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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
Graduate Proving properties of the Dirac delta function
  • "Don't panic!"
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2
Volume of Liquid: Proving $\overrightarrow{v}\cdot\overrightarrow{n}$
  • mathmari
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2
Remainder Estimate for Integral Test
  • Pull and Twist
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5
What is the general solution for the power series in Calculus 2?
  • joku1234
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6
Undergrad What is the integral of sqrt(ln(x))
  • Emmanuel_Euler
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5
Undergrad Integral of cos(1/x) dx: Solution
  • Emmanuel_Euler
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3
Graduate Definite Integral of Definite Integral
  • andyrk
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11
Graduate What is the most difficult integral to solve?
  • Emmanuel_Euler
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1
How do we prove the rule for differentiable curves in 3D?
  • mathmari
  • · Replies 8 ·
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8
How do you calculate limits in two variables?
  • mathmari
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5
Evaluating $\int_{-1}^{1}\sin^7\left({x}\right) \,dx$ Using $u$-Substitution
  • karush
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3
Graduate What is integral of ln(abs(sin(x)))dx
  • Emmanuel_Euler
  • · Replies 1 ·
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1
Graduate Mathematica code for multinomial expansion
  • nikozm
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4
Graduate Infinitesimals as interval limits in integration
  • cubic
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10
Undergrad Graphical interpretation of a double integral?
  • beer
  • · Replies 7 ·
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7
Indefinite integral using trig substitutions
  • karush
  • · Replies 12 ·
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12
Find maximum integral value of k
  • anemone
  • · Replies 2 ·
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2
[Limits] Help with Delta-Epsilon Proofs for Multivariable Functions
  • Steve1231
  • · Replies 1 ·
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1
Volume about x axis using cylindrical shells
  • karush
  • · Replies 3 ·
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3
Graduate Generalizing the relation between H(x), F(x) and G(x)
  • andyrk
  • · Replies 4 ·
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4
Undergrad How can you maximize the volume of a box made from a rectangular sheet?
  • Trrizzy
  • · Replies 1 ·
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1
Can differentiation under the integral sign simplify complicated integrals?
  • seonguvai
  • · Replies 1 ·
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1
Undergrad Implicit Differentiation: Differentiating in Terms of X
  • Drakkith
  • · Replies 7 ·
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7
Graduate Why Are Assumptions Critical in the Limit of Composite Functions?
  • sonofagun
  • · Replies 4 ·
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4
Undergrad Can different weights help determine the difference between two functions?
  • member 428835
  • · Replies 3 ·
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3
Graduate Discretizing Integrals for Scientists
  • VictorVictor5
  • · Replies 6 ·
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6
Graduate Why Does the Projection of a Jinc Result in a Sinc?
  • Wxfsa
  • · Replies 1 ·
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1
Undergrad Limit of tan(x)/x as x approaching zero
  • terryds
  • · Replies 7 ·
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7
Is this a typo? - Integral of fraction
  • anthonyk2013
  • · Replies 25 ·
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25
Undergrad Integration using Euler Substitution
  • bamajon1974
  • · Replies 10 ·
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10
Graduate Find Area Under x=2Sin^2(y) & y=x^2 Graphs
  • FuturEngineer
  • · Replies 1 ·
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1
Undergrad Clarification on a topic in Apostol's calculus text
  • Srichan
  • · Replies 8 ·
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8
Having trouble with the Laplace Transform
  • shamieh
  • · Replies 2 ·
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2
Undergrad Where Do I Start? Deriving Equations of Motion
  • jeff0928
  • · Replies 3 ·
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3
Undergrad What Does the Double Integral ∫ ∫ f(x,y) dx dy Represent?
  • uzman1243
  • · Replies 5 ·
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5
Calculating Volume of a Hollow Sphere w/ Differentials
  • Dethrone
  • · Replies 2 ·
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2
High School Real life application of calculus
  • Eltahawy
  • · Replies 4 ·
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4
Three vectors are on the same plane
  • mathmari
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2
Undergrad Is the Length of an Arc Equal to its Straight Line Distance?
  • Vinay080
  • · Replies 9 ·
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9
Minimum of the Sum of Logarithms
  • anemone
  • · Replies 2 ·
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2
Solving a Difficult Integral: Evaluating \int_{C}^{} \,d \frac{x^3}{y} ds
  • AngryStyro
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2
Undergrad Plus-Minus Symbol In This Trig. Equation
  • ecoo
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5
Graduate How to show the following summation is true?
  • Bishop556
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1
Find Maximum $(xyz)^2$ Given $x+y+z=0, x^2+y^2+z^2=2015$
  • anemone
  • · Replies 2 ·
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2
Graduate Calculus of Variations & Lagrange Multiplier in n-dimensions
  • MisterX
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1
Undergrad How Do You Calculate the Centroid of an Integrated Area?
  • jennyp
  • · Replies 1 ·
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1
Graduate Sum of exponentials: non-iterative approximate solution?
  • lavoisier
  • · Replies 4 ·
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4
Integral completing the square, next steps?
  • karush
  • · Replies 10 ·
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10
High School Mastering the Chain Rule: Tips and Tricks for Calculus Students
  • Drakkith
  • · Replies 20 ·
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20
Graduate Summation of exponential terms
  • A_s_a_d
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3
Graduate Integration : Mapping Smoothly (-inf, 2] to [0.1,0.9]
  • Hepth
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1
Does the Limit Exist? Check to Find Out!
  • mathmari
  • · Replies 2 ·
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2
Undergrad Problem with finding volume using shells
  • asadpasat
  • · Replies 1 ·
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1
Undergrad Advanced Calculus Extra Credit Suggestions
  • KevinMWHM
  • · Replies 1 ·
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1
Graduate Solving Riemann Sum for "Deformation of Water by Magnetic Field
  • subzero0137
  • · Replies 1 ·
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1
Undergrad Limits involving absolute values
  • PFuser1232
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2
Graduate Constrained Extrema and Lagrange Multipliers
  • throneoo
  • · Replies 1 ·
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1
Undergrad First Derivative of Periodic Tube Profile | Get Help Now
  • nazmulislam
  • · Replies 5 ·
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5
Undergrad Imvt & LMVT: Existence of Point with f(x)=x
  • Ananya0107
  • · Replies 3 ·
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3
Undergrad Exponential integration confused
  • JI567
  • · Replies 2 ·
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2
Solving Limits Using De L'Hospital's Rule
  • bahadeen
  • · Replies 1 ·
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1
Undergrad Derive the nth term of a sequence
  • Aceix
  • · Replies 5 ·
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5
Investigate Convergence of tanx Series: Find Common Ratio & Sum to Infinity
  • Alexeia
  • · Replies 2 ·
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2
Show δn = (sin nx) / (pi x) is a delta distribution
  • ognik
  • · Replies 8 ·
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8
Graduate Can an alternating series with decreasing terms converge to zero?
  • member 428835
  • · Replies 6 ·
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6
Graduate Understanding the Pitfalls of Integral Substitution: A Scientific Analysis
  • Wminus
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3
Undergrad How Do You Integrate 1/(x^2+80x+1600)?
  • Daniel Tyler
  • · Replies 3 ·
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3
Undergrad Integration of Multiple Variables
  • danielruffle
  • · Replies 7 ·
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7
Undergrad Differentiability of the absolute value of a function
  • PFuser1232
  • · Replies 12 ·
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12
Graduate The limit of xye^-(x+y)^2 when x^2+y^2 approach infinity
  • Mahathepp
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3
Undergrad Partial Fractions: Decomposing a Rational Function
  • PFuser1232
  • · Replies 3 ·
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3
Undergrad Proof of integration power rule
  • acegikmoqsuwy
  • · Replies 3 ·
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3
Graduate Definite integral of greatest integer function
  • andyrk
  • · Replies 20 ·
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20
Graduate How Does f(0) = a_0 When x^0 = 1 Only for Nonzero x?
  • PFuser1232
  • · Replies 4 ·
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4
Integrating $\sin^3\left({x}\right)\cos\left({x}\right)dx$: Solution
  • karush
  • · Replies 5 ·
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5
Undergrad Tricky Intregral for numerical quadrature
  • ognik
  • · Replies 21 ·
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21
How to Parametrize an Ellipse in Cartesian Coordinates?
  • mathmari
  • · Replies 8 ·
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8
Is the Curve a Line or a Point with Zero Acceleration?
  • mathmari
  • · Replies 2 ·
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2
Show that the point satisfies the conditions
  • mathmari
  • · Replies 4 ·
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4
How Does Archimedes' Estimation of Pi Hold for n=4, 8, 16, 32, ...?
  • nacho-man
  • · Replies 4 ·
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4
Graduate Proving the reciprocal relation between partial derivatives
  • "Don't panic!"
  • · Replies 1 ·
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1
Evaluating Integrals for 5th and 4th order polynomials
  • labrat1
  • · Replies 2 ·
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2
Undergrad Write this integral in terms of gamma function
  • eprparadox
  • · Replies 1 ·
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1
Undergrad Double Integrals in Polar Coordinates
  • geezer73
  • · Replies 12 ·
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12
Undergrad Properties of Integrals and differentials
  • andyrk
  • · Replies 11 ·
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11
Graduate Symmetry in second order partial derivatives and chain rule
  • powerof
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1
Graduate Reducing the function of a function to the ind. variable
  • END
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10
Undergrad At what point do you need Calculus?
  • BeautifulLight
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5
Undergrad Finding Arc Length of a Curve: Using ##dx## and ##dy##
  • PFuser1232
  • · Replies 3 ·
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3
Why does the equation of the level surface not have ln?
  • bbelson01
  • · Replies 3 ·
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3
Graduate Vector Properties: Does Length Affect Components?
  • nuuskur
  • · Replies 4 ·
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4
Undergrad Why Is the Cross Product Perpendicular to Its Constituent Vectors?
  • global
  • · Replies 26 ·
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26
Level Surfaces & Intersection of a Graph: Exploring $f(x,y,z) = x^2+y^2$
  • mathmari
  • · Replies 3 ·
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3
Graduate Calculation of particles by integral
  • nazmulislam
  • · Replies 5 ·
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5
Graduate Help with a troublesome integral
  • mmzaj
  • · Replies 1 ·
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1
Cylindrical coordinates - Orthonormal system
  • mathmari
  • · Replies 5 ·
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5
Graduate How can I evaluate a tricky Euler-Maclaurin sum involving hyperbolic functions?
  • FranzDiCoccio
  • · Replies 2 ·
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2
How can we evaluate this indefinite integral of a definite integral?
  • juantheron
  • · Replies 2 ·
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2
Undergrad Calculating Minimum Values for Artificial Gravity in Centripetal Force Wheels
  • julianwitkowski
  • · Replies 7 ·
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7
Geometric Meaning of Cylindrical & Spherical Mappings
  • mathmari
  • · Replies 2 ·
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2