Calculus Forum

Post thread
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.
Graduate Strange proof of Young's inequality
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Inverse Fourier Transformation of a Fourier Transformation
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Chain rule violated for arc length?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Posts: 1 How to write the Fourier series up to Nth harmonic?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate What is the definition of analytic at infinity in complex analysis?
  • · Replies 4 ·
Replies
4
Views
7K
Undergrad Ln x/y = ln x - ln y From Integral 1/x dx only ?
  • · Replies 7 ·
Replies
7
Views
13K
Graduate Integration with respect to the counting measure
  • · Replies 3 ·
Replies
3
Views
9K
Graduate Differentiable on interval implies monotonic on some neighborhood of every point
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Laplace Equation in Cartesian Coor.
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Can you take a derivative with respect to the dependent variable?
  • · Replies 26 ·
Replies
26
Views
5K
Graduate Existence of meromorphic functions
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad How Do First Derivatives Help Identify Critical Points and Local Extrema?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Chain Rule and Multivariable Calculus Question
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Quotient rule for higher order derivatives
  • · Replies 17 ·
Replies
17
Views
16K
Undergrad Substitution in Laplace Transform: Simplifying the Process of Finding Transforms
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Z-transform of a discrete convolution
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Substitution changes limits of integration?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate What is the definition of compact sets in real analysis?
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Solve Rate of Convergence Problems Easily
  • · Replies 3 ·
Replies
3
Views
13K
Graduate Do physicists know the Lebesgue integral?
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Rigorously Proving Direct Proportionality: Let's Find Out!
  • · Replies 5 ·
Replies
5
Views
2K
Graduate How does the del operator change with incompressibility assumption?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate [Help]The proof of (a.c)b-(a.b)c=aX(bXc)?
  • · Replies 1 ·
Replies
1
Views
16K
Graduate Integration of function in a region
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Approximating (x^2+a^2)^(1/4) w/ Error < 1e-6
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Fraction of integrals with different variables
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Question about simple analysis proof
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Does a Function f(x,y,z) Satisfy Given Partial Derivatives?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Prelim problem: bizarre integral expression
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Can TI-83 Calculate Exponentials in Cartesian Form?
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Taylor Series/Newton Raphson Method question -Link Fixed
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad What is the integral of ln(9-x) over ln(9-x) plus ln(x+3)?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Orientation of Surface and edge of surface
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Taylor Series/Newton Raphson Method question
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Are implicit and partial differentiations related?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Finding the derivative vs differentiating vs finding the differential of a fn/eqtn
  • · Replies 3 ·
Replies
3
Views
6K
Graduate Is the Kronecker Delta Related to the Dirac Delta in Quantum Mechanics?
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad Why does Δx tend to 0 when Δu tends to 0 in the chain rule?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Proof that Every Compact Set is Bounded
  • · Replies 10 ·
Replies
10
Views
6K
Graduate Complex Analysis proof question (from Markushevich text))
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Definite Integration: Solve (5∏/2) ∫y8 dy = 0.873
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Relationship Between K-Cells and Intervals in Baby Rudin
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad What shape results from integrating the area of a circle?
  • · Replies 5 ·
Replies
5
Views
5K
Undergrad Integrals over different domains
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Hi,I'm trying to prove that [tex]\lim_{x\to 0}\Gamma(x) =
  • · Replies 4 ·
Replies
4
Views
4K
Graduate Can You Solve This Bessel Function Equation Analytically?
  • · Replies 9 ·
Replies
9
Views
3K
Graduate How can I use slope calculations to solve for sin(x)?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad How Can You Effectively Visualize and Draw Vector Fields?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Derivative of a complex function in terms of real and imaginary parts.
  • · Replies 7 ·
Replies
7
Views
14K
Graduate Does the dirac delta function have a Laplace transform?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How can I find the derivative of an integration with respect to y?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Finding points of non-differentiability
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Analytic continuation of the zeta function
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Defining of function in equation
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Unclear step in diam(S) = supS − inf S proof
  • · Replies 1 ·
Replies
1
Views
3K
Graduate The additive function is bounded
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Graphing f(x) = e^x/x and Testing for Infinity
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Changing Variables in PDEs: Understanding the Chain Rule
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Equality of mixed partial derivatives of order >2
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Find the general expression from k=0 to 'n'
  • · Replies 10 ·
Replies
10
Views
2K
Graduate Derive \dot v: A Thermo Relation for V, m and v
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Interchanging summation with integral, differentiation with integral
  • · Replies 6 ·
Replies
6
Views
15K
Undergrad Double Integral volumes: Triangular base
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Implicit partial differentiation functional det[]
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Analytic proof of continuity, differentiability of trig. functions
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Equality of integrals => equality of integrands
  • · Replies 4 ·
Replies
4
Views
8K
Graduate Physical definition of a complex angle
  • · Replies 12 ·
Replies
12
Views
19K
Undergrad Triple integral and cartesian coordinates
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad Efficiently Solve ∫x/(1+ex) dx with Expert Guidance | Get Back on Track Now!
  • · Replies 7 ·
Replies
7
Views
3K
High School Solving an Nth Derivative Problem with f(x)= (3x+7)/(x+2)
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Math problems to tell where you are with your knowledge of math
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Can you prove that Re{n} > -1/2 without using a prefix?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Continuous and smooth on a compact set implies differentiability at a point
  • · Replies 2 ·
Replies
2
Views
2K
Where Can I Find Help on Writing Series Expansion Formulas?
  • · Replies 11 ·
Replies
11
Views
19K
Graduate What Constitutes an Euclidean Space in Multivariable Calculus?
  • · Replies 23 ·
Replies
23
Views
5K
Graduate Defining Open Subsets in Baby Rudin
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Could There Be a Matrix Analog of the Del Operator?
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Finding and recognizing infeasible Lagrange multiplier points
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Spivak Inverse Function Theorem Proof
  • · Replies 3 ·
Replies
3
Views
5K
Undergrad What Are the Derivatives of |x| and [x]?
  • · Replies 6 ·
Replies
6
Views
2K
High School Location of proofs of trigonometric identities
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Help understanding MIT Open Course Ware Video Content
  • · Replies 12 ·
Replies
12
Views
3K
Undergrad Quick question about integral of (1/x)
  • · Replies 24 ·
Replies
24
Views
66K
Graduate Can two different infinite series converge to the same limit?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Confused about Limits in Algebra? Let's Clear Up Some Doubts!
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Derivative of Finite Sums: Solve Your Problem Here
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Finite Intersection of Open Sets Are Always Open?
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Question regarding Fourier Transform/e^-2pi*i
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad AP Calculus AB: Solving Limits Question on Continuity
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How Does Non-Radial Symmetry Affect the Fourier Transform of 1/|r|?
  • · Replies 4 ·
Replies
4
Views
8K
Graduate Confirming divergence theorm example
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad How can i calculate length of a rod with Monte Carlo method?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Q on Second partial derivative test for functions of n variables
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Understanding Spivak's Proof of Unique Derivative: A Holiday Challenge
  • · Replies 2 ·
Replies
2
Views
6K
Graduate Procrustes Analysis and Lagrange Multipliers
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Conservative Vector Field: Understanding Circulation and Potential Function
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Can I use polar coordinates in a triple integral?
  • · Replies 14 ·
Replies
14
Views
3K
Graduate D/dx[int(0,x) e^(-t^2) dt] : two methods, two answers
  • · Replies 4 ·
Replies
4
Views
10K
Undergrad Does the Limit of aCn/na Approach 1/a! as n Approaches Infinity?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Alternative proof of a theorem in Rudin
  • · Replies 12 ·
Replies
12
Views
3K