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

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Using DSolve butFailing to obtain a list of equations expected instead of True in the first argument

QUESTION FROM: Nomsa Ledwaba | 2 days ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
50
VIEWS

Explain SetPrecision and N

QUESTION FROM: Ulrich Utiger | 3 days ago BY: Ulrich Utiger
Graphics and Visualization , High-Performance Computing , ...
3
REPLIES
81
VIEWS

Computation with xAct

QUESTION FROM: Debojyoti Mondal | 8 days ago
Algebra , Equation Solving , Mathematics , Packages , Wolfram Language
0
REPLIES
152
VIEWS

Finding the density function for the absolute difference between two random variables

QUESTION FROM: Patrick McMullen | 21 hours ago BY: Jim Baldwin
Graphics and Visualization , Mathematics , ...
4
REPLIES
153
VIEWS

How do you register functional properties in Mathematica?

QUESTION FROM: Liam Nielson | 10 days ago
Mathematics , Symbolic Computations , Wolfram Language
0
REPLIES
92
VIEWS

Why does my Mathematica program use 100% CPU but very little RAM and still not finish after hours?

QUESTION FROM: Reza rho | 10 days ago BY: Reza rho
Calculus , Graphics and Visualization , Mathematics , ...
4
REPLIES
155
VIEWS

Help looping an operation

QUESTION FROM: Nomsa Ledwaba | 12 days ago
Mathematics , Wolfram Language
0
REPLIES
97
VIEWS

Computed my number with hundred million digits

QUESTION FROM: Mark Raygorodsky | 16 days ago BY: Mark Raygorodsky
Mathematics , Wolfram Language
2
REPLIES
181
VIEWS

Enter 2x3 matrices into Wolfram Problem Generator

QUESTION FROM: M K | 23 days ago
Algebra , Mathematics , Wolfram|Alpha
0
REPLIES
455
VIEWS

Computing integral errors: Mathematica vs Matlab Simulink

QUESTION FROM: Housam Binous | 26 days ago
Chemistry , Control Systems , Engineering , ...
0
REPLIES
397
VIEWS

Seeking examples of "Ruliology"

QUESTION FROM: Ellynne DEC | 20 days ago BY: Ellynne DEC
Mathematics , Physics , Wolfram Language , Wolfram Science
4
REPLIES
637
VIEWS

Automated completing the square for multivariate polynomials with mixed quadratic forms

QUESTION FROM: Wen Dao | 25 days ago BY: Daniel Lichtblau
Algebra , Mathematics , Wolfram Language
3
REPLIES
620
VIEWS

How to modify this code to correctly analyze the monotonicity of a function over a given interval

QUESTION FROM: Wen Dao | 28 days ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
1
REPLIES
588
VIEWS

Anticommuting spinor calculations

QUESTION FROM: Todd Rowland | 28 days ago BY: Mohammad Bahrami
Algebra , Mathematics , Numerical Computation , Physics , ...
1
REPLIES
623
VIEWS

Best optimization for maximum entropy?

QUESTION FROM: Gareth Russell | 28 days ago BY: Gareth Russell
Optimization , Mathematics , Numerical Computation , ...
6
REPLIES
754
VIEWS

Prefactor for symmetrize to match standard definition of wedge tensors with full antisymmetry

QUESTION FROM: Izhak Manilov | 1 month ago BY: Izhak Manilov
Algebra , Calculus , Mathematics , Wolfram Language
1
REPLIES
669
VIEWS

WolframAlpha API returns CalculateUtilities wrapper within MathML output

QUESTION FROM: Jörn Loviscach | 1 month ago
Mathematics , Wolfram|Alpha
0
REPLIES
651
VIEWS

Why isn't the graph of the equation a line and a circle?

QUESTION FROM: Wen Dao | 1 month ago BY: Gianluca Gorni
Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
875
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
981
VIEWS

Is there a function that predicts local minimums in 0<x<1 for this function?

QUESTION FROM: Jack Fallows | 1 month ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
2
REPLIES
994
VIEWS

Solve function yields empty set answer

QUESTION FROM: Jay Schultz | 1 month ago BY: Hekarl Uzir
Algebra , Equation Solving , Mathematics , Wolfram Language
7
REPLIES
1.4K
VIEWS

Ordering four points into a closed quadrilateral with Wolfram

QUESTION FROM: Jim Clinton | 1 month ago BY: Hans Milton
Graphics and Visualization , Mathematics , Wolfram Language
4
REPLIES
1K
VIEWS

Keyboard shortcut for the pseudo inverse

QUESTION FROM: Paul Cally | 1 month ago
Algebra , Mathematics , User Interface , Wolfram Language
0
REPLIES
922
VIEWS

Unexpected result from Area of polygon?

QUESTION FROM: Jim Clinton | 1 month ago BY: Jim Clinton
Geometry , Mathematics , Wolfram Language
3
REPLIES
1.1K
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

Does the added notebook reveal a buck in function VectorPlot?

QUESTION FROM: Ulrich Mutze | 1 month ago BY: Gianluca Gorni
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
1.1K
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
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
947
VIEWS

How to complete the square for a specific part of an expression?

QUESTION FROM: Wen Dao | 2 months ago BY: Gianluca Gorni
Mathematics , Wolfram Language
5
REPLIES
649
VIEWS

Norm[] of real vector

QUESTION FROM: Jay Gourley | 2 months ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
3
REPLIES
970
VIEWS

Equations of the sides of a regular octagon inscribed in x² + y² = 2 with four vertices on the axes

QUESTION FROM: Wen Dao | 2 months ago BY: Wen Dao
Geometry , Mathematics , Wolfram Language
4
REPLIES
945
VIEWS

Different outputs when using numerics vs variables

QUESTION FROM: Clifford Kelley | 2 months ago BY: Bill Nelson
Mathematics , Wolfram Language
5
REPLIES
693
VIEWS

How to draw the asymptotes of the tangent function as red dashed lines?

QUESTION FROM: Jim Clinton | 2 months ago BY: Eric Rimbey
Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
559
VIEWS

FunctionRange with unit circle and fixed angle constraints takes long time

QUESTION FROM: Wen Dao | 2 months ago BY: Wen Dao
Mathematics , Tuning and Debugging , Wolfram Language
11
REPLIES
1.1K
VIEWS

Solve numericizes after turning mathematica off and on again

QUESTION FROM: Luis Felipe Massena Misiec | 2 months ago BY: Luis Felipe Massena Misiec
Data Science , Equation Solving , Image Processing , Mathematics , ...
6
REPLIES
1.3K
VIEWS

Wolfram Alpha queries give missing() on the step-by-step in V14.3

QUESTION FROM: Larry Dale Snelling | 2 months ago
Mathematics , Wolfram|Alpha , Wolfram|Alpha Integration
0
REPLIES
615
VIEWS

Why does the result obtained using this method turn out to be incorrect?

QUESTION FROM: Wen Dao | 2 months ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
1.1K
VIEWS

How to compare sizes/orders using a logarithmic equality?

QUESTION FROM: Wen Dao | 2 months ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
1.1K
VIEWS

Separating variables *a* and *b* in a transcendental equation

QUESTION FROM: Wen Dao | 2 months ago BY: Wen Dao
Algebra , Mathematics , Symbolic Computations , Wolfram Language
6
REPLIES
1K
VIEWS

Evaluate the validity of the inequalities under the given conditions

QUESTION FROM: Wen Dao | 2 months ago BY: Wen Dao
Algebra , Equation Solving , Mathematics , Wolfram Language
4
REPLIES
1.1K
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
945
VIEWS

How can I get the calculation result to show as a percentage?

QUESTION FROM: Jeff Li | 2 months ago BY: Bill Nelson
Mathematics , Wolfram|Alpha
1
REPLIES
709
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
1.2K
VIEWS

What's missing in connection between the prime number theorem and the MRB constant?

QUESTION FROM: Marvin Ray Burns A.G.S. (cum laude) | 2 months ago
Graphics and Visualization , Mathematics , Numerical Computation , ...
0
REPLIES
706
VIEWS

Getting empty plot?

QUESTION FROM: Ehsan Staretud1 | 2 months ago BY: Mariusz Iwaniuk
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
553
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

Implementing "Master Series" (msr) function in Wolfram Alpha

QUESTION FROM: Sergey Berezin | 3 months ago
Mathematics , Wolfram|Alpha
0
REPLIES
516
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
980
VIEWS

Does Wolfram have any plan to support elliptic curve?

QUESTION FROM: wayne wang | 3 months ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
412
VIEWS

Interval boundary m when a quadratic has min 2 and max 3

QUESTION FROM: Jim Clinton | 2 months ago BY: Gianluca Gorni
Mathematics , Wolfram Language
9
REPLIES
741
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
631
VIEWS

Divergence of a tensor in curvilinear coordinates

QUESTION FROM: Sinval Santos | 3 months ago
Mathematics , Wolfram Language
0
REPLIES
335
VIEWS

Dividing Polynomials by Coefficients to Obtain a Specific Form in Mathematica

QUESTION FROM: Jim Clinton | 3 months ago BY: Updating Name
Mathematics
1
REPLIES
529
VIEWS

Converting a Venn diagram into a logic statement

QUESTION FROM: Mitchell Sandlin | 3 months ago
Graphics and Visualization , Logic and Boolean Algebra , ...
0
REPLIES
595
VIEWS

What is wrong with WhenEvent ?

QUESTION FROM: Mikhail Khenner | 3 months ago BY: Mikhail Khenner
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
1.1K
VIEWS

The Dædælus efficiency model: a formal comparison of bandwidth- and transaction-multiplexing

QUESTION FROM: Dean Gladish | 3 months ago
Discrete Mathematics , Graphics and Visualization , Mathematics , ...
0
REPLIES
883
VIEWS

How can I do the derivative of a Hankel function with respect to complex order (nu)?

QUESTION FROM: scintific1 math | 3 months ago BY: scintific1 math
Calculus , Mathematics , Physics , Wolfram Language
9
REPLIES
974
VIEWS

Error trying to assign values for a tensor

QUESTION FROM: Eran Lavi | 3 months ago
Algebra , Mathematics , Physics , Wolfram Language
0
REPLIES
601
VIEWS

Efficiently Computing Piecewise Function Definitions Over an Interval Without Manual Steps

QUESTION FROM: Jim Clinton | 3 months ago BY: Jim Clinton
Mathematics , Wolfram Language
4
REPLIES
713
VIEWS

How to numerically solve a master equation for a time-dependent 3-qubit density matrix in Mathematic

QUESTION FROM: Reza rho | 3 months ago BY: David Trimas
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
1.2K
VIEWS

Unexpected use of k$ notation in output of Reduce?

QUESTION FROM: Lucas Tubacki | 3 months ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
1.6K
VIEWS

Defining a partial derivative operator with inactive variable

QUESTION FROM: Átila Saraiva Quintela Soares | 3 months ago BY: Gianluca Gorni
Algebra , Calculus , Mathematics , Wolfram Language
1
REPLIES
619
VIEWS

Using NIntegrate with nested integrals

QUESTION FROM: Max Shpak | 3 months ago BY: Max Shpak
Calculus , Mathematics , Numerical Computation , Wolfram Language
6
REPLIES
789
VIEWS

Can't finish calculation pertaining to elementary particles and the TOE

QUESTION FROM: Eran Lavi | 3 months ago BY: Eran Lavi
Algebra , Equation Solving , Mathematics , Physics , Wolfram Language
4
REPLIES
1.1K
VIEWS

Simplify an expression to a known value ( continuation )

QUESTION FROM: José Luis Garrido | 4 months ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
469
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
878
VIEWS

Simplify an expression to a known value

QUESTION FROM: José Luis Garrido | 4 months ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
1
REPLIES
697
VIEWS

Fully factor polynomial with complex roots

QUESTION FROM: Joseph Stavitsky | 4 months ago BY: Michael Rogers
Algebra , Mathematics , Wolfram Language
4
REPLIES
665
VIEWS

Getting the Jacobian with FindRoot output

QUESTION FROM: Housam Binous | 4 months ago BY: Daniel Lichtblau
Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
881
VIEWS

Finding a deductive proof for a conjecture

QUESTION FROM: David Vasholz | 4 months ago BY: Daniel Lichtblau
Mathematics , Wolfram Language
4
REPLIES
1.1K
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
799
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
732
VIEWS

Overflow calculating the last 10, 000 digits of (((96717311574016^16777216^4)^8^4)^7)^2

QUESTION FROM: Mark Raygorodsky | 4 months ago BY: Mark Raygorodsky
Computer Science , Mathematics , Numerical Computation , ...
23
REPLIES
1.5K
VIEWS

Why can't we find real and imaginary parts using Assuming?

QUESTION FROM: Ernst Huijer | 4 months ago BY: Eric Rimbey
Mathematics , Wolfram Language
6
REPLIES
879
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

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

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
1K
VIEWS

How do I get the real values of one variable out of a ReImPlot plot?

QUESTION FROM: Nikita Averin | 5 months ago BY: Gianluca Gorni
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
918
VIEWS

Errors in solving a complex equation: FindRoot and NIntegrate cannot converge

QUESTION FROM: S. Gallagher | 5 months ago
Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
1K
VIEWS

Solve geometric quantities using GeometricScene

QUESTION FROM: Xiangyang Zhou | 5 months ago BY: Gianluca Gorni
Geometry , Mathematics , Wolfram Language
8
REPLIES
1.2K
VIEWS

Debugging fitting data and empty plot

QUESTION FROM: Sahrawi Chaib | 5 months ago BY: Michael Rogers
Data Science , Graphics and Visualization , Optimization , ...
4
REPLIES
1K
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
966
VIEWS

CircularArcThrough doesn't behave as expected in V14.2

QUESTION FROM: Claudio Arcanjo | 5 months ago BY: Gianluca Gorni
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
1K
VIEWS

Partial derivative notation and output

QUESTION FROM: dor gelem | 5 months ago BY: dor gelem
Calculus , Mathematics , Wolfram Language
4
REPLIES
1.4K
VIEWS

How to get nontrivial solution of differential equation (Euler buckling load)?

QUESTION FROM: Ralph Schenn | 5 months ago BY: Ralph Schenn
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
1.7K
VIEWS

Is it possible for Canvas to smooth an already drawn path?

QUESTION FROM: Diego Ramos | 5 months ago
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
679
VIEWS

Use Assistant to prove Possible connection of space diagonal to side to the MRB constant?

QUESTION FROM: Marvin Ray Burns A.G.S. (cum laude) | 5 months ago BY: Marvin Ray Burns A.G.S. (cum laude)
Mathematics
1
REPLIES
1.2K
VIEWS

Checking whether Hessian matrix of a function is positive semidefinite on a hypercube

QUESTION FROM: Amir A. | 5 months ago BY: Amir A.
Algebra , Mathematics , Wolfram Language
6
REPLIES
1.1K
VIEWS

DSolve crashes on elementary differential equations

QUESTION FROM: Jean-Michel Charles Collard-Richard | 5 months ago BY: Updating Name
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
1.6K
VIEWS

How to speed up numerical calculations of the inverse method in game theory？

QUESTION FROM: yanshao Wang | 5 months ago BY: yanshao Wang
Optimization , Mathematics , Numerical Computation , ...
1
REPLIES
1.1K
VIEWS

About 3D plot and there are some strange white part

QUESTION FROM: lede li | 5 months ago BY: Gianluca Gorni
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
951
VIEWS

Computation of the prime pi function in Mathematica using the zeros ZetaZero[i] (Riemann function)

QUESTION FROM: Thomas Waring | 5 months ago
Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
695
VIEWS

Self-referential recurrence

QUESTION FROM: Paul Abbott | 5 months ago BY: Daniel Lichtblau
Discrete Mathematics , Mathematics
8
REPLIES
2K
VIEWS

Why doesn't Wolfram compute Ceiling[x] = 1 + Floor[x]?

QUESTION FROM: Sasha Mandra | 5 months ago BY: Michael Rogers
Algebra , Mathematics , Wolfram Language
16
REPLIES
2K
VIEWS

DSolve not working for given system

QUESTION FROM: maxim knyazev | 5 months ago BY: David Keith
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
1.6K
VIEWS

Cannot plot full OutputResponse

QUESTION FROM: Sai Fisher | 5 months ago BY: Mariusz Iwaniuk
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
997
VIEWS

Traditional division of integers with remainder in Wolfram

QUESTION FROM: Sasha Mandra | 5 months ago BY: Eric Rimbey
Mathematics , Wolfram Language
16
REPLIES
1.6K
VIEWS

Generating natural structures with Wolfram

QUESTION FROM: Denis Ivanov | 5 months ago BY: Denis Ivanov
Biological Sciences , Equation Solving , Mathematics , Modeling , ...
2
REPLIES
1.4K
VIEWS
1
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