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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
Double-Checking Maths Homework for a 100% Semester Grade
  • ertagon2
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5
Solve for $\frac{dy}{dx}$ of $\ln(2xy)=e^{x+y}$
  • karush
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7
Definite integral of square root+cube root
  • tree21c
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3
Undergrad Help with simplifying series of hyperbolic integrals
  • Strum
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4
How Do You Calculate the Length of the Curve from $x=\ln{4}$ to $x=\ln{5}$?
  • karush
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10
Graduate Integral of Dirac function from 0 to a.... value
  • maistral
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3
How can the area of a conic surface be calculated in two different ways?
  • mathmari
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2
-z.55 Find the value(s) of t corresponding to the extrema
  • karush
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1
-8.2.59 Find eq for level surface
  • karush
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3
Undergrad Finding multiple roots of polynomial using numerical methods
  • NotASmurf
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20
Undergrad What is this sequence that converges to ln(x) called?
  • Daniel Gallimore
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2
Find the Derivative of a Function: Step-by-Step Guide for Beginners
  • yli
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15
Undergrad Lebesgue Integral of Dirac Delta "function"
  • lightarrow
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33
Prove the sum identity ∑n2n=2e.
  • lfdahl
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4
How can we parametrize the triangle?
  • mathmari
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16
Integral on plane inside a cylinder
  • mathmari
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3
Undergrad Integrating scaled and translated indicator function
  • Wuberdall
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1
12.3.63 Determine the smallest distance between point and a line
  • karush
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6
Graduate Integral equations -- Picard method of succesive approximation
  • LagrangeEuler
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11
Interval of Concavity for ${x}^{6}\ln\left({x}\right)$
  • hannahSUU
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2
Finding x of line bisecting parabola
  • TheFallen018
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4
Derivatives of trigonometric equation
  • Emjay
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4
Undergrad Solving this integral equation
  • imsolost
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4
What is the simplified numerator for the given function?
  • hannahSUU
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3
Undergrad What is the gradient of a divergence and is it always zero?
  • James Essig
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3
Undergrad Help with understanding inexact differential
  • granzer
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3
Undergrad Problem when evaluating bounds....Is the result 1 or 0^0?
  • nathangeo
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6
Undergrad Derivative and Numerical approach
  • fog37
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8
Prove $\sqrt{\sin x} > \sin\sqrt{x}, 0<x<\frac{\pi}{2}$
  • anemone
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2
Undergrad Can we extend the inequality 0 < sin x < x to sin(x/2), sin(x/5), and sin(3x)?
  • Leong
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5
Evaluate Integral $t_{1.11}$: $\cos^3$ to $\cos$
  • karush
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1
How to Find the Curve σ from Intersection of Surfaces?
  • mathmari
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4
Undergrad What's the name of this type of function?
  • Gabriela
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7
T1.14 Integral: trigonometric u-substitution
  • karush
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1
Series challenge: Evaluate 1/4+4/8+8/12+12/16+....
  • lfdahl
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3
18 Find the volume of the solid generated by revolving the region about y-axis.
  • karush
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4
Using differentials to estimate error
  • Buka
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2
Slope of y=-7 as x increases from 8 to infinity
  • rootbarb
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5
Derive a closed form and find its limit
  • lfdahl
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6
Need help finding derivatives and concavity.
  • yli
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11
Undergrad Help please with biocalculus question involving differentiation
  • sarahjonester78
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3
Undergrad Is there any good book to easy to self learn Integration?
  • Supreem
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4
Undergrad Second derivatives when pouring juice into a cup
  • mindy
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25
High School Ant on a rubber rope problem confusion
  • Kumar8434
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2
Undergrad Average chord length of a circle
  • serverxeon
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7
13.4.7 Find the curvature of the curve r(t).
  • karush
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14
High School Why Does tan x Have This Domain?
  • shihab-kol
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4
Undergrad How Do You Solve an nth Derivative Problem?
  • Bakhita Maryam
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1
Undergrad Need Aproximate expressions for : ln(x) and 1/ln(x) Thanks
  • Boudy
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2
Undergrad Understanding the Taylor Expansion of a Translated Function
  • Adgorn
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3
High School Wolfram Alpha graph of ln(x) shows as ln(abs(x))
  • rudy
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12
Undergrad How does the Vector Laplacian come about?
  • yosimba2000
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12
Undergrad Values of Lagrange multipliers when adding new constraints
  • voila
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1
Find value of X in this equation
  • aruwin
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2
Graduate Dirac-delta function in spherical polar coordinates
  • amjad-sh
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4
T6.1.1 Find the volume of the solid
  • karush
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3
Can't understand/solve Taylor exercises.
  • Velo
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7
Undergrad Can an FFT be used to extract individual sinusoids from a set of data points?
  • jameslat
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5
Higher order derivatives calculation
  • 4445
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4
Undergrad What Is the Integration Process for tan(2x) dx?
  • askor
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1
Infinite Differentiability and Analyticity.
  • Alone
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3
An inequality between the integral Remainder of a function and the function.
  • Alone
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2
Complex Residue Calculation at a Specific Point
  • Doomknightx9
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1
Graduate Analytic Continuation of DiLog in Mathematica
  • CAF123
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3
Region of Cone in Cylindrical Coordinates: Wondering
  • mathmari
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10
Graduate Orthonormalizing Functions on a Given Interval: A MATLAB Approach
  • member 428835
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8
Equation of the Tangent Line? (Derivatives)
  • Velo
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5
Calculate the volume of the space D
  • mathmari
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9
Why Is Problem #4 in Calculus 3 Series So Challenging?
  • matdac
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2
Solving the Integral of sqrt{x^2+1} Using Substitution
  • karush
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2
What point does the spiral converge to?
  • amr21
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3
Undergrad Is the Rewriting of Logs Valid for All Values of x?
  • CAF123
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8
Calculate Vector Integral $\vec{V_2}$
  • karush
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9
Calculating a Triple Integral in a Bounded Region
  • mathmari
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2
Difficult Derivative: Get Input on Taking the Derivative
  • topsquark
  • · Replies 11 ·
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11
Implicit Differentiation to find equation of a tangent line
  • hannahSUU
  • · Replies 4 ·
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4
Is $D_4$ a bounded region in 3-dimensional space?
  • mathmari
  • · Replies 10 ·
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10
Retirement Policy Comparison: A vs B
  • karush
  • · Replies 8 ·
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8
Step-by-Step Guide to Overcoming Inexperience: Help for Beginners
  • Doomknightx9
  • · Replies 1 ·
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1
Graduate Spherical Harmonics: A Primer on Barton's Relations & Addition Theorem
  • amjad-sh
  • · Replies 12 ·
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12
What is the process for finding the centroid of a sliced solid cylinder?
  • karush
  • · Replies 1 ·
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1
How Much Should Mattos Oil Deposit Semiannually to Pay Off Their Debt?
  • needOfHelpCMath
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3
Solve Trigonometric Inequality 5x≤8sinx−sin2x≤6x
  • lfdahl
  • · Replies 2 ·
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2
Series representation for this integral
  • ConfusedCat
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1
6d After how many days is the percent of the population infected a maximum
  • karush
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2
High School Is the integral of x^x from 0 to a transcendental?
  • Saracen Rue
  • · Replies 5 ·
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5
Graduate Gamma function convergence of an integral
  • LagrangeEuler
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2
If $x^{3/2}+y^{3/2}=r^{3/2}$, then $u=r$ and $v=r-x$.
  • mathmari
  • · Replies 9 ·
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9
How Can I Calculate a Double Integral Using a Change of Variable?
  • mathmari
  • · Replies 5 ·
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5
Calculating integral using polar coordinates
  • mathmari
  • · Replies 5 ·
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5
15.6.19 Find the mass and centroid
  • karush
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4
Undergrad Surface Area of Volume of Revolution
  • cphill29
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5
232.15.6.31Find the center of mass
  • karush
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4
Undergrad Asymptotic expansion integral initial step
  • spacetimedude
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1
2214.16 Related Rates With Draining Cone
  • karush
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3
E.12.4 - Find plane through given point and normal to given vector
  • karush
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2
Undergrad Should Divergent Integrals Justify Ignoring Derivatives?
  • Tio Barnabe
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4
Undergrad How to Combine Vector Directions for Animated Surfaces in OpenGL?
  • ADDA
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6
243.12.5.26 Show That The Line And The Plane Are Not Parallel.
  • karush
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1
Find The Sum ∑(1/[3^n+√(3^(2017)]
  • lfdahl
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2