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Differential Equations

Mixed approximation vs. full approximation for a power series expansion
6.8K threads
Undergrad Mixed approximation vs. full approximation for a power series expansion
Undergrad Proofs of various integral properties
  • Frank Castle
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7
Is a Differentiable Function Always Limited on a Closed or Open Interval?
  • hopelesss
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4
Undergrad Lagrange Multiplier. Dealing with f(x,y) =xy^2
  • King_Silver
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1
Undergrad Contour integration - reversing orientation
  • Frank Castle
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5
Undergrad Calculate partial derivatives and mixed partial derivatives
  • dyn
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4
Undergrad Parametrization and kinematics
  • fog37
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5
High School Does Changing Indices Affect the Formula for a Geometric Series?
  • Mr Davis 97
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4
Undergrad Equations for functions in the complex domain
  • TheCanadian
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3
Undergrad C1 and C2 in a differential equation....
  • luckis11
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7
Expanding the Fraction 1/x(x+1)^2: A Quick Guide for Scientists
  • karush
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10
10) AP Calculus linear functions
  • karush
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1
Don't think there is a solution
  • dayalji
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4
Integral Challenge II: Calculate Int. 2 to 7
  • lfdahl
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6
Undergrad Partial Fraction Decomposition With Quadratic Term
  • Cosmophile
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3
Undergrad Proof of convergence & divergence of increasing sequence
  • hikarusteinitz
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1
Undergrad Find a harmonic function with imposed restrictions
  • TheCanadian
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1
What is the slope of functions at the edge case of $x=1$?
  • Sithira
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1
Undergrad Is Wolfram Alpha Wrong About This Infinite Sum?
  • MAGNIBORO
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2
Undergrad Question about Digamma function and infinite sums
  • MAGNIBORO
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2
206.5.64 integral by partial fractions
  • karush
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3
Undergrad What is the Explanation for Implicit Differentiation Equation?
  • miguel hernandez
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2
Is the Improper Integral Convergent and What is its Value?
  • karush
  • · Replies 3 ·
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3
How Does Trigonometric Substitution Simplify the Integral Calculation?
  • karush
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5
High School Why can't sin(x^2) be expressed in terms of sin(x)?
  • Prem1998
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5
Undergrad Why is Stoke's theorem of a closed path equal to zero?
  • Phylosopher
  • · Replies 9 ·
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9
Does this integral converge at $y=1$?
  • karush
  • · Replies 11 ·
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11
Can Simpson's Rule be Applied to $$I_{35}$$?
  • karush
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2
242.q2.3a Int_2^4 dx/[x( ln x)^2]
  • karush
  • · Replies 13 ·
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13
ANSWER CHECK: Double Integral in Polar
  • Pull and Twist
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2
ANSWER CHECK: Sum of Double Integrals involving Polar Conversion
  • Pull and Twist
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2
Undergrad Decomposing a Function for Numerical Integration
  • ecastro
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1
Undergrad Properties of Direct Product of Half Open and Open Intervals
  • shinobi20
  • · Replies 18 ·
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18
Deriving F(x) from f(x*f(x^2)) with Given Conditions
  • Umar
  • · Replies 6 ·
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6
Graph of function intersects line
  • hopelesss
  • · Replies 8 ·
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8
Is only (i) true for a continuous function f with given conditions?
  • Umar
  • · Replies 6 ·
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6
206.8.7.58 Int 1/(x^2-6x+34) dx complete the square
  • karush
  • · Replies 6 ·
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6
Integral of sec(x): Solving with Substitution
  • Mathick
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4
Undergrad What is the Limit of This Complex Function as z Approaches i?
  • TheCanadian
  • · Replies 12 ·
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12
242.8.7.64 int (x^4+1)/(x^3+9x) dx
  • karush
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1
Evaluating $\int \tan^9(x) \sec^4(x) dx$
  • karush
  • · Replies 4 ·
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4
Find Linear Equation: C=f(F) Temp Conversion
  • Teh
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2
Undergrad What is the odd/even function in integral for trigonometric functions?
  • KFC
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3
Undergrad Integral of a special trigonometic functions
  • KFC
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1
Undergrad Understanding "Terrible" Math Notation: A Calculus Guide
  • BillhB
  • · Replies 9 ·
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9
Undergrad Dot product constrained optimization
  • thecage411
  • · Replies 3 ·
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3
Undergrad What is the purpose of Arc-Length Parameterization?
  • Sho Kano
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8
Undergrad Lim f(x)/g(x) as x->∞ and relative growth rate of functions
  • Battlemage!
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11
Finding Continuous Values of $\frac{e^{sinx}}{4 - \sqrt{x^2 - 9}}$
  • tmt1
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4
Undergrad Optimization in Projectile Motion
  • fog37
  • · Replies 16 ·
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16
Undergrad Understanding the Intuition Behind Fourier Series?
  • Gianmarco
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2
Undergrad How Does the -1 Arise in This Series to Function Conversion?
  • transmini
  • · Replies 2 ·
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2
Undergrad Spivak - Proof of f(x) = c on [a, b]
  • Simpl0S
  • · Replies 4 ·
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4
206.8.4.61 int (x^2+2x+4)/(sqrt(x^2-4x)) dx
  • karush
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2
Is Completing the Square Necessary for Finding Optimal Points in Calculus?
  • mlb123
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2
Undergrad Integrating a Function with Constants: A Physics Perspective
  • tade
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3
How Is the Integral of sqrt(y^2-16)/y Solved Using Trigonometric Substitution?
  • karush
  • · Replies 8 ·
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8
206.8.4.35 integral complete the square
  • karush
  • · Replies 7 ·
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7
Undergrad Why is the limit of θ from 0 to π in the formula for surface area of a sphere?
  • chetzread
  • · Replies 2 ·
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2
High School Integral with Exponential Integral Function
  • EngWiPy
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9
Solving a Disk Method Problem: What Info Needed?
  • JProgrammer
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3
205.8.4.30. Int 24/(144x^2+1)^2 dx
  • karush
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4
High School What is ##\frac{d}{dx}(\frac{x}{y^2})##?
  • askor
  • · Replies 12 ·
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12
How to Solve the Integral of 1/sqrt(7-x^2) – A Step-by-Step Guide
  • karush
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4
How can I find the inverse function for a given approximation?
  • Theia
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3
Undergrad Finding the Solution to ∫dx/sen(x): A French Forum Experience
  • Fips
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4
Graduate How would I know if my integrand is odd?
  • jhosamelly
  • · Replies 12 ·
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12
Undergrad How to calculate slope for data set
  • member 428835
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2
Evaluating the inverse of a function
  • Umar
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2
Undergrad Is the Gradient of Dirac Delta Independent of the Coordinate System?
  • IanBerkman
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7
Undergrad Does a limit exist on a graph at (-1,0) if the point
  • Kendal
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2
How Do You Evaluate the Integral of Sin^4(x) from 0 to Pi?
  • karush
  • · Replies 2 ·
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2
Undergrad Proving Theorem 1 in Spivak's Calculus: Tips & Tricks
  • Simpl0S
  • · Replies 4 ·
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4
Undergrad Verifying derivative of multivariable integral equation
  • transmini
  • · Replies 2 ·
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2
242.ws3.1 d/dx of e^arctan{x} - arctan{e^x}
  • karush
  • · Replies 1 ·
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1
Solve Indefinite Integral: 3 Ways
  • lfdahl
  • · Replies 7 ·
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7
Getting a sign chart for a function
  • tmt1
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2
Undergrad Partial derivative used in Calc of Variation
  • ibkev
  • · Replies 6 ·
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6
High School How can I find this characteristic function
  • EngWiPy
  • · Replies 1 ·
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1
Calculating the Derivative of an Exponential Function with Logarithms?
  • karush
  • · Replies 5 ·
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5
Graduate Why are y and y' treated as independent in calculus of variation?
  • HAMJOOP
  • · Replies 3 ·
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3
Finding Area under x^2-16 Curve: ∫_2^5
  • markosheehan
  • · Replies 2 ·
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2
Integration Help 2: Solving Int. w/ Unknown Method
  • NotaMathPerson
  • · Replies 10 ·
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10
How to Solve the Separable Differential Equation $y'=x^4y^4$?
  • karush
  • · Replies 5 ·
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5
Undergrad Solving Line Integral Limits: Negative Result?
  • OmegaKV
  • · Replies 1 ·
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1
Finding the value of the constant that makes the function continuous?
  • Umar
  • · Replies 4 ·
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4
Undergrad Griffiths problem 2.7 Messy Integral
  • Waxterzz
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7
Undergrad Need help with concept based questions
  • Deebu R
  • · Replies 6 ·
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6
Integrating $$1-y^2$$: Simplifying Arcsins
  • NotaMathPerson
  • · Replies 1 ·
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1
Need help with finding the inverse of a function
  • Umar
  • · Replies 4 ·
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4
Compare volume formula to integration
  • JProgrammer
  • · Replies 2 ·
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2
Convert $a^{5/\log_9a}$ to Base 14
  • Teh
  • · Replies 1 ·
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1
Undergrad Upper and lower bounds of integral
  • ddddd28
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8
Undergrad Moment of inertia of a spherical shell
  • Nikitin
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3
Undergrad Relating integral expressions for Euler's constant
  • julian
  • · Replies 18 ·
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18
D/dx x(x^2 +1) ^{1 /2}/(x+1) ^{2 /3}
  • karush
  • · Replies 8 ·
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8
High School What Defines a Continuous Function and Its Domain Differences?
  • Gurasees
  • · Replies 18 ·
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18
How Does Integration by Parts Differ in Solving $\int x^8 \ln x^9 \, dx$?
  • karush
  • · Replies 5 ·
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5
Undergrad What is a partial derivative and how is it used in Schrodinger's equation?
  • Arjun Wasan
  • · Replies 1 ·
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1
Maximizing Volume of Rectangular Prism with 120cm x 80cm Sheet Metal
  • Noah1
  • · Replies 18 ·
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18
Undergrad Integration Limits Changing in Double Integral Order Change
  • transmini
  • · Replies 4 ·
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4