Calculus and Beyond Homework Help Forum

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Free calculus and beyond homework help via qualified mentors. Math courses from calculus on-wards homework. Please use the template when requesting help and show your work.
3x3 matrix inverse unit vector
  • Physics-101
  • · Replies 12 ·
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12
Laplace in Spherical and Cylindrical Coordinates
  • SarahAlbert
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1
Quickie: vector normal to surface
  • ilyas.h
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6
Band-limited function, Shannon-Nyquist sampling distance
  • Incand
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2
Principle Ideals of a Polynomial Quotient Ring
  • DeldotB
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1
How to Solve Limit Problems Involving Trigonometric Functions and Square Roots?
  • NooDota
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5
How Do I Solve for Mass Using the Proportional Relationship in Astronomy?
  • Calpalned
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5
The Joint PDF of Two Uniform Distributions
  • tamuag
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2
What is the implication of this algebraic problem?
  • nuuskur
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1
Is this line perpendicular to the plane?
  • masterchiefo
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3
Simple Inner Product Clarification
  • RJLiberator
  • · Replies 6 ·
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6
Poisson equation in R with a source at the origin
  • S. Moger
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8
Variation of parameters (1st order)
  • j3dwards
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1
Write an Equation given a solution to an ODE
  • member 428835
  • · Replies 3 ·
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3
Determining subspaces for all functions in a Vector space
  • Andrew Pierce
  • · Replies 6 ·
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6
Proof check: find adirect product representation for Q8 grou
  • davidbenari
  • · Replies 1 ·
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1
Physical applications of complex numbers
  • Calpalned
  • · Replies 5 ·
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5
Why this maximization approach fails?
  • friendbobbiny
  • · Replies 3 ·
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3
Differential equation for grav, boyant and drag force
  • Agustin
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1
Polar vector to rectangular equation
  • x14ace
  • · Replies 2 ·
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2
Evaluating the Work Integral Between Two Points
  • Charge2
  • · Replies 6 ·
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6
Find the antiderivative of the following vector:
  • brinstar
  • · Replies 8 ·
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8
Complex numbers and polynomial
  • davon806
  • · Replies 4 ·
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4
Finding the Number of Terms Needed to Approximate an Infinite Sum within 1/100
  • member 508213
  • · Replies 10 ·
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10
Calculate indefinite integral using Fourier transform
  • Incand
  • · Replies 5 ·
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5
Linearising Cosine: Taking Roots of Equation
  • Agrajag
  • · Replies 3 ·
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3
Construct a second order ODE given the solutions?
  • wadawalnut
  • · Replies 11 ·
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11
A question about complex numbers
  • Calpalned
  • · Replies 9 ·
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9
Why aren't the derivatives equal?
  • Calpalned
  • · Replies 6 ·
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6
Difference equation and diagonal block matrix
  • pondzo
  • · Replies 6 ·
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6
Does This Sequence Converge Given the Conditions?
  • Matt B.
  • · Replies 7 ·
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7
Show that if ##f:A\rightarrow B## is surjective then....
  • Potatochip911
  • · Replies 24 ·
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24
Time Series - Autoregressive process and Probability Limit
  • frenchkiki
  • · Replies 7 ·
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7
Why is Fourier Transform of a Real Function Complex?
  • LunaFly
  • · Replies 5 ·
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5
Mastering Limits with L'Hopital's Rule and Factoring Tricks | Homework Help
  • Loststudent22
  • · Replies 3 ·
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3
How can I simplify error estimates for a given equation?
  • MelissaHerr
  • · Replies 4 ·
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4
Nonlinear Programming and Consumer Preferences
  • squenshl
  • · Replies 4 ·
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4
Understanding the Use of the Delta Function in Probability Density Functions
  • Mathsey
  • · Replies 4 ·
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4
Differential equation---a conceptual problem
  • davon806
  • · Replies 8 ·
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8
Turtle crawling on elastic cable
  • SataSata
  • · Replies 1 ·
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1
Inverse trigonometric function integration
  • ande
  • · Replies 4 ·
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4
Critical Points of a Function: Finding the Points of Inflection
  • Niaboc67
  • · Replies 7 ·
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7
If we neglect air resistance, then the range of a ball
  • Niaboc67
  • · Replies 1 ·
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1
Differential equation question (I think)
  • whatisreality
  • · Replies 16 ·
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16
Equation of a line that lies on a z=f(x,y) function
  • masterchiefo
  • · Replies 5 ·
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5
Integrating a square root function
  • ande
  • · Replies 3 ·
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3
Solve the following differential equation (by regrouping terms)
  • danny12345
  • · Replies 8 ·
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8
Finding expansion coefficients of a generic vector?
  • RJLiberator
  • · Replies 10 ·
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10
Cauchy-Schwartz Inequality Proof
  • RJLiberator
  • · Replies 11 ·
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11
Change of Variable With Legendre Equation
  • Bassa
  • · Replies 11 ·
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11
Linear Combination Proof of Orthonormal basis
  • RJLiberator
  • · Replies 11 ·
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11
Solving Shell Motion with Initial Velocity of 60 m/s
  • Physics2341313
  • · Replies 2 ·
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2
Legrendre integral using Rodriquez' formula
  • ognik
  • · Replies 2 ·
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2
Orthogonality and Orthonormality: Take 2
  • RJLiberator
  • · Replies 4 ·
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4
Element of a vector group (subset?)
  • Mewniew
  • · Replies 8 ·
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8
Normalizing a vector / Orthonormal?
  • RJLiberator
  • · Replies 22 ·
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22
Lim (cos x )^(1/x ) when x = 0
  • goldfish9776
  • · Replies 2 ·
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2
Volume integral in cylindrical coordinates
  • whatisreality
  • · Replies 9 ·
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9
Mean and variance of a probability density
  • toothpaste666
  • · Replies 3 ·
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3
Finding Stationary Points of a Function
  • goldfish9776
  • · Replies 2 ·
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2
Continuous probability problem
  • toothpaste666
  • · Replies 2 ·
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2
Evaluate ##lim_{(x,y)\to(0,0)\frac{xy}{y-x^3}}##
  • duarthiago
  • · Replies 3 ·
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3
Integrating a polynomial with a square root
  • ande
  • · Replies 3 ·
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3
Differential Linear Operator Problem not making sense
  • wadawalnut
  • · Replies 3 ·
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3
How to start this Vector Space Property Proof?
  • RJLiberator
  • · Replies 9 ·
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9
Check my proof for quality (Inner Product Space / Subspaces)
  • RJLiberator
  • · Replies 2 ·
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2
Simple proof of Complex Inner Product Space
  • RJLiberator
  • · Replies 1 ·
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1
Group Theory: Is the following a valid Group?
  • sa1988
  • · Replies 7 ·
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7
Integration via Trigonometric Substitution
  • Cpt Qwark
  • · Replies 11 ·
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11
Sets & Hyperplanes Homework: Convexity, Separability & More
  • squenshl
  • · Replies 6 ·
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6
Support Function for Set of Points in $\mathbb{R}^2$
  • squenshl
  • · Replies 2 ·
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2
How to prove b^2 > 24c for a cubic with 1 max/1 min
  • teetar
  • · Replies 8 ·
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8
Can You Solve This Non-linear First Order PDE with Cauchy Data?
  • supermiedos
  • · Replies 2 ·
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2
Find a normal vector to a unit sphere using cartesian coordinates
  • Frozen Light
  • · Replies 4 ·
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4
Evaluate ##\lim_{x\to 0} \frac{2^x-1-x\log_e2}{x^2}##
  • Umrao
  • · Replies 17 ·
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17
Expand function as series of eigenfunctions
  • Incand
  • · Replies 4 ·
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4
Is span a subset in ##\mathbb{R}^{n}##?
  • yango_17
  • · Replies 6 ·
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6
Find an equation for the tangent plane to a surface (using gradient)
  • FaraDazed
  • · Replies 3 ·
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3
Prove:if 1/a+1/b+1/c=1 and a,b,c >0 then (a-1)(b-1)(c-1)>=8
  • Danijel
  • · Replies 5 ·
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5
Prove f(x) = sin(x^2) isn't periodic
  • Korisnik
  • · Replies 12 ·
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12
Show a group is a semi direct product
  • DeldotB
  • · Replies 1 ·
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1
Checking if sets are subspaces of ##\mathbb{R}^{3}##
  • yango_17
  • · Replies 3 ·
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3
Is there an error in my textbook?
  • Maddie1609
  • · Replies 7 ·
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7
Restriction with Multiple Quantifiers
  • Joseph1739
  • · Replies 2 ·
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2
Applications of Partial Derivatives
  • FuturEngineer
  • · Replies 2 ·
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2
Largest set on which the function is analytic
  • Jon.G
  • · Replies 2 ·
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2
Vector divide with negative ratio?
  • terryds
  • · Replies 2 ·
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2
Integral of (x+y)dx+x^2dy over semicircle (y>=0) using Green's Theorem
  • BigFlorida
  • · Replies 7 ·
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7
Solve Initial Value Problem and Determining Interval
  • Sylvia
  • · Replies 1 ·
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1
How Do You Calculate the Uncertainty in the Derivative of y = a / (x - b)^3?
  • Xizel
  • · Replies 3 ·
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3
Proving Y ~ Gamma(α, scale = kβ) from X ~ Gamma(α, scale = β)
  • Shackleford
  • · Replies 4 ·
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4
Probability over time interval?
  • Destroxia
  • · Replies 4 ·
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4
Higher Order Linear Homogenous Differential Equation
  • Mark Rice
  • · Replies 5 ·
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5
Prove: The Additive Inverse of any vector is unique
  • RJLiberator
  • · Replies 7 ·
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7
How to find the radius in each of these integrals?
  • Celestor
  • · Replies 1 ·
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1
Simple Complex Vector Space Proof Clarification
  • RJLiberator
  • · Replies 2 ·
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2
Prove that ∃ a∈]0,2[ such that f(a)=a^2
  • lep11
  • · Replies 12 ·
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12
Integration in Frequency Domain
  • yukari1310
  • · Replies 5 ·
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5
Solving simultaneous congruences
  • Quadrat
  • · Replies 6 ·
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6
Translating statements (discrete math)
  • Joseph1739
  • · Replies 1 ·
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1