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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
Graduate Need to find a convergent value
  • Werg22
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Undergrad Trig Derivatives: Questions Answered
  • Robokapp
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Graduate Are all the roots of an infinite polynomial real?
  • eljose
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High School Functions using mathematical jargon?
  • champ2823
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3
Graduate Limit of x ln(a) - ln(a^x+b) for a>1, b!=0
  • bomba923
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Undergrad Fourier series of a lineer function
  • gulsen
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Graduate Can a 'Fractional Calculus' Derivative Theorem Succeed at n = 0?
  • Orion1
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Undergrad Continuity of a Function Around a Point
  • quasar987
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9
High School How can I undertsand calculus better?
  • QuantumTheory
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3
Undergrad Finding Online Calculus I Resources to Refresh Your Memory
  • tony873004
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3
Undergrad Proving the Truth of a Mysterious Identity
  • quasar987
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6
High School My Website - Calculus and DE tutorials
  • SockCymbal
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5
Graduate Turning a ball inside out without dissecting
  • san_1420
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7
High School What Are Complex Numbers and How Can They Simplify Your Calculations?
  • Atilla1982
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10
Graduate Elliptic Integrals: Arc Length of Ellipses and Elliptic Curves
  • amcavoy
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Undergrad Gaussian Quadrature Explained: Example Included
  • skiboka33
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3
Graduate Proving Fubini's Theorem: Tips & Ideas
  • amcavoy
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28
Graduate Image of 1/2 under gamma function
  • Castilla
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16
Graduate Derivative of an integral containing a Dirac delta
  • roast
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4
Graduate Question on form of differential
  • Noone1982
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Graduate Are these two integrals the same?
  • eljose
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Graduate Q&A: Integrating dW, Conservative & Non-Conservative Vector Fields
  • Noone1982
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Undergrad Limits of a Polynomial/Rational Function
  • dekoi
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7
Graduate Topology Q: Proving Basis of Topology on X
  • philosophking
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3
Graduate Question on definition of Span
  • Tzar
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2
Undergrad Proving If f(x)>0 for All x for Dogma
  • dogma
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1
Graduate How Do You Solve This Challenging Integral Involving a Modified Bessel Function?
  • loloPF
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4
Graduate How can I prove the decreasing inequality of a sequence in calculus?
  • relinquished™
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3
Graduate Does Integrating Zero Infinitely Yield a Convergent Series?
  • Edwin
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22
Graduate Understanding Infinite Intersections in Topology
  • *melinda*
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18
Undergrad When is the Best Time to Use Trig Substitution?
  • badtwistoffate
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7
Graduate Finding the Derivative of an Integral: Can You Solve It?
  • Icebreaker
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12
Graduate Derivative with respect to a vector
  • songCalculus
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3
Undergrad How can one find the area between the curves
  • mathelord
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4
Graduate Derivative a from v (lorentz transform)
  • mntb
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Graduate Solving the Analysis Question: Ball Movement in Room
  • amcavoy
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2
Graduate Monotonic Polynomial: Coefficient Constraints for [0,1]
  • olast1
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15
High School Why does the n 'fall out' of the square root in the Pythagorean theorem formula?
  • Kruger
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1
Undergrad Which Calculus Textbook is the Best Choice: Sternberg or Spivak?
  • courtrigrad
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1
Graduate Integrability of Modified Dirichlet Function & Upper Step Function
  • asdf60
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2
Undergrad An extension of the Fundamental Theorem of Calculus
  • Castilla
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2
Undergrad Is |\sin x|=-\sin x as x Approaches 0-?
  • Kamataat
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2
High School My Journal of Basic Concepts of Mathematics
  • JasonRox
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High School Where Can I Find Online Calculus and AP Calculus Video Lectures?
  • mlowitz
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3
Undergrad Can the Integral of a Difficult Series be Simplified?
  • Kruger
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2
Undergrad Why Does Integral 1/x dx from -1 to 1 Diverge?
  • aceetobee
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3
Graduate Classifying Discontinuities in a Piecewise Function
  • bard
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1
Graduate How can Line integrals curves not matter?
  • Noone1982
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5
Undergrad How Can You Prove the Inflection Point on a Titration Graph with Two pKa Values?
  • apchemstudent
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Undergrad What is the Integral of Sin(sqrt(t))?
  • SplinterIon
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5
Graduate Is the Limit of the Second Derivative Greater Than Zero?
  • bomba923
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1
Graduate Proving the Increasing Nature of the Sequence x_n=(1+1/n)^n
  • MathematicalPhysicist
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8
Graduate Conformal map for regular polygon in circle.
  • vanesch
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1
Graduate Is There a Closed-Form Antiderivative for e^(-x^2)?
  • kennis
  • · Replies 8 ·
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8
Graduate What is the Limit of Multivariable Function at the Origin?
  • eutopia
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5
Graduate How Do I Calculate Work Using Line Integrals with Multiple Paths?
  • Noone1982
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3
Undergrad Solving the Limit as x Approaches pi/2
  • thenewbosco
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1
Undergrad Find the following limit as x->0
  • thenewbosco
  • · Replies 5 ·
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5
Graduate Is my Multivariable Chain Rule Derivation Correct?
  • Icebreaker
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5
Undergrad Solving for x in a Product Series: Is it Possible?
  • Sikz
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12
Graduate Is my formula for piston height and velocity in an engine correct?
  • Townsend
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1
Graduate Sum to Product / Product to Sum
  • amcavoy
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3
Undergrad Why can the tangent of a curve have exponents in Calculus?
  • Line
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8
Graduate Developping sin(x) on [0, pi] as a serie of cosines
  • quasar987
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3
Graduate Is the Neumann Series Always Effective for Solving Integral Equations?
  • eljose
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1
Undergrad Quick question about integration
  • dand5
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2
Undergrad Abs Value of X-Continuous Debate
  • Tom McCurdy
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7
Graduate Euler's Method Error: Derivation & Estimation
  • Moose352
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1
Graduate What Conditions Must p(x) and V(x) Fulfill for a Functional to Have an Extremum?
  • eljose
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1
High School Limits: What is "a" in the Equation?
  • Madeline
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9
Graduate What is the Derivative of Functions from R2->R2 and How is it a Linear Map?
  • domhal
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2
Graduate How do non-trivial zeros of the Riemann Zeta Function occur?
  • Jameson
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8
Undergrad I am in need of dier assistance if i want to pass
  • Analysishater101
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5
Graduate How to Calculate Differentials of Power Tower Functions?
  • mathelord
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4
Undergrad How can the Laplace transform of L[t^n] be proven?
  • mathwurkz
  • · Replies 3 ·
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3
High School Graphing Piecewise Functions: Get the Help You Need
  • Analysishater101
  • · Replies 1 ·
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1
High School Efficient Calc Formulas: Your Ultimate Guide to Boosting Productivity
  • viz_del
  • · Replies 5 ·
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5
Undergrad Integral of 1+sin(x) all over cos(x)^2
  • Giuseppe
  • · Replies 2 ·
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2
Graduate Deriving the expression for the diffusion constant
  • csk08
  • · Replies 1 ·
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1
High School Looking for Accredited Online Calculus Courses
  • CS_Surfer
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3
Undergrad Understanding Periods of Trigonometric Functions with Different Frequencies
  • asatru jesus
  • · Replies 2 ·
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2
Undergrad Coding Differentiation: Need Math Program Help
  • ranger
  • · Replies 16 ·
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16
Undergrad Fixed Point Iteration: Why Change g(x) to Find Other Roots?
  • brad sue
  • · Replies 2 ·
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2
Undergrad Integrals in Student Engineering: Ideas & Applications
  • nishant
  • · Replies 2 ·
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2
Graduate 2D Integral, Gaussian and 2 Sinc Functions
  • beautiful1
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2
Graduate Which is correct? Proving - numerical analysis (separation of symbols)
  • irony of truth
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1
Undergrad Understanding Taylor Series Error & Degrees of Variables
  • brad sue
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1
Undergrad How Does the Degree of a Taylor Series Affect Error in Numerical Methods?
  • brad sue
  • · Replies 2 ·
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2
Graduate Can a Non-Constant Continuous Function Have an Arbitrarily Small Period?
  • vidmar
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4
Graduate Understanding Sup&Inf: "For any two sets of real numbers
  • Kamataat
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2
High School Can you help me understand limits and continuity in Calculus?
  • marsbound2024
  • · Replies 5 ·
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5
Undergrad Indeterminate Forms in Limits: Can Dividing by Itself Equal 1?
  • The Rev
  • · Replies 6 ·
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6
Graduate Directional derivative - conventions
  • rachmaninoff
  • · Replies 9 ·
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9
Graduate Find Volume Inside x^2+y^2+z^2=4 and (x+2)^2+(y-1)^2+(z+2)^2=4
  • real10
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3
Graduate What is the proof of the Taylor Theorem in n variables?
  • Castilla
  • · Replies 9 ·
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9
Graduate Sequence can't have more than 1 unique limit?
  • kreil
  • · Replies 3 ·
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3
Undergrad Proving Uniform Continuity on a Closed Bounded Interval
  • irony of truth
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4
Graduate Convolution integrals with Dirac's delta and its derivatives
  • traianus
  • · Replies 15 ·
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15
Graduate How Can I Succeed in a Directed Study of Real Analysis?
  • trancefishy
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2
Undergrad Multivariable class, we'll be starting curvature
  • FluxCapacitator
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2