General Math Forum

Post thread
Join in expert discussion on general math topics that are not applicable to the specific categories. This includes topics are usually high school math level. Homework help is available.

Math Proof Training and Practice

A gap in resources that should help students visualise mathematics

Math Guides, Tutorials and Articles

MHB Deriving the first and second order Newton-Cotes formulas

Math Problem of the Week

Undergrad Sum of an Alternating Series
MHB Km8,38 Find the value of \theta if it exists
  • · Replies 4 ·
Replies
4
Views
2K
MHB Solve Algebra Word Problem: Overpayment Amount of \$85.00
  • · Replies 2 ·
Replies
2
Views
2K
High School Spatial Average of squared functions
  • · Replies 11 ·
Replies
11
Views
2K
Must On-Line Smooth Forecasted Point relative to previous points.
  • · Replies 1 ·
Replies
1
Views
2K
High School What Mathematical Concepts Are Needed to Understand a Jumping Ball in Space?
  • · Replies 20 ·
Replies
20
Views
2K
MHB Write an inequality that describes the region where the grass has been planted
  • · Replies 1 ·
Replies
1
Views
2K
Fourier transform and singularities
  • · Replies 1 ·
Replies
1
Views
3K
Optimizing Implicit Functions: Best Fit for Coupled ODE Solutions
  • · Replies 1 ·
Replies
1
Views
2K
High School Can 2x/3x Equal 2/3x Squared on a Graphing Calculator?
  • · Replies 3 ·
Replies
3
Views
1K
How do I improve my skills in constructing mathematical proofs?
  • · Replies 1 ·
Replies
1
Views
2K
Where can I find a comprehensive resource for learning discrete mathematics?
  • · Replies 1 ·
Replies
1
Views
2K
High School Finding the range of an equation with domain restrictions?
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad How Does Scaling Affect the Coordinates of a Rectangle in the Plane?
  • · Replies 2 ·
Replies
2
Views
1K
Proof for Axes of an Ellipse - Analytical Geometry
  • · Replies 1 ·
Replies
1
Views
3K
Classification of figure from the general equation of conics
  • · Replies 1 ·
Replies
1
Views
3K
How are Letters Used in Mathematics?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Nontrivial Diophantine Solutions
  • · Replies 3 ·
Replies
3
Views
1K
MHB Find Probability of Double Throwing 6-Sided Die 5 Times
  • · Replies 1 ·
Replies
1
Views
3K
High School How to calculate the Fourier transform of sin(a*t)*exp(-t/b) ?
  • · Replies 7 ·
Replies
7
Views
2K
How to convolve impulses in engineering?
  • · Replies 2 ·
Replies
2
Views
3K
High School Missing Solutions and non-reversible operations
  • · Replies 5 ·
Replies
5
Views
2K
MHB 33. Express sin 4x in terms of sin x and cos x
  • · Replies 1 ·
Replies
1
Views
4K
MHB Why Aren't Splitting Patterns & Integrations for Red & Blue Protons Different?
  • · Replies 3 ·
Replies
3
Views
4K
Undergrad Transforming Vector Fields between Cylindrical Coordinates
  • · Replies 1 ·
Replies
1
Views
1K
MHB Circles in a square and diameter of the circle
  • · Replies 3 ·
Replies
3
Views
2K
Terence tao's list of mathematical embarrassments
  • · Replies 3 ·
Replies
3
Views
5K
High School Missing and Extraneous Solutions
  • · Replies 10 ·
Replies
10
Views
2K
Composition of a theta function with function
  • · Replies 1 ·
Replies
1
Views
3K
Applications of Ramsey's Theorem
  • · Replies 1 ·
Replies
1
Views
3K
In need of a good graphing program
  • · Replies 1 ·
Replies
1
Views
2K
Comparing coefficients of polynomial congruences.
  • · Replies 1 ·
Replies
1
Views
2K
Help with choosing method for duration estimation
  • · Replies 1 ·
Replies
1
Views
2K
Iterated Tangent Sequence: Calculating & Proving Solutions
  • · Replies 1 ·
Replies
1
Views
3K
Why Does the Levenberg-Marquardt Algorithm Focus on Minimizing Functions?
  • · Replies 1 ·
Replies
1
Views
3K
Fourier Analysis: What is the Difference with (w-wo)?
  • · Replies 1 ·
Replies
1
Views
2K
Is the Saddle Point Expansion Valid for Finite Values of x?
  • · Replies 1 ·
Replies
1
Views
3K
Normal derivative in spheroidal coordinate
  • · Replies 1 ·
Replies
1
Views
2K
Complex matrix to Block Matrix
  • · Replies 1 ·
Replies
1
Views
3K
Simplest algorithm for computing the resultant of a boolean expression?
  • · Replies 1 ·
Replies
1
Views
3K
Solving Parlay Payout Formula Deduction
  • · Replies 4 ·
Replies
4
Views
5K
MHB Singapore Ferris wheel with 30 minutes of revolution time
  • · Replies 1 ·
Replies
1
Views
3K
Geodesics on R^2: Exact Formula?
  • · Replies 1 ·
Replies
1
Views
3K
What is the best method for finding integer solutions to a challenging function?
  • · Replies 1 ·
Replies
1
Views
3K
What Are the Connections Between Euclidean and Non-Euclidean Geometry?
  • · Replies 1 ·
Replies
1
Views
3K
Closures and Infinite Products
  • · Replies 1 ·
Replies
1
Views
3K
Has the 140-Year-Old Schwarz-Christoffel Math Problem Finally Been Solved?
  • · Replies 1 ·
Replies
1
Views
3K
Continuous formula for area of segment of a circle
  • · Replies 1 ·
Replies
1
Views
3K
How many possible Sudoku boards are there?
  • · Replies 1 ·
Replies
1
Views
3K
Multi-dimensional Chebyshev polynomials?
  • · Replies 1 ·
Replies
1
Views
3K
What Is the Upper Bound on White Balls with Given Certainty?
  • · Replies 1 ·
Replies
1
Views
3K
Need Help [Discrete math / Algorithms]
  • · Replies 1 ·
Replies
1
Views
3K
Deriving equations from fourier series representations
  • · Replies 1 ·
Replies
1
Views
3K
Financial, Multiple Compound Interest Problem
  • · Replies 1 ·
Replies
1
Views
3K
Triangulation Report: History, Math & Real World Apps
  • · Replies 1 ·
Replies
1
Views
3K
Correctly combining two Quaternions
  • · Replies 1 ·
Replies
1
Views
3K
Can Manifold Angle Determine Concavity and Convexity of a Curve?
  • · Replies 1 ·
Replies
1
Views
3K
Any Facts about Newton Polygons
  • · Replies 1 ·
Replies
1
Views
4K
What Are the Optimal Strategies for Player 1 in Kuhn Poker?
  • · Replies 1 ·
Replies
1
Views
4K
Number of possible unique outcomes help - Binomial
  • · Replies 1 ·
Replies
1
Views
3K
MHB If he chooses randomly, how many ways can Akio form his starting lineup
  • · Replies 1 ·
Replies
1
Views
3K
Obtaining xy-coordinate linear motion from angles of rotation
  • · Replies 1 ·
Replies
1
Views
4K
Plotting phase and magnitude -
  • · Replies 1 ·
Replies
1
Views
4K
MHB What should I say about elementary number theory?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad What should I say about elementary number theory?
  • · Replies 2 ·
Replies
2
Views
1K
MHB Chances of Student Getting Hot Chocolate at Dan's Office Hours
  • · Replies 2 ·
Replies
2
Views
2K
Bézout's identity and Diophantine Equation
  • · Replies 2 ·
Replies
2
Views
5K
The basis of n x n matrices with matrix multiplication
  • · Replies 1 ·
Replies
1
Views
4K
Numerical Methods Test Problems at Undergraduate Level
  • · Replies 1 ·
Replies
1
Views
4K
Understanding Splines: Solving with Tridiagonal Matrices
  • · Replies 1 ·
Replies
1
Views
4K
Calculator Inuts: DAL vs. RPN vs. CAS
  • · Replies 1 ·
Replies
1
Views
4K
Factoring multivariable polynomials
  • · Replies 1 ·
Replies
1
Views
4K
Helpful vector analysis interactive visuals
  • · Replies 1 ·
Replies
1
Views
4K
Interpolation and Extrapolation
  • · Replies 1 ·
Replies
1
Views
4K
Cylindrical polar co-ordinates
  • · Replies 1 ·
Replies
1
Views
4K
Perfect practice makes perfect
  • · Replies 1 ·
Replies
1
Views
4K
Primitive polynomial in GF(4) ?
  • · Replies 1 ·
Replies
1
Views
5K
An infinite series transformed from Laplace transform
  • · Replies 1 ·
Replies
1
Views
4K
Linear Interpolation to Find Z Value in Quadrilateral
  • · Replies 1 ·
Replies
1
Views
4K
Linear Programming Constraints
  • · Replies 1 ·
Replies
1
Views
4K
MHB Finding Horizontal/Vertical Distance Between Two Points in Scratch 3.0
  • · Replies 1 ·
Replies
1
Views
2K
High School Is this new multiplication method the key to faster quantum computers?
  • · Replies 11 ·
Replies
11
Views
3K
MHB Probability of a random subset of Z
  • · Replies 1 ·
Replies
1
Views
2K
MHB Find area of a triangle in coordinate plane
  • · Replies 4 ·
Replies
4
Views
2K
High School What is the Area of a Sierpinski Triangle?
  • · Replies 7 ·
Replies
7
Views
5K
High School Understanding the Odd and Even Nature of sin(x^3)
  • · Replies 8 ·
Replies
8
Views
3K
Best books/workbooks for high school math refresher
  • · Replies 2 ·
Replies
2
Views
5K
How Do You Calculate Gyro Outputs from Aircraft Attitude and Movement Data?
  • · Replies 1 ·
Replies
1
Views
2K
The Experience Of Mathematical Confusion
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Running through a complex math derivation of plasma frequency
  • · Replies 1 ·
Replies
1
Views
1K
High School Proof That ##\sqrt{x}## Isn't Rational (Unless ##x## is a Perfect Square)
  • · Replies 7 ·
Replies
7
Views
2K
MHB Find Side Lengths of Pythagorean Triangle ABC with Square DEFG Inscribed
  • · Replies 6 ·
Replies
6
Views
2K
Graduate What is geometric group theory and how does it relate to different geometries?
  • · Replies 12 ·
Replies
12
Views
2K
Compute # of Coins for Tray Inner Rim: Examples
  • · Replies 1 ·
Replies
1
Views
2K
Least squares estimation with quadratic constraints (M*M = 0)
  • · Replies 1 ·
Replies
1
Views
2K
More context for formula wanted
  • · Replies 1 ·
Replies
1
Views
1K
Fun with graphs and calculators
  • · Replies 1 ·
Replies
1
Views
2K
Formula to compute number of groups from given points with overlap
  • · Replies 1 ·
Replies
1
Views
2K
Understanding Markov Chains: Deriving and Solving Probabilities
  • · Replies 1 ·
Replies
1
Views
2K
Help extending volumes of revolution to fourth dimension
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad The product of 2 infinite sums
  • · Replies 5 ·
Replies
5
Views
2K