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Hi! Can someone explain about Differential Equations?
- Sandra Jane
- · Replies 19 ·
Finding the range of k for three real roots of a cubic
- brotherbobby
- · Replies 21 ·
What does "compute Aut(G)" mean?
- Hill
- · Replies 14 ·
Joint distribution of sequential variables
- Gear300
- · Replies 6 ·
J_1(x) = (x^2/10)*(J_1(x) + J_3(x)) How to solve?
- qnach
- · Replies 4 ·
Solve the given second order differential equation
- chwala
- · Replies 18 ·
Problem involving ordinary differential equation
- chwala
- · Replies 2 ·
Deriving spatial derivatives
- slurms
- · Replies 10 ·
Finding the Centre of Mass of a Hemisphere
- akrill
- · Replies 16 ·
Vector calculus: line element dr in cylindrical coordinates
- chiyu
- · Replies 21 ·
Is this the correct general solution of the given PDE?
- Math100
- · Replies 12 ·
Definite integral involving rational function and 𝜋
- ahilan
- · Replies 4 ·
Polar integral
- aronclark1017
- · Replies 8 ·
Distance between a Clock's hands when the distance is increasing most rapidly
- WMDhamnekar
- · Replies 30 ·
Use greedy vertex coloring algorithm to prove the upper bound of χ
- bremenfallturm
- · Replies 1 ·
Prove that l^p is a subset of l^q for all p,q from 1 to infinity
- cbarker1
- · Replies 4 ·
Volume with spherical coordinates
- aronclark1017
- · Replies 13 ·
Is the method of moments estimator for θ unbiased?
- songoku
- · Replies 2 ·
Does this series converge uniformly?
- Lotto
- · Replies 7 ·
Necessary criterion for expressing f(a + b)
- sultan
- · Replies 4 ·
Complex Numbers (Laurent Series)
- jojosg
- · Replies 15 ·
Prove that the integral is equal to ##\pi^2/8##
- Meden Agan
- · Replies 105 ·
Why does the nth root formula give n+1 roots for (-2+2i)^(1/3)?
- Brian_D
- · Replies 22 ·
Mathematical induction proof error with 3^n term
- chwala
- · Replies 7 ·
Limit of piecewise function using epsilon delta
- songoku
- · Replies 31 ·
Conflicting definitions of linear independence
- Brian_D
- · Replies 30 ·
Prove that ##\lim\limits_{x \to \infty} f(x) = 0##
- Meden Agan
- · Replies 3 ·
Independent components of three indexed systems ##T_{ijk}##
- brotherbobby
- · Replies 5 ·
Solving (2xy + cos y + 2y/x - sin x)dx + (x² - y sin y + 1)dy = 0
- chwala
- · Replies 3 ·
Dot diagrams and Jordan canonical forms
- psie
- · Replies 3 ·
Solve the first order linear differential equation
- chwala
- · Replies 26 ·
Inverse Mellin transform of the Gamma function
- Rfael
- · Replies 4 ·
Melin transform of the floor function [x]
- Rfael
- · Replies 3 ·
Formulate this as a linear programming problem
- chwala
- · Replies 5 ·
Expanding Bessel function into power series and integrating term by term
- Rfael
- · Replies 3 ·
New axis of rotation for composite of rotations in Euclidean space
- psie
- · Replies 4 ·
Converting Cartesian to polar coordinates
- shp
- · Replies 3 ·
Obtaining the moment of inertia of a sphere and spherical shell
- hmparticle9
- · Replies 6 ·
Proof that the images of parallel lines under an isometry are parallel
- clone
- · Replies 4 ·
Calculating radius of gyration of plane figure about x-axis
- Evari5te
- · Replies 5 ·
Finding argument of complex number with tan⁻¹
- chwala
- · Replies 10 ·
Confusion about definition of a splitting field
- issam el mariami
- · Replies 1 ·
Find the eigenvectors in the given problem
- chwala
- · Replies 4 ·
Solving the wave equation with piecewise initial conditions
- songoku
- · Replies 11 ·
The volume of a "spherical cap" using triple integrals
- brotherbobby
- · Replies 9 ·
Finding the modulus and argument of ##\dfrac{a}{(b±ci)^n}##
- chwala
- · Replies 17 ·
Area of loop in x-y plane
- littlemathquark
- · Replies 20 ·
Find the argument of the complex numbers
- chwala
- · Replies 18 ·
Solve a problem involving complex numbers
- chwala
- · Replies 30 ·
Find the modulus of ##\dfrac{(2-3i)(3+4i)}{(6+4i)(16-8i)}##
- chwala
- · Replies 8 ·
Chain Rule Confusion (Euler-Lagrange Equation)
- laser1
- · Replies 5 ·
Order the given radical numbers
- littlemathquark
- · Replies 30 ·
Convergence of the series sum of 1/(n(n+1))
- Lotto
- · Replies 6 ·
Mass Moment of Inertia - Thin - Cylinder
- erobz
- · Replies 2 ·
Area of segment cut from a circle
- brotherbobby
- · Replies 2 ·
Maclaurin Series When 0 is in the Denominator?
- Ascendant0
- · Replies 48 ·
Find the result of definite integration
- songoku
- · Replies 6 ·
Find 10 Terms of the Laurent Expansion of 1/z(1-z)^2 in |z|>1
- bluepilotg-2_07
- · Replies 7 ·
Is the concatenated decimal 0.2k3k5k7k... rational for integer k?
- littlemathquark
- · Replies 6 ·
Person i belongs to a clique iff ith diagonal entry of B^3 is positive
- psie
- · Replies 9 ·
Area surface of revolution (rotating this astroid curve around the x-axis)
- SomeBody
- · Replies 2 ·
Is the Copeland-Erdős number normal and what does that mean?
- littlemathquark
- · Replies 10 ·
Maximum value of Coefficient of Fibonacci Polynomial
- Bling Fizikst
- · Replies 3 ·
Trigonometric Polynomial vs Fourier Polynomial
- laser1
- · Replies 25 ·
Finding the rate of change of x in the equation
- tellmesomething
- · Replies 8 ·
Multivariable epsilon-delta proof
- nafisanazlee
- · Replies 4 ·
Is there a typo in this theorem in Apostol or not?
- zenterix
- · Replies 14 ·
Faulted demonstration of orthonormality in my textbook?
- LeFH18
- · Replies 2 ·
How should I find the following period ## T ## of this solution?
- Math100
- · Replies 5 ·
Integration over a set in n-dimensional space
- sphere1
- · Replies 1 ·
Let ##\forall x,y\in\mathbb{Q}^+## and ##f(xf(y))=\dfrac{f(x)}y##
- littlemathquark
- · Replies 11 ·
Find f s. t. ||f||=1 and f(x) < 1 with ||x||=1
- docnet
- · Replies 20 ·
ODE of an electric circuit consisting of EMF source, inductor and capacitor
- songoku
- · Replies 12 ·
For this Partial Derivative -- Why are different results obtained?
- Silvia2023
- · Replies 26 ·
Newton’s law of cooling to find the temperature of dead body
- songoku
- · Replies 10 ·
Solving a linear differential equation with constant coefficients
- Magnetons
- · Replies 9 ·
Logistic Regression and utility function
- tomasrrd
- · Replies 6 ·
Vector multiplication format with sine and cosine components
- Martyn Arthur
- · Replies 7 ·
Surface Area of a Sphere in Spherical Coordinates
- laser1
- · Replies 14 ·
Calculating the relative error of an interpolation polynomial
- bremenfallturm
- · Replies 4 ·
How should I show that solutions can be expressed as a Fourier series?
- Math100
- · Replies 3 ·
##\lim_{x \to0} \left(\dfrac{1}{\sin^2 x}-\dfrac{1}{x^2}\right)##
- littlemathquark
- · Replies 5 ·
##p(\sqrt 3+\sqrt 2)=(\sqrt 3)-1## find minimal ##p(x)## polynomial
- littlemathquark
- · Replies 7 ·
Find the characteristic of the field
- Hill
- · Replies 13 ·
Show that x -> x^p is an automorphism in K
- Hill
- · Replies 14 ·
How should I show that there exists only one solution?
- Math100
- · Replies 11 ·
Trying To Use Squeeze Theorem To Prove Derivatives Are Equal
- toslowtogofast2a
- · Replies 4 ·
Why is ##d/dx## Considered the Direction of Increasing x?
- laser1
- · Replies 23 ·
Odd extension: Show that if [K(a) : K] is odd, then K(a) = K(a^2)
- Hill
- · Replies 7 ·
Eisenstein's criterion proof
- Hill
- · Replies 13 ·
Need to understand the equations in calculus
- Shourya Tripathi
- · Replies 7 ·
Why Does an Extra Factor Appear in My Calculus Chain Rule Proof?
- laser1
- · Replies 7 ·
How should I show that all solutions are periodic?
- Math100
- · Replies 10 ·
Calculate the Fourier transform of the susceptibility of an Oscillator
- Lambda96
- · Replies 1 ·
Double Integral of function in region bounded by two circles
- songoku
- · Replies 19 ·
Interpret Riemann sum to determine integral
- stunner5000pt
- · Replies 2 ·
Stokes' Theorem for a Circle in a Plane
- flyusx
- · Replies 7 ·
An Integral simplification I don't understand
- YouAreAwesome
- · Replies 28 ·