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How Do You Solve a Differential Equation Using an Ansatz?
- Hamiltonian
- · Replies 5 ·
Verify property of inner product
- psie
- · Replies 21 ·
Integration of functions of form ##\dfrac{1}{ax+b}##
- chwala
- · Replies 10 ·
Probability density function of Z=X+Y and Z=XY
- docnet
- · Replies 19 ·
Limit of probabilities of a large sample
- MAXIM LI
- · Replies 1 ·
Minimize integral using orthogonal basis
- psie
- · Replies 2 ·
How Does Integration by Factors Relate to the Product Rule and FTC?
- Delta2
- · Replies 30 ·
Prove 9 is eigenvalue of ##T^2\iff## 3 or -3 eigenvalue of ##T##.
- zenterix
- · Replies 5 ·
Do these two statements imply an underlying induction proof?
- zenterix
- · Replies 7 ·
Dirac delta function approximation
- Lambda96
- · Replies 13 ·
Why can one do this "trick" in the First Order Linear D.E. method?
- Ebby
- · Replies 19 ·
Operator T, ##T^2=I##, -1 not an eigenvalue of T, prove ##T=I##.
- zenterix
- · Replies 2 ·
Show logical notation for being prime
- Painguy
- · Replies 1 ·
Finding a periodic solution to ODE
- psie
- · Replies 16 ·
Plotting the approximation of the Dirac delta function
- Lambda96
- · Replies 3 ·
Electromagnetism: Force on a parabolic wire in uniform magnetic field
- Aurelius120
- · Replies 20 ·
On pointwise convergence of Fourier series
- psie
- · Replies 3 ·
Parametric curve question (determining unknown point)
- cherry
- · Replies 2 ·
Calculate the limit cos(x)/sin(x) when x approaches 0
- Lambda96
- · Replies 12 ·
Finding the power loss in a wire of varying cross-sectional area
- Glenn G
- · Replies 8 ·
Solve an ODE using Fourier series
- psie
- · Replies 2 ·
How to Approach Solving a Nonlinear Second Order ODE with a Quadratic Term?
- Safinaz
- · Replies 4 ·
How should I show that ## B ## is given by the solution of this?
- Math100
- · Replies 2 ·
Fourier series of translated function
- psie
- · Replies 1 ·
How should I calculate the stationary value of ## S[y] ##?
- Math100
- · Replies 2 ·
Variation of parameter VS Undetermined Coefficients
- Davidian
- · Replies 7 ·
Evaluate limit of this integral using positive summability kernels
- psie
- · Replies 2 ·
Why divide head by 2 in pump efficiency for single-basin setup
- renobueno
- · Replies 14 ·
Why is the integral over an infinitesimal interval exactly equal to F evaluated at x₁?
- gionole
- · Replies 9 ·
How should I use the Jacobi equation to show this?
- Math100
- · Replies 4 ·
How Can I Solve This Differential Equation for x(y)?
- gionole
- · Replies 7 ·
Why Does Taylor's Theorem Use +O(ε) Instead of -O(ε)?
- gionole
- · Replies 3 ·
How should I use the Jacobi equation to determine the nature of this?
- Math100
- · Replies 5 ·
Solving Klein Gordon’s equation
- Safinaz
- · Replies 1 ·
How to determine the integration constants in solving the Klein Gordon equation?
- Safinaz
- · Replies 7 ·
Probability of hitting Homeruns at the Country Club
- mathmajor23
- · Replies 3 ·
Solving system of differential equations using elimination method
- berlinvic
- · Replies 10 ·
Electromagnetism question: Current flowing between concentric spheres
- ka_reem13
- · Replies 3 ·
Orthogonality of 2 complex exponentials
- Nana113
- · Replies 11 ·
Prove orthogonality of these curves
- berlinvic
- · Replies 7 ·
How does Rotating an Ellipse change its equation?
- resurgance2001
- · Replies 13 ·
Find the area of a segment of a circle using integration
- nafisanazlee
- · Replies 8 ·
Show that the limit (1+z/n)^n=e^z holds
- Lambda96
- · Replies 6 ·
Need a real life example where a partial derivative is used in motion
- nrsakinh
- · Replies 3 ·
Partial Derivative Simplification
- BlackMelon
- · Replies 3 ·
Obtain a nonzero solution of ##y''-4y'+x^2(y'-4y)=0## by inspection
- zenterix
- · Replies 7 ·
Avoid unpleasant integrals in solving IVP
- psie
- · Replies 3 ·
Prove ##a\cdot b = b \cdot a ##using Peano postulates
- issacnewton
- · Replies 3 ·
Checking series for convergence
- Lambda96
- · Replies 5 ·
Prove ##(a\cdot b)\cdot c =a\cdot (b \cdot c)## using Peano postulates
- issacnewton
- · Replies 1 ·
Find the volume of the solid bound by the three coordinate planes
- chwala
- · Replies 2 ·
Using Stokes' theorem to get surface integral in form with cross product
- BloonAinte
- · Replies 26 ·
Solve the problem involving the given double integral
- chwala
- · Replies 1 ·
Linear homogenous system with repeated eigenvalues
- psie
- · Replies 2 ·
Find the local maxima and minima for##f(x,y) = x^3-xy-x+xy^3-y^4##
- chwala
- · Replies 5 ·
Find the constrained maxima and minima of ##f(x,y,z)=x+y^2+2z##
- chwala
- · Replies 2 ·
Line Integral Solution for Curve γ: Simplifying Substitutions
- Graham87
- · Replies 6 ·
Inner product between velocity and acceleration is zero (parametric)
- Lambda96
- · Replies 6 ·
Find the dimensions that will minimize the surface area of a Rectangle
- chwala
- · Replies 1 ·
Line Integral of circle in counterclockwise direction
- songoku
- · Replies 5 ·
Limit and Integration of ##f_n (x)##
- songoku
- · Replies 8 ·
Proof related to derivative and Big O notation
- songoku
- · Replies 19 ·
Show that ##f(x,y)=u(x+cy)+v(x-cy)## is a solution of the given PDE
- chwala
- · Replies 9 ·
Solution verification of ODE using Frobenius' method
- psie
- · Replies 3 ·
Prove ##(a+b)\cdot c=a\cdot c+b\cdot c## using Peano postulates
- issacnewton
- · Replies 3 ·
Solve this integral involving a fraction with a trig function
- Rhdjfgjgj
- · Replies 11 ·
Proving limits for roots and exponents
- Lambda96
- · Replies 13 ·
Injective Function: Proving Correctness with Singlets ##S## and ##T## in ##X##
- pepos04
- · Replies 9 ·
On weakly singular equations and Frobenius' method
- psie
- · Replies 7 ·
Prove ##a \cdot 1 = a = 1 \cdot a## for ##a \in \mathbb{N}##
- issacnewton
- · Replies 1 ·
How to convert to the number of sand and Nylon particles from mass
- Skw
- · Replies 3 ·
Prove that ## 1^{p}+2^{p}+3^{p}+\dotsb +(p-1)^{p}\equiv 0\pmod {p} ##.
- Math100
- · Replies 6 ·
Prove ##1 + a=s(a)=a+1## for ##a \in \mathbb{N}##
- issacnewton
- · Replies 1 ·
Why Does the Set (0,2) Have No Maximum?
- member 731016
- · Replies 2 ·
Solve ##\int\frac{e^{-x}}{x^2}dx## and ##\int \frac{e^{-x}}{x}dx##
- zenterix
- · Replies 7 ·
Prove every subset of countable set is either finite or else countable
- zenterix
- · Replies 1 ·
Proof that every subset of {1,...,n} is finite using well-ordering
- zenterix
- · Replies 4 ·
On asymptotically stable systems and bounded solutions
- psie
- · Replies 4 ·
Complex contour integral proof
- GGGGc
- · Replies 1 ·
Continue solutions of ODEs around the origin
- psie
- · Replies 2 ·
I'm getting the wrong answer for the Indefinite Integral of: (x^2+2x)/(x+1)^2
- azizlwl
- · Replies 3 ·
What is the formula for the norm of a vector cross product?
- Lambda96
- · Replies 5 ·
Put the eigenvalue function in self-adjoint form
- GGGGc
- · Replies 2 ·
Prove if ##x<0## and ##y<z## then ##xy>xz## (Rudin)
- zenterix
- · Replies 2 ·
Finding probability related to Poisson and Exponential Distribution
- songoku
- · Replies 6 ·
Calculating an n X n determinant
- TGV320
- · Replies 5 ·
Writing correct sign of quantities
- Rhdjfgjgj
- · Replies 7 ·
I have troubles finding the limit of this piecewise function
- El foolish Phenomeno
- · Replies 9 ·
Tricky Problem: Prove range T = null ##\phi## when null T' has dim 1
- zenterix
- · Replies 8 ·
Find the volume bounded by hyperboloid and plane z = ± d
- songoku
- · Replies 14 ·
Induction with binomial coefficient
- Lambda96
- · Replies 15 ·
Use of calculus in a launch of a rocket - Relevant Assumptions
- Saba
- · Replies 5 ·
Finding the Fourier cosine series for ##f(x)=x^2##
- chwala
- · Replies 4 ·
Integral involving powers of trig functions
- Memo
- · Replies 7 ·
Prove ##|\{ q\in\mathbb{Q}: q>0 \} |=|\mathbb{N}|##.
- zenterix
- · Replies 3 ·
Find the integral of ∫1/(1+tanx)dx
- Rhdjfgjgj
- · Replies 3 ·
Calculation of moment of inertia of cylindrical surface
- zenterix
- · Replies 4 ·
Trigonometric substitution in integral solution
- Memo
- · Replies 12 ·
Given surjective ##T:V\to W##, find isomorphism ##T|_U## of U onto W.
- zenterix
- · Replies 1 ·
Center of mass of spherical shell inside of cone (Apostol Problem).
- zenterix
- · Replies 3 ·