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

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NdSolve::ndnum error and Polar Coordinates plot

QUESTION FROM: Danila Zharenkov | 12 years ago BY: Danila Zharenkov
Calculus , Equation Solving , Mathematica , Mathematics
6
REPLIES
6.1K
VIEWS

Plotting multiple lines and using filling on only one line

QUESTION FROM: Allen Hammack | 12 years ago BY: Arnoud Buzing
Algebra , Mathematica , Mathematics
4
REPLIES
12.4K
VIEWS

Newton-Raphson Root Finding, Difficulty in coding

QUESTION FROM: Cory Leahy | 12 years ago BY: Jari Kirma
Mathematics , Physics , Wolfram Language
4
REPLIES
8.8K
VIEWS

Meaning of & /@

QUESTION FROM: Raffaele Santagati | 12 years ago BY: Ilian Gachevski
Mathematica , Mathematics
1
REPLIES
25.7K
VIEWS

Plot several points as coordinates and colouring.

QUESTION FROM: Jakob A | 12 years ago BY: Paul Cleary
Graphics and Visualization , Mathematica , Mathematics , Modeling
5
REPLIES
14.5K
VIEWS

Solving Cos trigonometric equation

QUESTION FROM: Ahmed Al-Ali | 12 years ago BY: Bill Simpson
Equation Solving , Mathematica , Mathematics
4
REPLIES
7.9K
VIEWS

Factoring Pairs

QUESTION FROM: sean roubion | 12 years ago BY: Paul Cleary
Mathematics
2
REPLIES
3.8K
VIEWS

How to extract the position of a minimum value in a vector or a Matrix

QUESTION FROM: Raffaele Santagati | 12 years ago BY: Jeremy Michelson
Mathematica , Mathematics , Physics
2
REPLIES
11.3K
VIEWS

Odd problem with product of Matrices

QUESTION FROM: Raffaele Santagati | 12 years ago BY: Raffaele Santagati
Mathematica , Mathematics
5
REPLIES
3.9K
VIEWS

EulerPhi[0] = 0?

QUESTION FROM: Dean Sparrow | 12 years ago BY: Dean Sparrow
Mathematica , Mathematics
3
REPLIES
4.7K
VIEWS

Module 'only assignments to symbols' error

QUESTION FROM: fgarcia | 12 years ago BY: fgarcia
Mathematica , Mathematics , Numerical Computation , ...
2
REPLIES
6.3K
VIEWS

Logic AND in Matlab vs Mathematica?

QUESTION FROM: feng wei | 12 years ago BY: Ilian Gachevski
Discrete Mathematics , Mathematica , Mathematics
4
REPLIES
7.8K
VIEWS

Natural logarithm of quotient of two equal numbers

QUESTION FROM: MIkhail Kamrotov | 12 years ago BY: Ilian Gachevski
Mathematica , Mathematics
1
REPLIES
2.8K
VIEWS

How to match length in ToString

QUESTION FROM: kri physics | 12 years ago BY: Christopher French
Mathematics , Physics
2
REPLIES
6K
VIEWS

Help with a ranking function and Mann Whitney Z Statistics

QUESTION FROM: Eduardo Landulfo | 12 years ago BY: Oleksandr Pavlyk
Mathematica , Mathematics , Statistics and Probability
1
REPLIES
7.9K
VIEWS

How to combine continual and discrete function?

QUESTION FROM: Borko Djurovic | 12 years ago BY: Todd Rowland
Computer Science , Game Development , Mathematics , ...
2
REPLIES
11.4K
VIEWS

Visually resolving workflow of polyalphabetic enciphering

QUESTION FROM: Arjan Puniani | 12 years ago BY: Brian Van Vertloo
Computer Science , Dynamic Interactivity , ...
1
REPLIES
14.9K
VIEWS

How to remove the "if" part following the calculation result obtained from Solve?

QUESTION FROM: Wen Dao | 8 hours ago BY: Wen Dao
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
40
VIEWS

My integral is running slow -- why?

QUESTION FROM: Patrick McMullen | 1 day ago BY: Patrick McMullen
Calculus , Mathematics , Wolfram Language
3
REPLIES
48
VIEWS

How to obtain the following equality relationship?

QUESTION FROM: Wen Dao | 2 days ago BY: Updating Name
Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
55
VIEWS

Proving Pythagorean theorem using Trigonometry

QUESTION FROM: Frank Kampas | 13 days ago BY: Ching-Kuang Shene
Geometry , Mathematics , Wolfram Language
3
REPLIES
7.6K
VIEWS

Finding the exact range of a function involving exponential and quadratic terms

QUESTION FROM: Wen Dao | 1 month ago BY: Gianluca Gorni
Optimization , Mathematics , Wolfram Language
2
REPLIES
1K
VIEWS

Calculating the area and perimeter of the curve

QUESTION FROM: Jim Clinton | 1 month ago BY: Jim Clinton
Geometry , Mathematics , Wolfram Language
2
REPLIES
1K
VIEWS

Determining whether a line is tangent to a curve

QUESTION FROM: Wen Dao | 1 month ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
1.1K
VIEWS

Rounding a number to a specific significant figure in Wolfram Alpha is not working properly

QUESTION FROM: Tanvir Zawad | 1 month ago BY: David Keith
Mathematics , Wolfram|Alpha
4
REPLIES
991
VIEWS

Variational iterative method for system fractional DE with Katugampola derivative?

QUESTION FROM: SARIKA SAWANT | 2 months ago BY: Mohammad Bahrami
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
1.1K
VIEWS

Coefficient extraction for x^2, y^2,xy and x,y

QUESTION FROM: Wen Dao | 2 months ago BY: Wen Dao
Algebra , Mathematics , Wolfram Language
4
REPLIES
998
VIEWS

Integral of Sqrt[1-x^2] appears wrong in Wolfram Alpha

QUESTION FROM: M Bennett | 2 months ago BY: M Bennett
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
2
REPLIES
1.3K
VIEWS

How to Use FullSimplify to breakdown algebraic expression

QUESTION FROM: James Parkus | 2 months ago BY: James Parkus
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
1K
VIEWS

Determining the condition for a rational expression in k to be constant: coefficient ratio analys

QUESTION FROM: Jim Clinton | 3 months ago BY: Jim Clinton
Calculus , Mathematics , Wolfram Language
4
REPLIES
1K
VIEWS

Simplifying a term to achieve a certain result

QUESTION FROM: Jim Clinton | 3 months ago BY: Jim Clinton
Algebra , Mathematics , Wolfram Language
4
REPLIES
660
VIEWS

What is wrong with WhenEvent ?

QUESTION FROM: Mikhail Khenner | 3 months ago BY: Mikhail Khenner
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
1.2K
VIEWS

Unexpected results during 2D regions basic Boolean manipulation

QUESTION FROM: Kirill Vasin | 4 months ago BY: Kirill Vasin
Geometry , Mathematics , Wolfram Language
3
REPLIES
946
VIEWS

Elliptic integrals: built-in vs. explicit integration

QUESTION FROM: Davide Gardini | 4 months ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , Wolfram Language
5
REPLIES
848
VIEWS

Visualize correctly a line orthogonal to a plane

QUESTION FROM: Jan Potocki | 4 months ago BY: Jan Potocki
Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
767
VIEWS

Program which finds prime numbers via using an approximation formula

QUESTION FROM: Alexander Povolotsky | 4 months ago BY: Updating Name
Mathematics , Wolfram Language
5
REPLIES
1.1K
VIEWS

Code taking too long time to compute

QUESTION FROM: Ananth Krishna | 4 months ago BY: Gianluca Gorni
Algebra , Astronomy , Graphics and Visualization , Mathematics , ...
1
REPLIES
1.2K
VIEWS

Solving simple equation involving Tan fails

QUESTION FROM: Paul R | 4 months ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
1.4K
VIEWS

Multiplying very long mathematical expressions

QUESTION FROM: Nomsa Ledwaba | 5 months ago BY: Nomsa Ledwaba
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
1.2K
VIEWS

How to solve a couple of ODEs in two variables

QUESTION FROM: Safinaz Salem | 5 months ago BY: Safinaz Salem
Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
994
VIEWS

Cannot plot full OutputResponse

QUESTION FROM: Sai Fisher | 5 months ago BY: Mariusz Iwaniuk
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
1K
VIEWS

Is there a good tutorial on how to use Symbolize to create and use subscripted variables

QUESTION FROM: Edward Davis | 5 months ago BY: Ian Williams
Mathematics , Wolfram Language
2
REPLIES
1.5K
VIEWS

Finding pivots of a matrix with symbols

QUESTION FROM: Xiangyang Zhou | 6 months ago BY: Xiangyang Zhou
Algebra , Mathematics , Symbolic Computations , Wolfram Language
3
REPLIES
1.1K
VIEWS

Do you have 1 simple function that will handle the various types of double integration?

QUESTION FROM: Mary A. Marion | 6 months ago BY: Mary A. Marion
Calculus , Mathematics , Wolfram Language
3
REPLIES
1.2K
VIEWS

Select a special mathematical function

QUESTION FROM: Vladimir Volodin | 6 months ago BY: Gianluca Gorni
Mathematics , Wolfram Language
2
REPLIES
847
VIEWS

Substitute x in f[x] by a function. Fail to find out how to do that

QUESTION FROM: Christer Gustafsson | 6 months ago BY: Christer Gustafsson
Calculus , Mathematics , Wolfram Language
3
REPLIES
1.4K
VIEWS

SurfaceIntegrate[] and Integrate[] functions giving different divergent theorem flux answers

QUESTION FROM: Mitchell Sandlin | 6 months ago BY: Bruno Tenorio
Calculus , Mathematics , Wolfram Language
1
REPLIES
1.5K
VIEWS

Struggling with arbitrary precision in a calculation involving very large and very small numbers

QUESTION FROM: Adam Worthington | 7 months ago BY: Michael Rogers
Calculus , Mathematics , Numerical Computation
1
REPLIES
1.1K
VIEWS

Question on functional derivatives

QUESTION FROM: Yep Led | 7 months ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
1
REPLIES
804
VIEWS

CylindricalDecomposition doesn't finish the process

QUESTION FROM: Jacob Pavelka | 7 months ago BY: Jacob Pavelka
Algebra , Geometry , Mathematics , Wolfram Language
2
REPLIES
937
VIEWS
33
34
35
36
37

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