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Everything from arithmetic, algebra, calculus, and geometry to analysis, logic, set theory, and uncertainty.

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Perform a stepwise regression to reduce number of variables in a model?

QUESTION FROM: Roger Leventhal | 6 years ago BY: Michael Helmle
Data Science , Mathematics , Statistics and Probability , ...
1
REPLIES
8.3K
VIEWS

[?] Solve a differential algebraic equation?

QUESTION FROM: Joshua Champion | 6 years ago BY: Joshua Champion
Algebra , Equation Solving , Mathematics , Wolfram Language
5
REPLIES
8.4K
VIEWS

Calculate an equivalence relation by a given partition in Wolfram|Alpha?

QUESTION FROM: udi do | 6 years ago BY: Murray Eisenberg
Discrete Mathematics , Mathematics , Wolfram|Alpha
2
REPLIES
6.4K
VIEWS

Why is Resolve not reducing my set?

QUESTION FROM: Yue Li | 6 years ago BY: Yue Li
Equation Solving , Logic and Boolean Algebra , Mathematics , ...
6
REPLIES
8.6K
VIEWS

[?] Get cube roots with W|A?

QUESTION FROM: Alex Bukin | 6 years ago BY: Alex Bukin
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
2
REPLIES
6.7K
VIEWS

Plotting using ArcLength function? [solved]

QUESTION FROM: Addison Conzet | 6 years ago BY: Addison Conzet
Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
4.2K
VIEWS

[?] Change color of different plot points in same list plot?

QUESTION FROM: David Wood | 6 years ago BY: Rohit Namjoshi
Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
2.1K
VIEWS

Pointwise operations over functions?

QUESTION FROM: victor mitin | 6 years ago BY: Neil Singer
Mathematics , Symbolic Computations , Wolfram Language
1
REPLIES
3.7K
VIEWS

[?] Find first local minima?

QUESTION FROM: Mia Linda | 6 years ago BY: Neil Singer
Mathematics , Wolfram Language
2
REPLIES
2.6K
VIEWS

Modify a math expression comprised of Sin and Cos functions?

QUESTION FROM: Larry Chen | 6 years ago BY: Daniel Lichtblau
Mathematics , Symbolic Computations , Wolfram Language
1
REPLIES
3.5K
VIEWS

Get the functional of a PDF from PearsonDistribution

QUESTION FROM: NIRBHAY KUMAR BEHERA | 4 years ago BY: Jim Baldwin
Mathematics , Statistics and Probability , Wolfram Language
1
REPLIES
4.6K
VIEWS

Solve system of four equations and rearrange it into four equations?

QUESTION FROM: Ng Chong Lay | 6 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
7.6K
VIEWS

Lagrangian for rolling disk inside a ring

QUESTION FROM: Ravi Shankar Gautam | 6 years ago BY: Ravi Shankar Gautam
Demonstrations , Mathematics , Modeling , Physics , Wolfram Language
4
REPLIES
9.3K
VIEWS

Avoid Issue with open bracket size?

QUESTION FROM: sunny rose | 6 years ago BY: Gianluca Gorni
Authoring and Publishing , Mathematica , Mathematics , ...
1
REPLIES
6.8K
VIEWS

[?] Plot data imported in TSV format?

QUESTION FROM: Aaron Fultineer | 6 years ago BY: Rohit Namjoshi
Graphics and Visualization , Import and Export , Mathematics , ...
2
REPLIES
4.8K
VIEWS

Avoid issues using RegionCentroid on Polygon?

QUESTION FROM: Victor Murcia | 6 years ago BY: Victor Murcia
Geometry , Mathematics , Wolfram Language
3
REPLIES
4.2K
VIEWS

How do I interpret a "repeating decimal" result in WolframAlpha?

QUESTION FROM: Paul Slater | 6 years ago BY: Anonymous User
Mathematics , Wolfram|Alpha
3
REPLIES
4.8K
VIEWS

Learn more about the formula for the asymptotic growth of prime numbers?

QUESTION FROM: Collin Merenoff | 6 years ago BY: Duncan Pettengill
Discrete Mathematics , Mathematics , Wolfram Language
2
REPLIES
9.5K
VIEWS

Store variables after using Solve?

QUESTION FROM: Ermanno Citraro | 6 years ago BY: Ermanno Citraro
Equation Solving , Mathematics , Wolfram Language
4
REPLIES
7.8K
VIEWS

Solve analytically 1D transport equation?

QUESTION FROM: Natash A | 6 years ago BY: Tim Laska
Chemistry , Equation Solving , Mathematics , Symbolic Computations , ...
11
REPLIES
11.5K
VIEWS

Specify a function for Expectation: Specifically AR(2) Time Series?

QUESTION FROM: A.I. S | 6 years ago
Economics , Finance , Mathematics , Wolfram Language
0
REPLIES
3.9K
VIEWS

Limit problem from "Mean girls" TV program?

QUESTION FROM: ingrid schau | 6 years ago BY: David Keith
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
5
REPLIES
10K
VIEWS

Heisenberg uncertainty for the harmonic oscillator?

QUESTION FROM: Ana Monea | 6 years ago BY: Hans Dolhaine
Calculus , Mathematics , Physics , Wolfram Language
2
REPLIES
5.7K
VIEWS

Derive after Nintegration or symbolic integration?

QUESTION FROM: qin richard | 6 years ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
3.6K
VIEWS

Use extra indicators in financial charts?

QUESTION FROM: Victor Mitin | 6 years ago
Curated Data , Data Science , Economics , Finance , ...
0
REPLIES
3.6K
VIEWS

Animate these 2D plots?

QUESTION FROM: Ricardo Waste | 6 years ago BY: Ricardo Waste
Dynamic Interactivity , Graphics and Visualization , Mathematics , ...
8
REPLIES
5.1K
VIEWS

Use package "Calculus`VectorAnalysis`" ?

QUESTION FROM: Yunlin Zeng | 6 years ago BY: Duncan Pettengill
Mathematics , Packages , Wolfram Language
3
REPLIES
6.9K
VIEWS

Can W|A Pro version solve math problems on an uploaded image or file?

QUESTION FROM: Arne Herfert | 6 years ago
Image Processing , Mathematics , Wolfram|Alpha , Wolfram|Alpha Apps
0
REPLIES
4.7K
VIEWS

Set properties to Plot (lines and mesh styles)?

QUESTION FROM: Aymen Amer | 6 years ago BY: Aymen Amer
Graphics and Visualization , Mathematics , Wolfram Language
8
REPLIES
4.9K
VIEWS

Solve equation comprising integration and giving the value of constants?

QUESTION FROM: Akshay Raj R | 6 years ago BY: Mariusz Iwaniuk
Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
3.7K
VIEWS

Multiply both sides of an equation by an expression?

QUESTION FROM: Jacques Ou | 6 years ago BY: Jacques Ou
Calculus , Mathematics , Wolfram Language
3
REPLIES
5.4K
VIEWS

Decomposition of an even number into two prime numbers

QUESTION FROM: Aleksey Belyanin | 6 years ago BY: Ryan Latterell
Algebra , Discrete Mathematics , Mathematics , Wolfram Language
7
REPLIES
8.1K
VIEWS

Why does NDSolve return a constant value when the derivative is positive?

QUESTION FROM: Robert McHugh | 6 years ago BY: Robert McHugh
Calculus , Control Systems , Equation Solving , Mathematics , ...
2
REPLIES
9.1K
VIEWS

[?] ParametricPlot results of a diff eqn that are interpolating functions?

QUESTION FROM: Ertan Salik | 6 years ago BY: Mariusz Iwaniuk
Engineering , Equation Solving , Mathematica , Mathematics , Physics
3
REPLIES
6.3K
VIEWS

Using partial fraction decomposition to find inverse Fourier transform

QUESTION FROM: Ryan Rizzo | 6 years ago BY: Mariusz Iwaniuk
Mathematics , Wolfram|Alpha , Wolfram Language
1
REPLIES
6.8K
VIEWS

DiscreteMarkovProcess and FirstPassageTimeDistribution "don't" work?

QUESTION FROM: Michael Fischer | 6 years ago
Graphs and Networks , Mathematics , Statistics and Probability , ...
0
REPLIES
3.9K
VIEWS

Solve a system of differential equations?

QUESTION FROM: Torebek Zhumabek | 6 years ago BY: Hans Dolhaine
Calculus , Equation Solving , Mathematics , Wolfram Language
20
REPLIES
8.5K
VIEWS

Get the specific implementation principle of RepairMesh?

QUESTION FROM: bingtao ma | 6 years ago
3D Printing , Geometry , Mathematics , Wolfram Language
0
REPLIES
3.8K
VIEWS

NDSolve for a heat differential equation with periodic boundary conditions?

QUESTION FROM: Markus Schmidt | 6 years ago BY: Henrik Schachner
Calculus , Engineering , Equation Solving , Mathematics , ...
6
REPLIES
13.1K
VIEWS

Orthogonal Projection of vector onto plane

QUESTION FROM: Jhn Doe | 6 years ago BY: Jhn Doe
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
9
REPLIES
11.4K
VIEWS

[?] Calculate and interpret Lim (x->0) ln(x!)/x ?

QUESTION FROM: Lucas Campos | 6 years ago BY: Daniel Lichtblau
Algebra , Calculus , Graphics and Visualization , Mathematics , ...
4
REPLIES
9.2K
VIEWS

[?] Solve this indefinite integral?

QUESTION FROM: Marc Widdowson | 6 years ago BY: Marc Widdowson
Calculus , Mathematics , Wolfram Language
5
REPLIES
11.2K
VIEWS

[?] Use Manipulate to plot the Fourier Series?

QUESTION FROM: andreusp6 | 7 years ago BY: Updating Name
Dynamic Interactivity , Graphics and Visualization , Mathematics , ...
5
REPLIES
6.8K
VIEWS

Solve first order linear equation using DSolve?

QUESTION FROM: tian zhao | 6 years ago BY: tian zhao
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
15
REPLIES
7.8K
VIEWS

Obtain a numerical solution and Plot this equation?

QUESTION FROM: Ömer Faruk AKYILDIZ | 6 years ago BY: Ricardo Waste
Equation Solving , Mathematica , Mathematics , ...
13
REPLIES
8.9K
VIEWS

Change of basis using RowReduce

QUESTION FROM: Jhn Doe | 7 years ago BY: Anonymous User
Algebra , Mathematics , Wolfram Language
3
REPLIES
8K
VIEWS

[?] Plot a Sin function with the following style?

QUESTION FROM: V? Ng?c Vi?t Hoàng | 7 years ago BY: Mariusz Iwaniuk
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
4
REPLIES
4.4K
VIEWS

Fit a mathematical expression to a certain shape from a simple drawing?

QUESTION FROM: OZGUN CAN | 6 years ago BY: OZGUN CAN
Image Processing , Import and Export , Mathematics , Modeling , ...
6
REPLIES
5.8K
VIEWS

Use NSolve for a system of two nonlinear equations two unknowns?

QUESTION FROM: Babak K | 7 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
6.2K
VIEWS

Find the constants in partial fractions?

QUESTION FROM: Chiel Geeraert | 7 years ago BY: Chiel Geeraert
Mathematics , Wolfram Language
3
REPLIES
8K
VIEWS

Solve differential equation system for HIV treatment model?

QUESTION FROM: wahyu suryaningrat | 2 years ago BY: Eric Brown
Biological Sciences , Calculus , Equation Solving , Mathematics , ...
1
REPLIES
5.9K
VIEWS

Perform symbolic stochastic calculus with X(t) standard Brownian motion?

QUESTION FROM: Alex Token | 7 years ago BY: EDITORIAL BOARD
Calculus , Mathematics , Statistics and Probability , ...
1
REPLIES
4.8K
VIEWS

Get a solution to the following partial differential equation?

QUESTION FROM: Alex Token | 7 years ago BY: Alex Token
Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
5.2K
VIEWS

[?] Get identical symbolic expressions after simplifying them differently?

QUESTION FROM: Alex Token | 7 years ago BY: Alex Token
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
5.4K
VIEWS

[?] Get same results from same equations but simplified?

QUESTION FROM: Mirza Farrukh Baig | 7 years ago BY: Mirza Farrukh Baig
Algebra , Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
7.6K
VIEWS

[?] Calculate the following 2-equation integral?

QUESTION FROM: Jacques Ou | 7 years ago BY: Murray Eisenberg
Calculus , Mathematics , Wolfram Language
3
REPLIES
5.2K
VIEWS

[?] Plot two functions in the same contour plot?

QUESTION FROM: Leonardo Souza | 7 years ago BY: Leonardo Souza
Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
11.7K
VIEWS

Collaboration Request: Checker-like 2D Simulation following rules.

QUESTION FROM: Mark Florquin | 7 years ago
Jobs & More Exchange , Mathematica , Mathematics , Modeling , ...
0
REPLIES
5.7K
VIEWS

Matrix multiplication using W|A ?

QUESTION FROM: Denys Porplenko | 7 years ago BY: Daniel Lichtblau
Algebra , Mathematics , Wolfram|Alpha
4
REPLIES
5.3K
VIEWS

Get numerical solution of PDE for diffusion at high diffusion rates?

QUESTION FROM: Rutton Patel | 6 years ago BY: Rutton Patel
Calculus , Chemistry , Equation Solving , Mathematics , Modeling , ...
23
REPLIES
18K
VIEWS

Get same numerical and analytical integral's results?

QUESTION FROM: Jaime de la Mota | 7 years ago BY: Jaime de la Mota
Calculus , Mathematics , Wolfram Language
4
REPLIES
5K
VIEWS

[?] Why NDSolve give a run-away solution for a hamiltonian system?

QUESTION FROM: Meir Lewkowicz | 7 years ago BY: Meir Lewkowicz
Equation Solving , Mathematics , Numerical Computation , Physics , ...
7
REPLIES
6.1K
VIEWS

Solve a system with 3 variables and 3 equations using W|A?

QUESTION FROM: Douglas Jorge | 7 years ago BY: Bill Nelson
Equation Solving , Mathematics , Wolfram|Alpha , Wolfram Language
2
REPLIES
7.5K
VIEWS

Use the Dirac function in an integral calculation?

QUESTION FROM: V? Ng?c Vi?t Hoàng | 7 years ago BY: Rohit Namjoshi
Algebra , Calculus , Discrete Mathematics , Equation Solving , ...
1
REPLIES
5.2K
VIEWS

Linearize a polynomial in several variables?

QUESTION FROM: Omar Alsuhaimi | 7 years ago BY: Hans Dolhaine
Algebra , Calculus , Mathematics , Wolfram Language
7
REPLIES
9.8K
VIEWS

Manipulate parameters/constants in a set of differential equations?

QUESTION FROM: Jonas Hamp | 7 years ago BY: Rohit Namjoshi
Calculus , Equation Solving , Graphics and Visualization , ...
1
REPLIES
6K
VIEWS

Function to find differentially abundant features?

QUESTION FROM: Jamie Dixson | 7 years ago BY: Daniel Lichtblau
Data Science , Machine Learning , Mathematics , ...
1
REPLIES
6.5K
VIEWS

Solve equations for Damped Precession of Magnetic Moment?

QUESTION FROM: David Sanderson | 7 years ago BY: Rohit Namjoshi
Equation Solving , Mathematics , Physics , Wolfram Language
1
REPLIES
3.8K
VIEWS

Iteration of a Matrix

QUESTION FROM: Nagon Stewart | 7 years ago BY: EDITORIAL BOARD
Mathematics , Wolfram Language
2
REPLIES
2.6K
VIEWS

Solve the following delay differential equations?

QUESTION FROM: Rachele Allena | 7 years ago BY: Rachele Allena
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
16
REPLIES
6.3K
VIEWS

Solve definite Integrals of large symbolic equations?

QUESTION FROM: Jacob Switzer | 7 years ago BY: Alexander Trounev
Algebra , Calculus , Equation Solving , Mathematics , ...
3
REPLIES
6.5K
VIEWS

Read Arduino Serial Monitor sensor that returns CSV data?

QUESTION FROM: Jose Calderon | 7 years ago
Connected Devices , Graphics and Visualization , Import and Export , ...
0
REPLIES
5K
VIEWS

[?] Avoid problem with the parametrization of a line integral?

QUESTION FROM: Jaime de la Mota | 7 years ago BY: Hans Dolhaine
Calculus , Mathematics , Symbolic Computations , Wolfram Language
5
REPLIES
5.2K
VIEWS

Define modified Mathieu functions?

QUESTION FROM: Nafiseh Sang-Nourpour | 7 years ago BY: Dent de Lion
Calculus , Mathematics , Wolfram Language
1
REPLIES
7.6K
VIEWS

Get step by step solution of this differential equation with W|A?

QUESTION FROM: Agre agrem | 7 years ago BY: Agre agrem
Equation Solving , Mathematics , Wolfram|Alpha , Wolfram|Alpha Apps
1
REPLIES
7.5K
VIEWS

Use a Wolfram Language equivalent to Matlab's "linspace" function?

QUESTION FROM: Ehud Behar | 4 years ago BY: Ehud Behar
Algebra , Mathematics , Wolfram Language
4
REPLIES
29.8K
VIEWS

Find all roots of the following equation?

QUESTION FROM: Jhn Doe | 7 years ago BY: Mariusz Iwaniuk
Equation Solving , Graphics and Visualization , Mathematics , ...
1
REPLIES
4.4K
VIEWS

Improve code for finding the coordinates of a triangular mesh?

QUESTION FROM: jagannath debata | 6 years ago BY: jagannath debata
Geometry , Mathematics , Tuning and Debugging , Wolfram Language
6
REPLIES
11.2K
VIEWS

Plot Poincare map in order to analyze chaos?

QUESTION FROM: V? Ng?c Vi?t Hoàng | 7 years ago BY: Alexander Trounev
Graphics and Visualization , Mathematics , Numerical Computation , ...
1
REPLIES
6K
VIEWS

Use NMinimize calling an own defined function?

QUESTION FROM: Mario Junior Mencagli | 1 year ago BY: Unknown Unknown
Optimization , Mathematics , Numerical Computation , Wolfram Language
8
REPLIES
8.9K
VIEWS

Get formula to calculate text rotation angle (clock angle problem)?

QUESTION FROM: John Cosmic | 7 years ago BY: Rohit Namjoshi
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
3.4K
VIEWS

Use NMinimize calling a own defined function with FindRoot?

QUESTION FROM: Mario Junior Mencagli | 7 years ago
Equation Solving , Optimization , Mathematics , ...
0
REPLIES
3.2K
VIEWS

Avoid problem using "Nested" NMaximize?

QUESTION FROM: Augusto Umaña | 7 years ago BY: Augusto Umaña
Optimization , Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
5.6K
VIEWS

Calculate and plot the roots of a polynomial?

QUESTION FROM: Pasquale Rossi | 7 years ago BY: Rohit Namjoshi
Calculus , Equation Solving , Graphics and Visualization , ...
3
REPLIES
6.8K
VIEWS

Find the Coordinates of a triangular mesh?

QUESTION FROM: jagannath debata | 7 years ago BY: jagannath debata
Geometry , Mathematics , Wolfram Language
4
REPLIES
8.2K
VIEWS

Save output data after solving second order differential equation?

QUESTION FROM: Padam Ghimire | 7 years ago
Equation Solving , Mathematics , Wolfram Language
0
REPLIES
2K
VIEWS

Edit specific parts of vector fields?

QUESTION FROM: Hafez Rais | 7 years ago BY: Neil Singer
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
4.1K
VIEWS

Nonlinear feedback system

QUESTION FROM: OBIROY LAIRENJAM | 7 years ago BY: OBIROY LAIRENJAM
Control Systems , Engineering , Equation Solving , ...
2
REPLIES
7K
VIEWS

Solve the Extended Generalized Bivariate Meijer G Function (EGBMGF)?

QUESTION FROM: Marko Smilic | 1 month ago BY: Mariusz Iwaniuk
Engineering , Equation Solving , Mathematics , ...
9
REPLIES
14.2K
VIEWS

Get 3358th digit of Pi, E and Phi using W|A?

QUESTION FROM: Renan José | 7 years ago BY: Renan José
Mathematics , Wolfram|Alpha
5
REPLIES
5.8K
VIEWS

Display a specific part of an output?

QUESTION FROM: Christopher Reyes | 7 years ago BY: Christopher Reyes
Mathematics , Wolfram Language
5
REPLIES
8.1K
VIEWS

Solve the differential equation by Runge Kutta method?

QUESTION FROM: V? Ng?c Vi?t Hoàng | 7 years ago BY: V? Ng?c Vi?t Hoàng
Algebra , Calculus , Equation Solving , Mathematics , ...
6
REPLIES
5.7K
VIEWS

Look for the position where a given number sequence occurs in Wolfram|Alpha

QUESTION FROM: Renan José | 7 years ago
Mathematics , Wolfram|Alpha , Wolfram|Alpha Integration
0
REPLIES
3.5K
VIEWS

Perform a derivation with Dirac symbols?

QUESTION FROM: Xiaosong Zhu | 7 years ago
Mathematica , Mathematics , Optics , Physics , ...
0
REPLIES
3.6K
VIEWS

Plot a 4 Vertical Axes on Graph with 1 Horizontal Axes?

QUESTION FROM: Peter Munro | 7 years ago
Data Science , Graphics and Visualization , Mathematics , ...
0
REPLIES
5.5K
VIEWS

Turning off significant digits?

QUESTION FROM: Tyler Corbett | 7 years ago BY: Karl Isensee
Mathematics , Wolfram Language
2
REPLIES
6.9K
VIEWS

Create a list of integer variables to Minimize a particular quantity?

QUESTION FROM: Elisa Boffelli | 7 years ago BY: Elisa Boffelli
Optimization , Mathematics , Wolfram Language
10
REPLIES
5.8K
VIEWS

Use FindFit with an exponential function?

QUESTION FROM: Mor Bo | 7 years ago BY: Michael Helmle
Data Science , Graphics and Visualization , Optimization , ...
5
REPLIES
15.7K
VIEWS

Plot and show that the following function has a kink at t = 4?

QUESTION FROM: Silviu Udrescu | 7 years ago BY: Michael Rogers
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
5.6K
VIEWS

NDSolve laplacian equation on meshed boundary?

QUESTION FROM: Yahyaoui Hamza | 7 years ago BY: Tim Laska
Engineering , Equation Solving , Mathematics , Modeling , ...
1
REPLIES
6.5K
VIEWS
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