 ·
Replies
16

Graduate Is the Cancellation of Differentials Valid in Calculating Inductor Energy?

  • BucketOfFish
  • · Replies 4 ·
Replies
4

Graduate How Does Modifying Parameters Affect Convolution and Fourier Transforms?

  • AxiomOfChoice
  • · Replies 4 ·
Replies
4

Graduate Approximating the Sum of Log Squared Terms for Large n?

  • yogo
  • · Replies 8 ·
Replies
8

Graduate Primitives, Proof based on theorems for differentiation

  • c.teixeira
  • · Replies 8 ·
Replies
8

Undergrad Derivative of (2/x) + (1/y) = 4 and

  • autodidude
  • · Replies 5 ·
Replies
5

Undergrad Solving dr²cos²t/dt = r sin t for amplitude

  • Lamarr
  • · Replies 1 ·
Replies
1

Undergrad Right Triangle Maximization Problem

  • xaenn
  • · Replies 5 ·
Replies
5

Undergrad Can I get the differential out of the integration

  • Marwan_H
  • · Replies 16 ·
Replies
16

Undergrad How does excel calculate the best fit line?

  • jsbxd9
  • · Replies 5 ·
Replies
5

Graduate Complex integral coming from a 1loop diagram

  • AdeBlackRune
  • · Replies 1 ·
Replies
1

Graduate Regarding Upper and lower integral sets.

  • nascentmind
  • · Replies 3 ·
Replies
3

Graduate Differentiating y=x^x: Acceptable Method?

  • autodidude
  • · Replies 2 ·
Replies
2

Undergrad Spotting trig identities to simplify ∫sqrt(1−cos(t))dt

  • Nikarasu M
  • · Replies 7 ·
Replies
7

Is the Chain Rule Necessary for Derivatives of f(x) = 1/(x√(5-2x))?

  • hatelove
  • · Replies 12 ·
Replies
12
  • Poll Poll

Undergrad Indefinite Integration of function's like log(cos(x))?

  • Najmoddin
  • · Replies 13 ·
Replies
13

Graduate Complicated Interpolation (Multivalued)

  • ZombieKitty
  • · Replies 2 ·
Replies
2

Graduate Inverse Fourier Transform in 2-d

  • nickthequick
  • · Replies 3 ·
Replies
3