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Linear algebra : Doing a proof with a square matrix
- Physicaa
- · Replies 22 ·
Abstract algebra Polynomials and Prime
- RJLiberator
- · Replies 3 ·
Triple integral over sphere with integrand 1/√(x²+y²+(z-A)²)
- Gianmarco
- · Replies 2 ·
How Do You Integrate tan²x sec^4x dx?
- hotjohn
- · Replies 2 ·
How to Avoid Recurrence of h(x,t) on Both Sides of Equation 7 in ODE Analysis?
- Atr cheema
- · Replies 1 ·
Counter-Example to Showing T' Is Finer than T
- micronemesis
- · Replies 15 ·
Can V and x be Separated in this Differential Equation?
- hotjohn
- · Replies 13 ·
Finding the total distance traveled by the body at interval
- GustX
- · Replies 5 ·
How Does Cauchy's Theorem Support Complex Integral Formulas?
- Incand
- · Replies 5 ·
Variance of boxes with fewer than 2 defective microprocessors
- CryptoMath
- · Replies 9 ·
Finding general solution to dy/dx = (x+y)/(x-y)
- hotjohn
- · Replies 3 ·
How to Solve a Non-Separable Differential Equation?
- hotjohn
- · Replies 4 ·
Math Probability: Need to find the Variance
- CryptoMath
- · Replies 7 ·
Find the derivative of the function(Quotient rule)
- GustX
- · Replies 6 ·
How do you decide what is dy/dt, or dx/dt
- AllanW
- · Replies 5 ·
Hyperplanes of ##M_n(\mathbb{C})##
- geoffrey159
- · Replies 14 ·
Understanding Matrices Sums and Products
- cosmos42
- · Replies 3 ·
Calculating Variance of Y using Poisson and Binomial Distributions
- CryptoMath
- · Replies 2 ·
Cosh x / sinhx in the form of e^x
- goldfish9776
- · Replies 5 ·
(Differential Equations) Determining Linearity of a Function
- electronicaneer
- · Replies 2 ·
Integral Domain, r^2 = r proof that r = 0 or 1
- RJLiberator
- · Replies 5 ·
Calculating Covariant Riemann Tensor with Diag Metric gab
- CharlotteW
- · Replies 5 ·
Simple Abstract Algebra Proof: T(0_r) = 0_s
- RJLiberator
- · Replies 16 ·
Finding coefficients for reducibility (Abstract Algebra)
- RJLiberator
- · Replies 6 ·
Horizontal Tangents in the Graph of y = 3x + 6sinx
- GustX
- · Replies 10 ·
Linear algebra: Find the matrix of linear transformation
- gruba
- · Replies 16 ·
A difficult series expansion (finding a limit)
- TheSodesa
- · Replies 4 ·
Proving a theorem in line integrals
- anhtu2907
- · Replies 2 ·
Why does f(t-1) not equal zero in the second shift theorem?
- goldfish9776
- · Replies 1 ·
How Many Ways Can a Positive Integer Be Represented as a Sum of Two Squares?
- Ryan888
- · Replies 3 ·
How to solve a triple integral problem using cylindrical coordinates?
- Gianmarco
- · Replies 13 ·
Gradient of dot product using suffix notation
- spacetimedude
- · Replies 4 ·
DiffEq, Binomial Expansion and limits
- QuietMind
- · Replies 5 ·
Solve the given clairaut equation
- Marcin H
- · Replies 2 ·
How Do You Calculate the Probability of Specific Chip Combinations from a Batch?
- Les talons
- · Replies 6 ·
System of ODEs in a rotating coord. system
- kostoglotov
- · Replies 1 ·
Showing a limit exists using differentiability
- B3NR4Y
- · Replies 3 ·
The Limit of a Matrix Sequence as n Approaches Infinity
- geoffrey159
- · Replies 6 ·
If lim f(x)/x = 1 as x→0, what is lim f(x) as x→0?
- Lucy788
- · Replies 2 ·
Prove 1-norm is => 2-norm for vectors
- charlies1902
- · Replies 5 ·
Proof involving group of permutations of {1,2,3,4}.
- pondzo
- · Replies 4 ·
Factoring ∫(x²+2x)cos(x)dx to match the textbook form
- dlacombe13
- · Replies 3 ·
Prove ||UA||₂ = ||AU||₂ for unitary matrix U
- pyroknife
- · Replies 12 ·
Simple Surface Integral - Heat Flow on Surface of Star
- wadawalnut
- · Replies 3 ·
Solving v(x) = 47.8(0.451/x)^5.39 for v when x=0.02
- Adam_9333
- · Replies 4 ·
Conservative vector field problem
- Gianmarco
- · Replies 2 ·
How Do You Integrate (u^4 + 1) / (u^5 + 3u)?
- scottshannon
- · Replies 6 ·
Prove that det(A*) = [det(A)]*
- jack476
- · Replies 2 ·
Linear algebra: Prove that the set is a subspace
- gruba
- · Replies 8 ·
Expected value and variance of multivariate exponential distr.
- the_dane
- · Replies 3 ·
Curvilinear integral along a line segment
- Gianmarco
- · Replies 6 ·
Multivar; Path length, and average y-value over it
- CookieSalesman
- · Replies 2 ·
Permutations of (abc)(efg)(h) in S7
- cragar
- · Replies 7 ·
Fluid dynamics, solving ODE to find particle path
- sa1988
- · Replies 6 ·
Calculating Standard Deviation for a Probability Density Function?
- Schwarzschild90
- · Replies 17 ·
Multiplying two binomial expansions together
- Meezus
- · Replies 16 ·
Understanding Traffic Flow Equations: Integrals and Partial Derivatives
- cmkluza
- · Replies 2 ·
Problem with vectors and matrices.
- Dewgale
- · Replies 4 ·
Interpreting the Constant c in a Savings Account Differential Equation
- David Donald
- · Replies 5 ·
Using Partial Derivatives to estimate error
- Nikstykal
- · Replies 5 ·
Spivak Calculus 4th ed (Ch1 problem 7)
- MidgetDwarf
- · Replies 7 ·
DiffEQ, Snowing Rates, Distance Traveled
- QuietMind
- · Replies 3 ·
Vector calculus index notation
- Physgeek64
- · Replies 11 ·
Finite dimensional normed vector spaces complete ?
- geoffrey159
- · Replies 5 ·
Prove that ordinal arithmetic is associative
- cragar
- · Replies 1 ·
Find relationship between mass and a pseudo-variable
- June_cosmo
- · Replies 1 ·
Probability - Tree Diagram problem
- masterchiefo
- · Replies 3 ·
Multiplicative Inverse of Polynomials with Integer Coeff.
- RJLiberator
- · Replies 12 ·
Why does the Laplace transform substitute u=t in the integral?
- hotjohn
- · Replies 4 ·
Showing a Distribution is Gaussian
- NATURE.M
- · Replies 2 ·
Why do level sets of (x-y)/(1+x²+y²) give complex radii?
- parkerfisss
- · Replies 2 ·
Indefinite Trignometric Integral
- in the rye
- · Replies 4 ·
Show that 1+r has a multiplicative inverse when r²=0
- RJLiberator
- · Replies 9 ·
Abstract Algebra: Ring Proof (Multiplicative Inverse)
- RJLiberator
- · Replies 1 ·
Finding MLE of θ with bounded support constraint
- dspampi
- · Replies 2 ·
Fourier cosine series on interval [0,4]
- RJLiberator
- · Replies 11 ·
Integrating sin(2sinh(3x))
- anthonybommarito1
- · Replies 1 ·
Understanding Why We Need Absolute Value for x
- goldfish9776
- · Replies 16 ·
Piecewise initial condition heat equation
- raditzan
- · Replies 2 ·
Proving countable ordinal embeds in R
- cragar
- · Replies 4 ·
Fourier Series and deriving formulas for sums of numerical
- RJLiberator
- · Replies 2 ·
Second Shift Theorem: Integral Explanation
- goldfish9776
- · Replies 8 ·
Using the mean value theorem to prove the chain rule
- B3NR4Y
- · Replies 1 ·
Finding constants a and b for a limit with absolute values at x = −1
- hehehe
- · Replies 11 ·
Possible Topics for Math Presentation/Project
- RubinLicht
- · Replies 1 ·
Help with product rule problems
- OmniNewton
- · Replies 23 ·
Dynamic Damping in a simple spring system
- kostoglotov
- · Replies 6 ·
Arclength of x = ⅓(y²+2)^(3/2) from y=0 to y=1
- Ryaners
- · Replies 3 ·
Definition of Image of a linear transformation
- says
- · Replies 2 ·
Finding the antiderivative of a function with x^4
- OmniNewton
- · Replies 8 ·
Proof involving partitions and equivalence class
- Korisnik
- · Replies 2 ·
Solve dy/dt = 1 + y² with y(π/4) = -1
- Dusty912
- · Replies 10 ·
Drag equation and d(kinetic energy)/d(displacement)
- Tiiba
- · Replies 2 ·
What is the interval for the particular solution?
- faradayscat
- · Replies 5 ·
How can a matrix with no zero eigenvalues be used to combine solutions to PDEs?
- Panphobia
- · Replies 8 ·
Showing the sum of this telescoping series
- Euler2718
- · Replies 3 ·
Finding the limit of (1/n²)∑ke^(k/n) as n→∞
- Steve Turchin
- · Replies 5 ·
Given Epsilon > 0, come up with a delta? Limit problem.
- INTP_ty
- · Replies 1 ·
Is this 3×3 matrix diagonalizable over the reals?
- says
- · Replies 14 ·
Solving a differential to show the homogeneity of space.
- stephen cripps
- · Replies 3 ·