Calculus and Beyond Homework Help Forum

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.

Threads

Need help with this vector problem -- Thank you

  • uchuu-man chi
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3

Can anyone explain this integration for me?

  • Rijad Hadzic
  • · Replies 1 ·
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1

Complex Numbers and Euler's Identity

  • mkematt96
  • · Replies 7 ·
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7

SIS epidemics transition matrix

  • Mark53
  • · Replies 10 ·
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10

How to calculate all the possible combinations....?

  • Richard_Steele
  • · Replies 17 ·
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17

Finding Magnitude of complex number expression

  • mkematt96
  • · Replies 2 ·
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2

Maximum area for inscribed cylinder

  • Elias Waranoi
  • · Replies 4 ·
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4

Proof regarding linear functionals

  • Adgorn
  • · Replies 8 ·
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8

Basic Theory of Field Extensions - Exercise from D&F ....

  • Math Amateur
  • · Replies 6 ·
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6

Maximal flow problem: ford-fulkerson algorithm

  • binbagsss
  • · Replies 6 ·
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6

Maximization problem with simplex method

  • s3a
  • · Replies 4 ·
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4

Probability , expectation, variance, cross-term vani

  • binbagsss
  • · Replies 1 ·
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1

If A is nxn nilpotent matrix, this char(A) = x^n

  • Mr Davis 97
  • · Replies 2 ·
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2

Divergence theorem with inequality

  • kelvin56484984
  • · Replies 4 ·
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4

Complex numbers on the unit circle

  • mr.tea
  • · Replies 16 ·
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16

Torricelli's Law With Water Drawn In

  • Yohanna
  • · Replies 8 ·
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8

Value of alternating sum at infinity

  • timetraveller123
  • · Replies 15 ·
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15

How Do You Choose the Correct Polar Coordinates for Surface Integrals?

  • Mr Davis 97
  • · Replies 3 ·
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3

Slope of a curve and at a point

  • yecko
  • · Replies 14 ·
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14

Path-Connected Sets and Their Closures: A Counterexample?

  • Bashyboy
  • · Replies 1 ·
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1

Normalizing Hermite Polynomials

  • rmiller70015
  • · Replies 2 ·
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2

Curl of a gradient and the anti Curl

  • LaplacianHarmonic
  • · Replies 6 ·
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6

Small sample test for the difference between two means

  • Poke
  • · Replies 1 ·
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1

Large sample test for population mean

  • Poke
  • · Replies 1 ·
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1

Alternating Series Estimation Theorem

  • jlmccart03
  • · Replies 2 ·
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2

Simple open set topology question

  • SYoungblood
  • · Replies 5 ·
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5
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4

[Complex plane] arg[(z-1)/(z+1)] = pi/3

  • tusher
  • · Replies 5 ·
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5

Find and classify the isolated singularity

  • fishturtle1
  • · Replies 8 ·
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8

Computing the order in a polynomial quotient ring

  • Mr Davis 97
  • · Replies 9 ·
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9
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5

Approximation of a hyperbolic function

  • Taylor_1989
  • · Replies 4 ·
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4

Showing that a set is an ideal

  • Mr Davis 97
  • · Replies 7 ·
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7

Every infinite cyclic group has non-trivial proper subgroups

  • Mr Davis 97
  • · Replies 3 ·
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3

Show the image of an ideal is an ideal of the image

  • Mr Davis 97
  • · Replies 1 ·
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1

Theorem of Finitely Generated Abelian Groups

  • Mr Davis 97
  • · Replies 3 ·
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3

Prove One but not both of these systems is consistent.

  • Kevin_H
  • · Replies 1 ·
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1

Why must this expression for the curl be wrong?

  • scotty_le_b
  • · Replies 3 ·
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3

Finding the Range of an Integrated Function with Given Constraints

  • WubbaLubba Dubdub
  • · Replies 4 ·
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4

Eisenstein Criterion: Irreducibility Test

  • Mr Davis 97
  • · Replies 1 ·
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1

What Is the Correct Derivative of Log(cosh(x-1))?

  • Ryansf98
  • · Replies 6 ·
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6

Linear, non linear and homeogenous and non homeogenous

  • Taylor_1989
  • · Replies 1 ·
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1

Inverse Laplace transform for an irreducible quadratic?

  • Vitani11
  • · Replies 2 ·
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2

Need help finding the volume enclosed

  • Another
  • · Replies 1 ·
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1

Every ring with unity has at least two units

  • Mr Davis 97
  • · Replies 3 ·
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3

Show that the map is continuous

  • Interior
  • · Replies 5 ·
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5

Probability Density Function problem

  • Saracen Rue
  • · Replies 4 ·
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4

Finding the order of a quotient field

  • Mr Davis 97
  • · Replies 3 ·
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3

Help me find the arc length of a parametric equation....

  • Rijad Hadzic
  • · Replies 6 ·
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6

Finding the subfields of a field

  • Mr Davis 97
  • · Replies 9 ·
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9

Calculating the Cross Product Vector: Is It Possible to Find VxW?

  • Christie
  • · Replies 2 ·
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2

Showing that an element is not in a field extension

  • Mr Davis 97
  • · Replies 5 ·
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5

Uniform Continuity of f(x) = 1/(|x|+1) on R: Epsilon-Delta Proof

  • PsychonautQQ
  • · Replies 1 ·
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1

Area between 2 curves, Volume around X and Y, Centroid

  • DanRow93
  • · Replies 1 ·
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1

Finding a function y(x) given three parameters

  • DeltaT37
  • · Replies 3 ·
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3

Factorize Problem Homework: x^3 - 2x^2 -15x +36

  • cathal84
  • · Replies 4 ·
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4

Applying Convolution to a PDE with a Fourier Transform

  • member 428835
  • · Replies 12 ·
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12

Area between two graphs as a sum

  • Karol
  • · Replies 6 ·
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6

Integration with hyperbolic secant

  • spaghetti3451
  • · Replies 1 ·
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1

Chi-square goodness of fit cannot find expected values

  • Rifscape
  • · Replies 2 ·
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2

Prove: f_n Convergence Implies f(x)=c

  • PsychonautQQ
  • · Replies 7 ·
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7

Integral of unit impulse function?

  • Abdulwahab Hajar
  • · Replies 2 ·
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2

Integral form of Particular solution question

  • rohanlol7
  • · Replies 2 ·
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2

Prove True/False that n^3-n is Always Divisible By 6

  • CheesyPeeps
  • · Replies 4 ·
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4

How can checking your answer prevent losing marks on an exam question?

  • CheesyPeeps
  • · Replies 5 ·
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5

Is the Expression Valid in Demonstrating a Poincare Algebra Commutator?

  • binbagsss
  • · Replies 1 ·
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1

Integral of absolute value of a Fourier transform

  • Mik256
  • · Replies 4 ·
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4

Why 1/2 is Coefficient in CK Sum for Integrals

  • Karol
  • · Replies 6 ·
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6

Improper Integral Using Complex Analysis

  • transmini
  • · Replies 14 ·
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14

Another Improper Integral Using Complex Analysis

  • transmini
  • · Replies 7 ·
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7

Kinetic energy density in a string (derivative)

  • boomdoom
  • · Replies 3 ·
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3

Determine a function and derivative from a given graph

  • ElectricRay
  • · Replies 8 ·
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8

When do quadratic polynomials generate the same ideal?

  • Mr Davis 97
  • · Replies 1 ·
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1

Convergence in distribution example

  • AlexF
  • · Replies 2 ·
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2

Finding whether a filter is low/high/band pass

  • t.kirschner99
  • · Replies 1 ·
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1

Prove that rank(A) = rank(A^T)

  • hotvette
  • · Replies 2 ·
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2

Raising e to a Non-Diagonal Matrix | Calculating eiaB Components

  • Vitani11
  • · Replies 10 ·
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10

Master Power Series Convergence with Expert Help - Examples Included

  • PhysicsCollegeGirl
  • · Replies 2 ·
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2

Show whether two quotient rings are isomorphic

  • Mr Davis 97
  • · Replies 9 ·
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9

How many maximal ideals of Z_3[x]

  • Mr Davis 97
  • · Replies 7 ·
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7

If F is algebraically closed, show Alg ext is closed too

  • Mr Davis 97
  • · Replies 1 ·
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1

Residue Theorem: Finding the Integral of z^3e^(-1/z^2) over |z|=5

  • cragar
  • · Replies 6 ·
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6

Finding Coefficient of Determination

  • Tchao
  • · Replies 1 ·
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1
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1

Modeling epidemics - solving differential equation

  • Schaus
  • · Replies 16 ·
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16

What is the residue of f(z) = e^(-2/z^2) using a laurent series?

  • cragar
  • · Replies 2 ·
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2

Finding a power series solution to a differential equation?

  • Eclair_de_XII
  • · Replies 1 ·
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1

Nondimensionalization of diffusion equation

  • DzoptiC
  • · Replies 2 ·
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2

Integral of a area under a straight line as summation

  • Karol
  • · Replies 5 ·
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5

Black Scholes heat equation form) Crank Nicolson

  • tomatoyeungHK
  • · Replies 5 ·
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5

Finding the Equations of Motion for a Mass-Spring System

  • lz975545
  • · Replies 1 ·
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1

Pole of a function, as a geometric series

  • cragar
  • · Replies 1 ·
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1

Bijective function between an ordered pair and a scalar?

  • Eclair_de_XII
  • · Replies 15 ·
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15

Laplace transform of derivative of convolution

  • Gallo
  • · Replies 2 ·
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2

Probability observed value not in range for prediction

  • Math33
  • · Replies 2 ·
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2

Complex scalar field -- Quantum Field Theory -- Ladder operators

  • binbagsss
  • · Replies 4 ·
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4

Light between 2 towers reflecting off a lake

  • ArmChairPhysicist
  • · Replies 57 ·
2
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57

Modular Forms, Dimension, Valence Formula

  • binbagsss
  • · Replies 5 ·
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5

Graph theory, rank and other characteristics

  • prehisto
  • · Replies 3 ·
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3

What Steps Are Needed to Determine Coefficients in a Taylor Polynomial?

  • jlmccart03
  • · Replies 3 ·
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3