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Finding the image of a multivariate function
- docnet
- · Replies 19 ·
Simple ##\chi^2## Tests for Weighted Averages and Linear Regression
- schniefen
- · Replies 1 ·
Is my proof that multiplication is well-defined for reals correct?
- yucheng
- · Replies 5 ·
Why use min in defining the formal limit of a Cauchy sequence
- yucheng
- · Replies 1 ·
How Is the Variance Used as Weight in Half-Life Error Analysis?
- schniefen
- · Replies 4 ·
Showing two groups are equal/Pontryagin duality
- fishturtle1
- · Replies 2 ·
Homomorphism, Kernel and Coset
- LCSphysicist
- · Replies 2 ·
Setting the limits of an integral
- docnet
- · Replies 3 ·
Energy current for field satisfying KG equation
- etotheipi
- · Replies 3 ·
Change of basis to express a matrix relative to a set of basis matrices
- fatpotato
- · Replies 4 ·
Solving 1D First Order Equations for 3D Mass Positions and Velocities
- Blanchdog
- · Replies 1 ·
Probability distribution for discrete data
- chwala
- · Replies 8 ·
Integral proof and then use the proof to solve a 2nd integral
- Mustard
- · Replies 10 ·
Find the value of x for which the function is discontinuous
- Fatima Hasan
- · Replies 2 ·
What Are the Inflection Points of a Second Derivative Function?
- greg_rack
- · Replies 7 ·
Find the Limit of the Heaviside Step Function Added to this Graph
- Fatima Hasan
- · Replies 1 ·
Solving for nC8,nC9, and nC10 in an Arithmetic Progression
- AN630078
- · Replies 3 ·
Show that this column matrix is not a vector
- LCSphysicist
- · Replies 2 ·
How Do Vector Spaces of Linear Maps Differ from Standard Vector Spaces?
- shinobi20
- · Replies 9 ·
How to Solve Calculus Problems with Recurrence: A Step-by-Step Explanation
- avata4
- · Replies 3 ·
Is a positive derivative sufficient to show ln is unbounded near zero?
- Eclair_de_XII
- · Replies 8 ·
Find the value of x using the Lambert W function
- chwala
- · Replies 18 ·
How to calculate the monthly interest rate?
- h1a8
- · Replies 12 ·
How to express the condition for a local maximum at x = -1
- greg_rack
- · Replies 7 ·
What do weak and strong topologies mean in this problem?
- shinobi20
- · Replies 9 ·
Using Least Squares to find Orthogonal Projection
- ver_mathstats
- · Replies 1 ·
Finding Orthogonal Unit Vector to 3 Vectors
- ver_mathstats
- · Replies 1 ·
Finding f(0) when f'(x) = cos(x³) using integral expressions
- barryj
- · Replies 10 ·
Setting up a linear programming problem with multiple constraints
- ver_mathstats
- · Replies 2 ·
Solving 2^(x+y+1) = 3^(x+y-1)
- chwala
- · Replies 11 ·
Calculation of Eddy Current Brake Force with a twist
- SwatiAnshu
- · Replies 5 ·
Probability Density of ##x## (Wiener Process)
- lelouch_v1
- · Replies 1 ·
Rossby Wave Problem: Deriving General Expressions
- Zythryn
- · Replies 5 ·
Studying non-differentiable points of an irrational function
- greg_rack
- · Replies 14 ·
Can You Solve This Challenging Functional Equation?
- LCSphysicist
- · Replies 36 ·
Derivative of 1/x: Solving a Common Calculus Problem
- gabby989062
- · Replies 8 ·
Total movement of bacteria assuming a random distribution
- fatpotato
- · Replies 5 ·
Is this a curved or flat space?
- LCSphysicist
- · Replies 13 ·
Does the Alternating Series Test show convergence for this series?
- murshid_islam
- · Replies 14 ·
Proof that the exponential function is convex
- L Navarro H
- · Replies 5 ·
Find a function satisfying these conditions: f(x)f(f(x)) = 1 and f(2020) = 2019
- LCSphysicist
- · Replies 14 ·
How can I simplify this integral equation with a complex numerator?
- AntonioDuarte2001
- · Replies 9 ·
Vector space of functions from finite set to real numbers
- fatpotato
- · Replies 17 ·
Is the Cube of matrix associative?
- TheMercury79
- · Replies 3 ·
Finding a matrix from a given null space
- archaic
- · Replies 15 ·
Unbiased estimators and standard error
- archaic
- · Replies 11 ·
Transitioning from Stage 2 to Stage 3
- LCSphysicist
- · Replies 1 ·
Condition to three vectors being collinear
- LCSphysicist
- · Replies 3 ·
Finding the largest ellipse that will fit in a polygon
- aheight
- · Replies 4 ·
Not sure about this statement in vector space and matrix
- LCSphysicist
- · Replies 1 ·
*solved*Particle moving along a parabola
- rxh140630
- · Replies 7 ·
Prove a theorem about a vector space and convex sets
- LCSphysicist
- · Replies 1 ·
Linear algebra inner products, self adjoint operator,unitary operation
- Karl Karlsson
- · Replies 9 ·
Issue calculating the derivative of a rational function
- greg_rack
- · Replies 7 ·
Linear programming and resolution theorem
- mertcan
- · Replies 18 ·
Maximize the function with constraints
- docnet
- · Replies 12 ·
Problem with a directional derivative calculation
- Amaelle
- · Replies 6 ·
Related rates: water level in a cone
- rxh140630
- · Replies 19 ·
Why directional derivative differs from normalized gradient dot product
- Amaelle
- · Replies 13 ·
Showing the lower central series is normal in G
- fishturtle1
- · Replies 4 ·
Domain of definition of the function f(x,y)=x^y
- Amaelle
- · Replies 2 ·
How to set bounds in cylindrical coordinates analytically?
- cwill53
- · Replies 4 ·
Find the cubic equation given the roots
- chwala
- · Replies 10 ·
Critical points and partial differentiation
- dyn
- · Replies 26 ·
First Order Diffy Q Problem with Bernoulli/Integrating Factors
- The Head
- · Replies 4 ·
Using the Divergence Theorem on the surface of a sphere
- TheGreatDeadOne
- · Replies 5 ·
Point on a graph nearest to the origin
- Baums Mizushala
- · Replies 14 ·
Show that V is an internal direct sum of the eigenspaces
- Karl Karlsson
- · Replies 3 ·
What can we say about the eigenvalues if ##L^2=I##?
- Karl Karlsson
- · Replies 12 ·
Calculating Curve Integrals with the Del Operator: A Pain in the Brain?
- Karl Karlsson
- · Replies 1 ·
Cryptography - coin flipping protocol
- docnet
- · Replies 3 ·
Evaluating the integral in a linear differential equation
- Butterfly41398
- · Replies 7 ·
Integrating with a Denominator of (1+x^2)
- beertje
- · Replies 2 ·
Find the value of this definite integral
- chwala
- · Replies 18 ·
Tangent vector fields and covariant derivatives of the 3-sphere
- docnet
- · Replies 7 ·
Showing that these two integrals are equal
- conv
- · Replies 6 ·
Is is possible to multiply the matrix M with either A or c?
- conv
- · Replies 6 ·
Volume Of Intersection Between Square Pyramid And Sphere
- EquationOfMotion
- · Replies 15 ·
Finding a Unique Solution to a System of Equations
- The Head
- · Replies 3 ·
System of two differential equations
- docnet
- · Replies 7 ·
RL circuit differential equation for 48cos(60t) voltage source
- Vossi
- · Replies 3 ·
A better way of proving the Weiss Zone Law?
- etotheipi
- · Replies 6 ·
Finding the flow of a vector field
- docnet
- · Replies 5 ·
Partial derivative of h/T with respect to temperature
- yecko
- · Replies 2 ·
Estimating Error w/ Trap and Simpson's Rule when Values are Equal
- The Head
- · Replies 3 ·
Reversing the order of integration in a double integral
- dyn
- · Replies 17 ·
Killing’s equation in a linear space
- LCSphysicist
- · Replies 4 ·
Refining a normal series into a composition series
- fishturtle1
- · Replies 7 ·
How Does Changing Variables Affect Integrals in Calculus?
- LCSphysicist
- · Replies 2 ·
Constructing composition series from equivalent normal series
- fishturtle1
- · Replies 7 ·
Calculating the speed of an airstream leaving a balloon
- emzy168
- · Replies 5 ·
Linear algebra invertible transformation of coordinates
- LCSphysicist
- · Replies 2 ·
A multivariate function of Toruses - tangent vectors
- docnet
- · Replies 5 ·
Sum of the Expected Values of Two Discrete Random Variables
- TheBigDig
- · Replies 4 ·
Solving this differential equation
- chwala
- · Replies 33 ·
Surface integral: Calculate the heat flow from a cylinder
- krihamm
- · Replies 1 ·
Changing Basis: Matrix E->F vs. Matrix B->C
- LCSphysicist
- · Replies 15 ·
Constant of integration and sign changes in quadratic air resistance
- penroseandpaper
- · Replies 1 ·
Is the given function continuous at x= 0? f(x) = {sin(1/x) if x≠0, 1
- MidgetDwarf
- · Replies 4 ·
Calculating 2nd Total Derivative of u w.r.t. t
- dyn
- · Replies 28 ·