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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
Undergrad Is it possible to integrate this?
  • Abtinnn
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Undergrad Precalc topics that are essential in calculus 3
  • annoyinggirl
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3
Graduate Is the Expansion of Hypergeometric Function Valid for Any |z|?
  • CAF123
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1
Calculus: Find Closest Point to (3,0) on y=x^2
  • zimmertr
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1
Graduate Biot and Savart Integral using Vectors
  • eliw00d
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2
Undergrad Fitting a (Very) Large Random Number To A Formula
  • WebDawg
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5
Graduate Sum of Related Periodic Functions
  • Dschumanji
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5
Graduate How can I correctly perform Fourier inversion of function S(q) to get G(r)?
  • enrikofermi
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5
Evaluating a Limit: $\lim_{x\to 0}\frac{1}{4}$
  • karush
  • · Replies 10 ·
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10
Graduate What is the asymptotical expansion of Sin(x^-1)?
  • GiuseppeR7
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4
Graduate Integration of a function that's non-zero at one point
  • "Don't panic!"
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14
Undergrad Mixing units with functions or derivatives?
  • christian0710
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4
Undergrad Derivatives in Action, Change in radius per time of circle.
  • christian0710
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2
Undergrad Finding derivative of x^x using limit definition
  • scottshannon
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2
Undergrad How Does the Chain Rule Explain Acceleration in Terms of Distance?
  • christian0710
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5
Undergrad Calculating Minimum Possible Acceleration from given v and d
  • AndromedaRXJ
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14
Proving the Limit of an Infinite Sum
  • sarrah1
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2
Undergrad Finite Differences: Central vs Forward Scheme
  • member 428835
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1
Graduate Learning Index Notation: Tensor/Cross Product Confusion
  • Incand
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3
Undergrad Point rotating in a coordinate system
  • Karol
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2
How to Derive a Cubic Function with Horizontal Tangents at Given Points?
  • karush
  • · Replies 7 ·
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7
Find the Minimum Value of a Complex Equation
  • Albert1
  • · Replies 2 ·
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2
High School Learn Calculus: Required Math Concepts & Beginner Books
  • thecosmos123456
  • · Replies 3 ·
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3
Simplifying Binomial Expansion for Relativistic Velocity Sum
  • ognik
  • · Replies 10 ·
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10
Graduate Is the Integration of a 2D Gaussian Over a Circle Similar to the 1D Case?
  • TheCanadian
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7
Graduate Does Cauchy's Theorem Confirm That Arithmetic Means of Null Sequences Are Null?
  • elliti123
  • · Replies 4 ·
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4
Undergrad Need help with the integration of attached problem
  • Shahryar
  • · Replies 5 ·
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5
Why Is Implicit Differentiation of This Equation So Tricky?
  • karush
  • · Replies 17 ·
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17
Undergrad Change of variables in an integral
  • 2sin54
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4
Undergrad Convergent or Divergent: Is this a Convergent Series?
  • matthew1
  • · Replies 4 ·
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4
Undergrad Antiderivatives and the fundamental theorem
  • PFuser1232
  • · Replies 7 ·
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7
What is the decay constant of tritium?
  • tcking3
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2
Graduate Can you recommend a modern book on the calculus of variations?
  • Amok
  • · Replies 5 ·
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5
Graduate Substituting for the entire integrand
  • TomasRiker
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4
High School What is the Meaning and Usage of the Integral Sign?
  • nirky
  • · Replies 3 ·
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3
How Does Coil Orientation Affect Induced EMF in Electromagnetic Induction?
  • Drain Brain
  • · Replies 10 ·
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10
Undergrad Is the sum of 1/n to infinity as n = 1 thread closed for moderation?
  • nirky
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8
Graduate How to study Konrad Knopp book on infinite series?
  • elliti123
  • · Replies 16 ·
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16
Find average from a Taylor's expansion
  • ognik
  • · Replies 13 ·
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13
Differential Equations of Calculus Problems- Calc I course
  • tcking3
  • · Replies 4 ·
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4
Solving Chain Rule Derivatives: y=a^3+cos^3 (x) & y=[x+(x+sin^2 (x))^7]^5
  • tc903
  • · Replies 1 ·
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1
Graduate Integral of exponential over square root
  • newgate
  • · Replies 6 ·
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6
Graduate Prove log(n)/n^sigma is a null sequence.
  • elliti123
  • · Replies 3 ·
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3
Graduate Understanding dual basis & scale factors
  • Incand
  • · Replies 1 ·
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1
Completing A Square and Trig Sub
  • Nick Cutaia
  • · Replies 6 ·
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6
Find zeros f(x)=(x/100)-sin(x)
  • karush
  • · Replies 3 ·
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3
Graduate Changing to polar coordinates in an exponential
  • physichu
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2
Graduate How Does Summing Infinite Integers Equal Negative One-Twelfth?
  • zachx
  • · Replies 32 ·
2
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32
Improving the Accuracy of a Taylor Series for exp(tan x) Near x = π/4
  • ognik
  • · Replies 4 ·
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4
Graduate What is the result of using Euler's equation for Fourier transform integrals?
  • Galizius
  • · Replies 5 ·
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5
Graduate Integral of Exponential with Polynomial Argument
  • LayMuon
  • · Replies 3 ·
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3
Undergrad Mean Value Theorem for Definite Integrals
  • andyrk
  • · Replies 12 ·
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12
Prove L'Hopitals rule using Taylors expansion
  • ognik
  • · Replies 3 ·
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3
Undergrad Definition of derivative - infinitesimal approach, help :)
  • christian0710
  • · Replies 40 ·
2
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40
Graduate Wolfram Mathematica: ListPlot3D to SphericalPlot3D
  • sukharef
  • · Replies 1 ·
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1
Determining Terms in $\sum_{n=-N}^{N}|e^{J\frac{\pi}{4}n}|^2$
  • Drain Brain
  • · Replies 5 ·
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5
High School Understanding the Limit of 1/x as x Approaches Infinity and Zero
  • Josh S Thompson
  • · Replies 35 ·
2
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35
Undergrad What is Fubini's Theorem and How Does it Apply to Double and Iterated Integrals?
  • Bruno Tolentino
  • · Replies 1 ·
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1
Area between Curves: Find 1st Quadrant
  • karush
  • · Replies 3 ·
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3
Graduate How to prove this integral is 0 ?
  • qsk
  • · Replies 11 ·
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11
Undergrad Second Derivative of Circle Not a Constant?
  • Joseph Nechleba
  • · Replies 21 ·
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21
Graduate Indefinite integral with discontinuous integrand
  • PFuser1232
  • · Replies 6 ·
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6
Graduate Integral inconsistency with variable change
  • matt_crouch
  • · Replies 5 ·
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5
Undergrad Precise definition of the limit (epsilon-delta)
  • Cal124
  • · Replies 13 ·
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13
Can You Integrate This Tricky Expression?
  • karush
  • · Replies 5 ·
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5
Undergrad Understanding the Derivative of x: A Scientist's Perspective
  • Emmanuel_Euler
  • · Replies 35 ·
2
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35
Graduate Integrals of the Bessel functions of the first kind
  • Wuberdall
  • · Replies 1 ·
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1
Undergrad Why is ##g## differentiable only on ##(a,b)## and not on ##[a,b]##?
  • PFuser1232
  • · Replies 12 ·
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12
Undergrad Mean value theorem, closed intervals
  • PFuser1232
  • · Replies 3 ·
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3
Undergrad Problem understanding mathematical argumentation
  • christian0710
  • · Replies 11 ·
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11
Undergrad Negative angles (and much more)
  • PFuser1232
  • · Replies 2 ·
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2
Undergrad Discontinuities in intervals of integration
  • PFuser1232
  • · Replies 10 ·
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10
The Rock's Height and Velocity: 16t-1.86t^2
  • tc903
  • · Replies 2 ·
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2
Arc Length Formula: Understanding the Proof
  • Dethrone
  • · Replies 3 ·
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3
Undergrad Definite integral of an absolute value function
  • PFuser1232
  • · Replies 1 ·
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1
Undergrad Standard unit vector in the positive z direction?
  • space-time
  • · Replies 3 ·
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3
Undergrad Tangent to a a curve, something seems wrong (Calculus)
  • christian0710
  • · Replies 2 ·
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2
Undergrad Definite Integrals: Prerequisites for Property
  • PFuser1232
  • · Replies 4 ·
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4
Undergrad Inverse trigonometric functions
  • PFuser1232
  • · Replies 1 ·
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1
Questions on Rationalizing & Limits: Answers & Explanation
  • tc903
  • · Replies 10 ·
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10
Graduate Using the precise definition of a limit (epsilon & delta)
  • Cal124
  • · Replies 2 ·
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2
Graduate What do Constructivists think of Integrals?
  • "pi"mp
  • · Replies 14 ·
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14
Graduate Fundamental theorem of calculus for double integral
  • Bruno Tolentino
  • · Replies 1 ·
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1
Undergrad Understanding Tangent Vectors at Points on a Curve
  • vktsn0303
  • · Replies 5 ·
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5
Graduate Integral of $\frac{1}{\sqrt{x^2-1}}$: Solving & Understanding
  • PFuser1232
  • · Replies 4 ·
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4
Undergrad How Do You Prove x ≠ -1/y When x*y ≠ -1?
  • wfc
  • · Replies 11 ·
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11
Graduate Inverse hyperbolic functions (logarithmic form)
  • PFuser1232
  • · Replies 6 ·
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6
Undergrad How can I find the limit 0/0 when using direct substitution?
  • Cal124
  • · Replies 6 ·
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6
Graduate Questions on Newton's Method: Investigating Convergence & Initial Guesses
  • PFuser1232
  • · Replies 3 ·
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3
High School What is difference between abs(1/x^2) and 1/x^2 ?
  • Md. Abde Mannaf
  • · Replies 5 ·
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5
Methods for showing divergence of $\sum_{1}^{\infty} ln(1+\frac{1}{n})$?
  • ognik
  • · Replies 3 ·
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3
Graduate Curl in terms of "fractional" notation
  • Bruno Tolentino
  • · Replies 2 ·
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2
Graduate How to correctly convolve two delta functions?
  • badkitty
  • · Replies 1 ·
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1
Lipschitz Condition: Does $f(t,y)$ Satisfy? Find Constant
  • evinda
  • · Replies 6 ·
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6
Sum of infinite divergent series
  • Amer
  • · Replies 6 ·
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6
Undergrad Summing Taylor Series: Tips & Tricks
  • Cpt Qwark
  • · Replies 5 ·
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5
Undergrad Can relative maximum and minimum exist when the derivative....
  • MidgetDwarf
  • · Replies 4 ·
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4
Undergrad How Do You Choose the Correct Form for L'Hospital's Rule with Products?
  • PFuser1232
  • · Replies 2 ·
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2
Confused by Spherical Wedge Graphing on z-y Plane
  • Dethrone
  • · Replies 1 ·
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1
Undergrad Should I memorize all these trigonometric integrals?
  • Byeonggon Lee
  • · Replies 12 ·
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12