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

Finding the image of a multivariate function

  • docnet
  • · Replies 19 ·
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19

Simple ##\chi^2## Tests for Weighted Averages and Linear Regression

  • schniefen
  • · Replies 1 ·
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1

Is my proof that multiplication is well-defined for reals correct?

  • yucheng
  • · Replies 5 ·
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5

Understanding the Use of Min in Cauchy Sequences

  • yucheng
  • · Replies 1 ·
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1

How Is the Variance Used as Weight in Half-Life Error Analysis?

  • schniefen
  • · Replies 4 ·
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4

Showing two groups are equal/Pontryagin duality

  • fishturtle1
  • · Replies 2 ·
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2

Homomorphism, Kernel and Coset

  • LCSphysicist
  • · Replies 2 ·
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2

Setting the limits of an integral

  • docnet
  • · Replies 3 ·
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3

Energy current for field satisfying KG equation

  • etotheipi
  • · Replies 3 ·
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3

Change of basis to express a matrix relative to a set of basis matrices

  • fatpotato
  • · Replies 4 ·
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4

Solving 1D First Order Equations for 3D Mass Positions and Velocities

  • Blanchdog
  • · Replies 1 ·
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1

Probability distribution for discrete data

  • chwala
  • · Replies 8 ·
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8

Integral proof and then use the proof to solve a 2nd integral

  • Mustard
  • · Replies 10 ·
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10

Find the value of x for which the function is discontinuous

  • Fatima Hasan
  • · Replies 2 ·
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2

What Are the Inflection Points of a Second Derivative Function?

  • greg_rack
  • · Replies 7 ·
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7

Find the Limit of the Heaviside Step Function Added to this Graph

  • Fatima Hasan
  • · Replies 1 ·
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1

Solving for nC8,nC9, and nC10 in an Arithmetic Progression

  • AN630078
  • · Replies 3 ·
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3

Show that this column matrix is not a vector

  • LCSphysicist
  • · Replies 2 ·
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2

How Do Vector Spaces of Linear Maps Differ from Standard Vector Spaces?

  • shinobi20
  • · Replies 9 ·
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9
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3

Is this a valid explanation of why ln() is unbounded near zero?

  • Eclair_de_XII
  • · Replies 8 ·
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8

Find the value of x using the Lambert W function

  • chwala
  • · Replies 18 ·
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18

How to calculate the monthly interest rate?

  • h1a8
  • · Replies 12 ·
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12

Derivative of a Point of Max: Finding a & b Conditions

  • greg_rack
  • · Replies 7 ·
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7

Understanding the Relationship between Weak and Strong Topologies

  • shinobi20
  • · Replies 9 ·
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9

Using Least Squares to find Orthogonal Projection

  • ver_mathstats
  • · Replies 1 ·
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1

Finding Orthogonal Unit Vector to 3 Vectors

  • ver_mathstats
  • · Replies 1 ·
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1

Please explain this calculus solution

  • barryj
  • · Replies 10 ·
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10

Optimizing Resources with Linear Programming: A Step-by-Step Approach

  • ver_mathstats
  • · Replies 2 ·
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2

Solve the simultaneous equations

  • chwala
  • · Replies 11 ·
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11

Calculation of Eddy Current Brake Force with a twist

  • SwatiAnshu
  • · Replies 5 ·
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5

Probability Density of ##x## (Wiener Process)

  • lelouch_v1
  • · Replies 1 ·
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1

Rossby Wave Problem: Deriving General Expressions

  • Zythryn
  • · Replies 5 ·
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5

Studying non-differentiable points of an irrational function

  • greg_rack
  • · Replies 14 ·
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14

Can You Solve This Challenging Functional Equation?

  • LCSphysicist
  • · Replies 36 ·
2
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36

Derivative of 1/x: Solving a Common Calculus Problem

  • gabby989062
  • · Replies 8 ·
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8

Total movement of bacteria assuming a random distribution

  • fatpotato
  • · Replies 5 ·
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5

Is this a curved or flat space?

  • LCSphysicist
  • · Replies 13 ·
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13

Does the Alternating Series Test show convergence for this series?

  • murshid_islam
  • · Replies 14 ·
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14

Proof that the exponential function is convex

  • L Navarro H
  • · Replies 5 ·
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5

Find a function satisfying these conditions: f(x)f(f(x)) = 1 and f(2020) = 2019

  • LCSphysicist
  • · Replies 14 ·
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14

How can I simplify this integral equation with a complex numerator?

  • AntonioDuarte2001
  • · Replies 9 ·
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9

Vector space of functions from finite set to real numbers

  • fatpotato
  • · Replies 17 ·
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17

Is the Cube of matrix associative?

  • TheMercury79
  • · Replies 3 ·
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3

Finding a matrix from a given null space

  • archaic
  • · Replies 15 ·
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15

Estimator Exercise Homework Solution

  • archaic
  • · Replies 11 ·
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11

Transitioning from Stage 2 to Stage 3

  • LCSphysicist
  • · Replies 1 ·
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1

Condition to three vectors being collinear

  • LCSphysicist
  • · Replies 3 ·
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3

Finding the largest ellipse that will fit in a polygon

  • aheight
  • · Replies 4 ·
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4

Not sure about this statement in vector space and matrix

  • LCSphysicist
  • · Replies 1 ·
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1

*solved*Particle moving along a parabola

  • rxh140630
  • · Replies 7 ·
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7

Prove a theorem about a vector space and convex sets

  • LCSphysicist
  • · Replies 1 ·
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1

Linear algebra inner products, self adjoint operator,unitary operation

  • Karl Karlsson
  • · Replies 9 ·
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9

Issue calculating the derivative of a rational function

  • greg_rack
  • · Replies 7 ·
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7

Linear programming and resolution theorem

  • mertcan
  • · Replies 18 ·
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18

Maximize the function with constraints

  • docnet
  • · Replies 12 ·
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12

Problem with a directional derivative calculation

  • Amaelle
  • · Replies 6 ·
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6

Related rates: water level in a cone

  • rxh140630
  • · Replies 19 ·
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19

Problem with a directional derivative calculation

  • Amaelle
  • · Replies 13 ·
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13

Lower Central Series - Understanding the Induction Process

  • fishturtle1
  • · Replies 4 ·
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4

Domain of definition of the function f(x,y)=x^y

  • Amaelle
  • · Replies 2 ·
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2

How to set bounds in cylindrical coordinates analytically?

  • cwill53
  • · Replies 4 ·
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4

Find the cubic equation given the roots

  • chwala
  • · Replies 10 ·
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10

Critical points and partial differentiation

  • dyn
  • · Replies 26 ·
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26

First Order Diffy Q Problem with Bernoulli/Integrating Factors

  • The Head
  • · Replies 4 ·
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4

Using the Divergence Theorem on the surface of a sphere

  • TheGreatDeadOne
  • · Replies 5 ·
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5

Point on a graph nearest to the origin

  • Baums Mizushala
  • · Replies 14 ·
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14

Show that V is an internal direct sum of the eigenspaces

  • Karl Karlsson
  • · Replies 3 ·
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3

What can we say about the eigenvalues if ##L^2=I##?

  • Karl Karlsson
  • · Replies 12 ·
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12

Calculating Curve Integrals with the Del Operator: A Pain in the Brain?

  • Karl Karlsson
  • · Replies 1 ·
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1

Cryptography - coin flipping protocol

  • docnet
  • · Replies 3 ·
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3

Can you help me evaluate the integral in this linear differential equation?

  • Butterfly41398
  • · Replies 7 ·
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7

Integrating with a Denominator of (1+x^2)

  • beertje
  • · Replies 2 ·
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2

Find the value of this definite integral

  • chwala
  • · Replies 18 ·
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18

Tangent vector fields and covariant derivatives of the 3-sphere

  • docnet
  • · Replies 7 ·
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7

Showing that these two integrals are equal

  • conv
  • · Replies 6 ·
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6

Is is possible to multiply the matrix M with either A or c?

  • conv
  • · Replies 6 ·
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6

Volume Of Intersection Between Square Pyramid And Sphere

  • EquationOfMotion
  • · Replies 15 ·
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15

Finding a Unique Solution to a System of Equations

  • The Head
  • · Replies 3 ·
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3

System of two differential equations

  • docnet
  • · Replies 7 ·
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7

Electric Circuit Differential equation help

  • Vossi
  • · Replies 3 ·
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3

A better way of proving the Weiss Zone Law?

  • etotheipi
  • · Replies 6 ·
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6

Finding the flow of a vector field

  • docnet
  • · Replies 5 ·
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5

Question about Partial Differentials from my Thermo homework

  • yecko
  • · Replies 2 ·
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2

Estimating Error w/ Trap and Simpson's Rule when Values are Equal

  • The Head
  • · Replies 3 ·
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3

Reversing the order of integration in a double integral

  • dyn
  • · Replies 17 ·
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17

Killing’s equation in a linear space

  • LCSphysicist
  • · Replies 4 ·
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4

Refining a normal series into a composition series

  • fishturtle1
  • · Replies 7 ·
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7

How Does Changing Variables Affect Integrals in Calculus?

  • LCSphysicist
  • · Replies 2 ·
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2

Normal series and composition series

  • fishturtle1
  • · Replies 7 ·
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7

Calculating the speed of an airstream leaving a balloon

  • emzy168
  • · Replies 5 ·
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5

Linear algebra invertible transformation of coordinates

  • LCSphysicist
  • · Replies 2 ·
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2

A multivariate function of Toruses - tangent vectors

  • docnet
  • · Replies 5 ·
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5

Sum of the Expected Values of Two Discrete Random Variables

  • TheBigDig
  • · Replies 4 ·
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4

Solving this differential equation

  • chwala
  • · Replies 33 ·
2
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33

Surface integral: Calculate the heat flow from a cylinder

  • krihamm
  • · Replies 1 ·
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1

Changing Basis: Matrix E->F vs. Matrix B->C

  • LCSphysicist
  • · Replies 15 ·
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15

Quadratic air resistance clarification

  • penroseandpaper
  • · Replies 1 ·
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1

Is the given function continuous at x= 0? f(x) = {sin(1/x) if x≠0, 1

  • MidgetDwarf
  • · Replies 4 ·
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4

Calculating 2nd Total Derivative of u w.r.t. t

  • dyn
  • · Replies 28 ·
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28