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.
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Graduate Is the Function x->|x| Differentiable at 0?
- losin
- · Replies 3 ·
Mis-post i apologize, i will delete
- phys-lexic
- · Replies 1 ·
Undergrad Volume, washer method and shell method
- JKLM
- · Replies 5 ·
Undergrad The derivation of pi using limits
- potmobius
- · Replies 1 ·
Undergrad D'Alembert Ratio Test: Convergence test
- ruby_duby
- · Replies 1 ·
Undergrad Why does the gradient point in the direction of greatest increase?
- pamparana
- · Replies 2 ·
Graduate Some questions for entire function
- emptyboat
- · Replies 3 ·
Graduate Proving Bessel to Legendre in Dodelson's Cosmology Book
- nicksauce
- · Replies 1 ·
Graduate Proving Real Lipschitz Function Differentiability
- ibc
- · Replies 1 ·
Graduate Finding supremum of Euclidean norm for f(x) = (2x+1, 4x) on (0,1)
- evagelos
- · Replies 10 ·
Graduate Does ∇·(∇f × ∇g) = 0 require C² functions?
- madachi
- · Replies 1 ·
Undergrad Reverse the order of integration
- nothGing
- · Replies 3 ·
Graduate Summation of Summation: Calculating p^j*p^i
- gmmstr827
- · Replies 1 ·
Undergrad Riemann sum and anti-derivative
- stevmg
- · Replies 10 ·
Graduate What is the meaning of this: {x,0,0}/|x|^3 = (20^7, 50^6) ?
- N_F
- · Replies 4 ·
Undergrad Line Integral vs. Surface Integral: Range of t?
- nothGing
- · Replies 6 ·
Graduate New extremely simple method for computing extremely complicated integrals
- Count Iblis
- · Replies 1 ·
Undergrad Double integrals and change of variables
- newmathman
- · Replies 9 ·
Graduate Double Integral Syntax: WolframAlpha Solver
- N_F
- · Replies 2 ·
Undergrad When is it impossible to integrate?
- hover
- · Replies 18 ·
Graduate Flux integral of a curl = zero
- nonequilibrium
- · Replies 1 ·
Graduate Why uniform convergence of bounded functions implies f is bounded
- kingwinner
- · Replies 7 ·
Graduate F(x)=||x|| is Lipschitz function
- kingwinner
- · Replies 7 ·
Graduate Proving equality in a summation with binomial coefficients
- EngWiPy
- · Replies 2 ·
Undergrad How can we prove the continuity of ln x over (0, ∞)?
- evagelos
- · Replies 3 ·
Graduate Lipschitz Continuous Functions: Differentiable Almost Everywhere?
- lavinia
- · Replies 1 ·
Graduate Why do two textbooks give different Fourier sine coefficients for f(x)=x?
- roam
- · Replies 1 ·
High School Can a graph satisfy symmetry conditions but not look symmetric?
- Danish_Khatri
- · Replies 2 ·
Undergrad Can a Circulation Integral Be Calculated Using a Scalar Field?
- nonequilibrium
- · Replies 2 ·
Undergrad The break down of a negative binomial equation
- mcanski
- · Replies 4 ·
Graduate Coefficients of a complex laurent series
- StatusX
- · Replies 12 ·
Graduate Solution for y in Advanced Calculus - x,y,z
- dweads
- · Replies 1 ·
Graduate Integration of x^n*e^x/(e^x + 1)^2
- Littlepig
- · Replies 1 ·
Undergrad Does the Series \sum_{n=1}^{\infty} \left( 1 - \sqrt[n]{n} \right) Converge?
- Sweet_GirL
- · Replies 14 ·
Graduate An open mapping is not necessarily a closed mapping in functional analysis
- adityab88
- · Replies 4 ·
Undergrad The integration of e^(x^2)
- Owais Iftikhar
- · Replies 33 ·
Graduate Hard Sum Question: Sum of n=1 to ∞ n^2/(n^4+1)
- ~Death~
- · Replies 6 ·
Graduate Evaluating Logarithmic Integral with Cosine and Sine Integrals
- pseudogenius
- · Replies 2 ·
Undergrad Moment of Inertia for a Filled Sphere
- wil3
- · Replies 2 ·
Graduate What is the proof for continuity using the existence of a derivative?
- sponsoredwalk
- · Replies 3 ·
Undergrad Why is the sum of two simple functions also a simple function?
- seeker101
- · Replies 3 ·
Graduate What is the method to obtain this integral result?
- EngWiPy
- · Replies 2 ·
Graduate Function with partial derivatives of all orders but discontinuous at origin
- jem05
- · Replies 2 ·
Graduate How to Integrate the Complementary Error Function with an Exponential Decay?
- EngWiPy
- · Replies 2 ·
Graduate A weird convolution (recurrence relation)
- rsq_a
- · Replies 2 ·
Graduate Why does n² in denominator change to n in this proof about rationals and √2?
- sponsoredwalk
- · Replies 2 ·
Graduate How can I solve integrals with enthalpy and entropy in thermodynamics?
- nataliapw21
- · Replies 2 ·
Undergrad Is [0,1) open in the subspace [0,1]?
- AxiomOfChoice
- · Replies 1 ·
Graduate What is the derivation of cubic spline equations?
- fishingspree2
- · Replies 2 ·
Graduate Deriving the Minimum of a Summation Function - How Do I Do It?
- rider-pt
- · Replies 3 ·
Graduate Integrals of product of hypergeometric functions
- Pere Callahan
- · Replies 1 ·
Undergrad Solving the Limit of sqrt(x^2-9)/abs(3-x)
- gipc
- · Replies 1 ·
Undergrad Solving an Integral with a Twist - How to Approach it?
- Apteronotus
- · Replies 4 ·
Graduate A metric space/topology question
- Phillips101
- · Replies 5 ·
Undergrad Is the Equation (1-x)Cosx = Sinx Continuous and Solvable in (0,1)?
- ken1101
- · Replies 3 ·
Undergrad How Do You Evaluate a Line Integral Along a Parametric Curve?
- JHans
- · Replies 5 ·
Undergrad What trig. identity is used here?
- Peon666
- · Replies 3 ·
Graduate Expansion of a function f(x) with poles
- zetafunction
- · Replies 2 ·
Graduate Mellin Transforms -What could I be doing wrong?
- ~Death~
- · Replies 3 ·
Undergrad How Do You Solve the Differential Equation f''(t) = kf(t) for Spring Motion?
- luckis11
- · Replies 5 ·
Graduate Functional analysis convergence question
- iceblue
- · Replies 1 ·
Graduate Evaluate Limit with Factorials: \lim_{n \to \infty}
- pseudogenius
- · Replies 1 ·
Graduate Question about integrable functions
- AxiomOfChoice
- · Replies 1 ·
Graduate Does the integral of 1/((1+x)√x) from 0 to ∞ have a closed form?
- SW VandeCarr
- · Replies 6 ·
Graduate A small problem with a complex integral
- krishna mohan
- · Replies 2 ·
Undergrad F'(x)=sin((pi (e^x)) /2) and f(0)=1
- Punkyc7
- · Replies 4 ·
Undergrad Can the Disc Method Be Applied When Rotating Around y=x?
- flyers
- · Replies 1 ·
Undergrad Piecewise continuous -> NO vertical asymptotes
- AxiomOfChoice
- · Replies 5 ·
Undergrad Good resource for intro to wavelets?
- Agent M27
- · Replies 2 ·
Undergrad Any good online resources for Fourier series/transform/integral?
- Shackleford
- · Replies 4 ·
Graduate How Can We Calculate Coefficients in Multivariable Laurent Series?
- zetafunction
- · Replies 1 ·
Undergrad Definition of Arc Length Function
- wubie
- · Replies 10 ·
Graduate How to integrate with branch cuts?
- krindik
- · Replies 1 ·
Graduate Jacobian for change of variables α=xy, β=x(1-y)
- vertices
- · Replies 2 ·
Graduate Triple integral over pyramid bounded by plane 6x+3y+z=6
- chrisdk
- · Replies 1 ·
Graduate How to prove sup AC = supA supC Proving sup AC = supA supC
- kingwinner
- · Replies 3 ·
Graduate Can ALL Vector Fields Be Expressed as a Product?
- yoghurt54
- · Replies 4 ·
Undergrad How Can We Determine the Max Min of Trig Functions in the Range (0, pi)?
- Somefantastik
- · Replies 5 ·
Graduate Applying Leibniz's Rule to Differentiate Integrals
- mathmadx
- · Replies 1 ·
Graduate An example of a series involving factorials
- Ulagatin
- · Replies 2 ·
Graduate Bridge between complex analysis and differential geometry
- zwoodrow
- · Replies 1 ·
Graduate Approximation of total curvature
- fishingspree2
- · Replies 1 ·
Graduate Good References for Functional Derivatives
- Alamino
- · Replies 6 ·
Undergrad Conversion formula creation assistance
- Cadbury204
- · Replies 3 ·
Free differential equations calculator?
- luckis11
- · Replies 1 ·
Undergrad Factorising a complicated Quadratic
- stevemilw
- · Replies 7 ·
Undergrad Is Calculus of Variations the Next Step After Traditional Calculus?
- sponsoredwalk
- · Replies 2 ·
Undergrad Proof of continuity of f(x) = 1/x
- radou
- · Replies 24 ·
High School Can Random Methods and Limits Improve My Understanding of Numbers?
- Oh the irony
- · Replies 5 ·
Graduate Derivative of Log Determinant of a Matrix w.r.t a parameter
- CuppoJava
- · Replies 1 ·
Graduate How do I integrate e^(y^3) in a definite integral without using erf(x)?
- exidez
- · Replies 2 ·
Undergrad Can someone prove this series converges?
- AxiomOfChoice
- · Replies 4 ·
Graduate Vector Differentiation: Solving for Partial Derivatives
- ilvreth
- · Replies 8 ·
Undergrad Finding the Limit of a Multi-Variable Function
- hazellaw
- · Replies 2 ·
Graduate Problem Understanding Divergence in Improper Integrals
- 3.141592654
- · Replies 3 ·
Undergrad Find Vectors to Make 60° Angle w/ v=<3,4>
- hazellaw
- · Replies 1 ·
Graduate Is Newton's Method More Efficient than Lambert W for Solving Equations?
- bitrex
- · Replies 2 ·
Graduate Can a finite polynomial have no roots on the left of the complex plane?
- zetafunction
- · Replies 4 ·
Undergrad Flipping Limits in Integrals: Is it Valid?
- Kat007
- · Replies 2 ·
High School Simple recurring sequence (1, 2, 1, 2, 1, 2, 1, 2, )
- rekshaw
- · Replies 4 ·