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Differential Equations

Mixed approximation vs. full approximation for a power series expansion
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Undergrad Mixed approximation vs. full approximation for a power series expansion
Application for Derivative of Inverse Functions?
  • pflo
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U-substitution, definite integral, trig function
  • NecroWinter
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8
Graduate Computing integrals on the half line
  • hunt_mat
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4
Undergrad Substitution Method on indefinite integral
  • Chsoviz0716
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Undergrad Mathematica partial differentiation weirdness
  • kahwawashay1
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Graduate Analytic continuation of an integral involving the mittag-leffler function
  • mmzaj
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Undergrad Failure rate of a system at time 't'
  • francisg3
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7
Undergrad About the chain rule what's wrong with me?
  • MHD93
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Is this solution right or not ? Need yr backing
  • Mechano
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4
Graduate Partial Derivatives of Vectors and Gradients
  • The Head
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10
Graduate Infinite series that converges to pi
  • keeper1
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2
Graduate What is the mathematically correct way to write this summation?
  • Kalus
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8
Graduate Closed Curves on the Riemann Sphere
  • Poopsilon
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Is the Calculation of the Integral Along the Curve $\gamma(t)=1+it+t^2$ Correct?
  • Dustinsfl
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Graduate Continuous Functions: Does f(x+δ) = ε?
  • Flying_Goat
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Graduate What is the Proof for the Relation Between Legendre Polynomials and Sums?
  • JiriV
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Graduate Integrate mixture of multivariate normal distributions
  • Neddie
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3
Undergrad How Does a Line Integral of a Scalar Field Differ from a Regular Integral?
  • aaaa202
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Can all continuous functions be differentiated?
  • phizics09
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9
Graduate Calculating Angle of Attack and Side Slip Angle for Flight Control Systems
  • mikedamike
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Graduate Equivalence of Completeness Properties
  • 3.1415926535
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Series involving gamma functions
  • polygamma
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Graduate Prove that a normed space is not Banach
  • russel
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6
Undergrad Is This Proof Correct for the Area Under a Sinusoidal Graph from 0 to 2π?
  • mjerrar
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4
Undergrad What is the derivative of a vector?
  • Lucid Dreamer
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11
Graduate Why Do We Use |x-2| < 1 and δ = min{1,ε/5} in Epsilon-Delta Proofs?
  • ƒ(x)
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5
Undergrad Explain Euler's Theorem/Identity
  • BloodyFrozen
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Undergrad Center of circle from two points and a tangent angle
  • bkx
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Graduate The limit of an almost uniformly Cauchy sequence of measurable functions
  • Fredrik
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4
Undergrad Finding the dimensions of a rectangular box
  • hellomaxwalke
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1
Graduate I must understand connectivity wrong, because my book says this. The
  • aaaa202
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Undergrad Complex 3d vector intersection formula
  • Physicist1231
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15
Graduate Convergence in Galilean space-time
  • Wox
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5
Compute Fourier Series of f(x)=sin(x) & Parseval's Identity
  • Markov2
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3
Undergrad Did I Solve the Integral x^2√(1-x^2) dx Correctly?
  • Fabio010
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3
Yes, $\cos \alpha x$ can be considered a $2\pi-$periodic function.
  • Markov2
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4
Graduate Proving inf A + inf B ≤ inf(A+B): Is it True?
  • gauss mouse
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2
Graduate Convergence/Divergence of Tricky Series: Tips and Tricks for Ʃn=1∞ in/n
  • matt.qmar
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6
Undergrad Integration of f(dx): Proving Area of a Circle Formula
  • Shootertrex
  • · Replies 16 ·
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16
Undergrad Undefined points of a function
  • Square1
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1
Undergrad When to use shells, when to use disks?
  • esploded
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6
Graduate Functional Analysis: Open normed subspace
  • brydustin
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6
Undergrad Continuous and differentiable function
  • frankpupu
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2
Graduate Triangle integral ∫∫dxdyf(x*y) how to reduce to one dimension?
  • VytautasD
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Compute Two Series: Summation Notation
  • Krizalid1
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5
Graduate Uniqueness of Limits of Sequences
  • Fibo's Rabbit
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2
Graduate Zeta function the the orime counting function
  • mmzaj
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1
Undergrad I hope that helps! Proof of Definite Integral??
  • Calculuser
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2
Graduate Alt. approach to Taylor series of derivative of arcsin(x)?
  • raxAdaam
  • · Replies 2 ·
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2
Partial derivatives economics question
  • bart11
  • · Replies 2 ·
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2
Graduate Integral involving power , exp and exp(power)
  • yfatehi
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7
Finding Taylor Series of $\dfrac{1}{z-i} \div \left(z+i\right)$
  • Dustinsfl
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4
Undergrad What is the Physical Interpretation of Infinite Series?
  • matqkks
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11
Undergrad Differentiating with respect to a constant
  • unchained1978
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4
Undergrad When exactly does the tabular method for integration by parts fail?
  • -Dragoon-
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4
Graduate Derivation of least squares containing vectors
  • nobben
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1
Graduate How can I prove convergence and find the limit of this sequence?
  • oferon
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3
Undergrad Partial Fraction Decomp with a constant
  • jinksys
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2
Graduate Contradiction of statement regarding monotonicity
  • oferon
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2
Undergrad Reduction formulas for integral of sin and cos
  • livvy07
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1
How to Simplify an Integral Involving tan x
  • Math1
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3
Graduate Riemann zeta function - one identity
  • Karamata
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1
Evaluate Telescoping Sums:a/b for Integer k>0
  • alexmahone
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3
Yes, the 13's should be 12's. My mistake.
  • Blandongstein
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2
Undergrad How Do You Simplify the Limit of (n+1)^(1/3) - n^(1/3)?
  • oferon
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7
Undergrad Interpreting Derivatives with Respect to a Constant: Do They Actually Change?
  • dipole
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4
Graduate @what pt. does y=e^(32x) have max curvature?
  • nobelsmoke
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Graduate Inner product-preserving map that isn't unitary?
  • AxiomOfChoice
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2
Graduate How Do I Compute the Derivative of an Integral with a Single Variable Change?
  • carlosmg1982
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2
Graduate Is the Implicit Function Theorem Applicable to F=K?
  • deluks917
  • · Replies 2 ·
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2
Graduate Looking for an analytic mapping theorem
  • Poopsilon
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5
Determining the growth rate of a function
  • DanSlevin
  • · Replies 1 ·
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1
Graduate What is the Dual Nature of Nabla in Vector Differential Operators?
  • abrowaqas
  • · Replies 4 ·
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4
Undergrad Confusion in understanding Taylors theorem.
  • AAQIB IQBAL
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2
Undergrad Partial Fractions Solving: Denominators having degrees more than 2
  • engphy2
  • · Replies 7 ·
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7
Graduate Understanding L1 vs. Lp Weak Convergence
  • muzialis
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5
Graduate Is integration theory supposed to be this hard?
  • Fredrik
  • · Replies 40 ·
2
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40
Graduate Complex analysis question: can't find similar question on internet
  • runforest
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2
Undergrad Are there better methods for finding the average value of a function?
  • Square1
  • · Replies 3 ·
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3
Undergrad Find dy/dx of x^2 − (y^2) x = (3x − 3)y
  • Moongn
  • · Replies 3 ·
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3
How can I integrate Sinh4(x) using the hyperbolic sine method?
  • fisselt
  • · Replies 11 ·
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11
Graduate Troubleshooting Trigonometric Substitution for Circle Area Calculation
  • basenne
  • · Replies 1 ·
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1
Graduate Cauchy-Riemann: Is the Relation ∂x/∂y = -∂y/∂x True in General?
  • sahil_time
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2
Graduate Calculate Sum Series: 3^n+1/4^n+2
  • blob84
  • · Replies 2 ·
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2
Can the Given Complex Summation be Simplified?
  • Dustinsfl
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13
Graduate How to Derive the Quadratic Form of a Vector Function?
  • Lucid Dreamer
  • · Replies 6 ·
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6
Finding Bounds for a Tricky Complex Integral
  • Dustinsfl
  • · Replies 6 ·
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6
Graduate This summation sums to zero. Why?
  • EngWiPy
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3
Graduate Integration of functions mapping into a vector space
  • winterfors
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6
Complex Integration: Solving $\int_0^1\frac{2t+i}{t^2+it^2+1}dt$
  • Dustinsfl
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3
Undergrad Is Derivative Notation Limited to Positive or Negative Values of dx?
  • Calculuser
  • · Replies 14 ·
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14
Graduate Trying to find the quotient of infinite sums
  • demonelite123
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2
Graduate Trying to find integral using laplace method
  • Mathsone
  • · Replies 5 ·
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5
Simplifying Limit Problem - L'Hôpital and Algebra
  • Lepros
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2
Undergrad Why do you Tack on The Negative For this Integral
  • bmed90
  • · Replies 2 ·
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2
Undergrad Can u-substitution be described as a Jacobian?
  • Char. Limit
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7
Graduate Involving Landau's 'big oh' notation
  • Reb
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1
High School A book for Intuitive understanding of Calculus
  • iVenky
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8
Undergrad Leibniz Notation: Explaining dy/dx
  • Moose352
  • · Replies 28 ·
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28
Limits Involving Absolute Value: Solutions & Explanations
  • The Chaz
  • · Replies 1 ·
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1