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

QUESTION FROM: Wen Dao | 1 hour ago BY: Gianluca Gorni
Geometry , Mathematics , Wolfram Language
1
REPLIES
26
VIEWS

Different outputs when using numerics vs variables

QUESTION FROM: Clifford Kelley | 1 day ago BY: Bill Nelson
Mathematics , Wolfram Language
5
REPLIES
197
VIEWS

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

QUESTION FROM: Jim Clinton | 4 days ago BY: Eric Rimbey
Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
174
VIEWS

FunctionRange with unit circle and fixed angle constraints takes long time

QUESTION FROM: Wen Dao | 4 hours ago BY: Michael Rogers
Mathematics , Tuning and Debugging , Wolfram Language
9
REPLIES
231
VIEWS

Solve numericizes after turning mathematica off and on again

QUESTION FROM: Luis Felipe Massena Misiec | 5 days ago BY: Luis Felipe Massena Misiec
Data Science , Equation Solving , Image Processing , Mathematics , ...
6
REPLIES
221
VIEWS

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

QUESTION FROM: Larry Dale Snelling | 8 days ago
Mathematics , Wolfram|Alpha , Wolfram|Alpha Integration
0
REPLIES
165
VIEWS

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

QUESTION FROM: Wen Dao | 9 days ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
175
VIEWS

How to compare sizes/orders using a logarithmic equality?

QUESTION FROM: Wen Dao | 9 days ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
193
VIEWS

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

QUESTION FROM: Wen Dao | 9 days ago BY: Wen Dao
Algebra , Mathematics , Symbolic Computations , Wolfram Language
6
REPLIES
201
VIEWS

Evaluate the validity of the inequalities under the given conditions

QUESTION FROM: Wen Dao | 9 days ago BY: Wen Dao
Algebra , Equation Solving , Mathematics , Wolfram Language
4
REPLIES
220
VIEWS

Variational iterative method for system fractional DE with Katugampola derivative?

QUESTION FROM: SARIKA SAWANT | 12 days ago BY: Mohammad Bahrami
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
197
VIEWS

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

QUESTION FROM: Wen Dao | 12 days ago BY: Wen Dao
Algebra , Mathematics , Wolfram Language
4
REPLIES
206
VIEWS

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

QUESTION FROM: Jeff Li | 14 days ago BY: Bill Nelson
Mathematics , Wolfram|Alpha
1
REPLIES
215
VIEWS

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

QUESTION FROM: M Bennett | 19 days ago BY: M Bennett
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
2
REPLIES
230
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) | 23 days ago
Graphics and Visualization , Mathematics , Numerical Computation , ...
0
REPLIES
192
VIEWS

Getting empty plot?

QUESTION FROM: Ehsan Staretud1 | 24 days ago BY: Mariusz Iwaniuk
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
175
VIEWS

How to Use FullSimplify to breakdown algebraic expression

QUESTION FROM: James Parkus | 21 days ago BY: James Parkus
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
230
VIEWS

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

QUESTION FROM: Sergey Berezin | 25 days ago
Mathematics , Wolfram|Alpha
0
REPLIES
118
VIEWS

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

QUESTION FROM: Jim Clinton | 25 days ago BY: Jim Clinton
Calculus , Mathematics , Wolfram Language
4
REPLIES
296
VIEWS

Does Wolfram have any plan to support elliptic curve?

QUESTION FROM: wayne wang | 28 days ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
224
VIEWS

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

QUESTION FROM: Jim Clinton | 20 days ago BY: Gianluca Gorni
Mathematics , Wolfram Language
9
REPLIES
410
VIEWS

Simplifying a term to achieve a certain result

QUESTION FROM: Jim Clinton | 26 days ago BY: Jim Clinton
Algebra , Mathematics , Wolfram Language
4
REPLIES
345
VIEWS

Divergence of a tensor in curvilinear coordinates

QUESTION FROM: Sinval Santos | 1 month ago
Mathematics , Wolfram Language
0
REPLIES
158
VIEWS

Dividing Polynomials by Coefficients to Obtain a Specific Form in Mathematica

QUESTION FROM: Jim Clinton | 1 month ago BY: Updating Name
Mathematics
1
REPLIES
334
VIEWS

Converting a Venn diagram into a logic statement

QUESTION FROM: Mitchell Sandlin | 1 month ago
Graphics and Visualization , Logic and Boolean Algebra , ...
0
REPLIES
314
VIEWS

What is wrong with WhenEvent ?

QUESTION FROM: Mikhail Khenner | 1 month ago BY: Mikhail Khenner
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
407
VIEWS

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

QUESTION FROM: Dean Gladish | 1 month ago
Discrete Mathematics , Graphics and Visualization , Mathematics , ...
0
REPLIES
322
VIEWS

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

QUESTION FROM: scintific1 math | 1 month ago BY: scintific1 math
Calculus , Mathematics , Physics , Wolfram Language
9
REPLIES
585
VIEWS

Error trying to assign values for a tensor

QUESTION FROM: Eran Lavi | 1 month ago
Algebra , Mathematics , Physics , Wolfram Language
0
REPLIES
440
VIEWS

Efficiently Computing Piecewise Function Definitions Over an Interval Without Manual Steps

QUESTION FROM: Jim Clinton | 1 month ago BY: Jim Clinton
Mathematics , Wolfram Language
4
REPLIES
493
VIEWS

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

QUESTION FROM: Reza rho | 1 month ago BY: David Trimas
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
424
VIEWS

Unexpected use of k$ notation in output of Reduce?

QUESTION FROM: Lucas Tubacki | 1 month ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
736
VIEWS

Defining a partial derivative operator with inactive variable

QUESTION FROM: Átila Saraiva Quintela Soares | 1 month ago BY: Gianluca Gorni
Algebra , Calculus , Mathematics , Wolfram Language
1
REPLIES
384
VIEWS

Using NIntegrate with nested integrals

QUESTION FROM: Max Shpak | 1 month ago BY: Max Shpak
Calculus , Mathematics , Numerical Computation , Wolfram Language
6
REPLIES
436
VIEWS

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

QUESTION FROM: Eran Lavi | 1 month ago BY: Eran Lavi
Algebra , Equation Solving , Mathematics , Physics , Wolfram Language
4
REPLIES
466
VIEWS

Simplify an expression to a known value ( continuation )

QUESTION FROM: José Luis Garrido | 2 months ago
Algebra , Mathematics , Wolfram Language
0
REPLIES
260
VIEWS

Unexpected results during 2D regions basic Boolean manipulation

QUESTION FROM: Kirill Vasin | 2 months ago BY: Kirill Vasin
Geometry , Mathematics , Wolfram Language
3
REPLIES
534
VIEWS

Simplify an expression to a known value

QUESTION FROM: José Luis Garrido | 2 months ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
1
REPLIES
433
VIEWS

Fully factor polynomial with complex roots

QUESTION FROM: Joseph Stavitsky | 2 months ago BY: Michael Rogers
Algebra , Mathematics , Wolfram Language
4
REPLIES
458
VIEWS

Getting the Jacobian with FindRoot output

QUESTION FROM: Housam Binous | 2 months ago BY: Daniel Lichtblau
Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
535
VIEWS

Finding a deductive proof for a conjecture

QUESTION FROM: David Vasholz | 2 months ago BY: Daniel Lichtblau
Mathematics , Wolfram Language
4
REPLIES
651
VIEWS

Elliptic integrals: built-in vs. explicit integration

QUESTION FROM: Davide Gardini | 2 months ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , Wolfram Language
5
REPLIES
552
VIEWS

Visualize correctly a line orthogonal to a plane

QUESTION FROM: Jan Potocki | 2 months ago BY: Jan Potocki
Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
487
VIEWS

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

QUESTION FROM: Mark Raygorodsky | 2 months ago BY: Mark Raygorodsky
Computer Science , Mathematics , Numerical Computation , ...
23
REPLIES
935
VIEWS

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

QUESTION FROM: Ernst Huijer | 2 months ago BY: Eric Rimbey
Mathematics , Wolfram Language
6
REPLIES
621
VIEWS

Solving simple equation involving Tan fails

QUESTION FROM: Paul R | 2 months ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
789
VIEWS

Code taking too long time to compute

QUESTION FROM: Ananth Krishna | 2 months ago BY: Gianluca Gorni
Algebra , Astronomy , Graphics and Visualization , Mathematics , ...
1
REPLIES
812
VIEWS

Program which finds prime numbers via using an approximation formula

QUESTION FROM: Alexander Povolotsky | 2 months ago BY: Updating Name
Mathematics , Wolfram Language
5
REPLIES
782
VIEWS

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

QUESTION FROM: Nikita Averin | 3 months ago BY: Gianluca Gorni
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
695
VIEWS

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

QUESTION FROM: S. Gallagher | 3 months ago
Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
530
VIEWS

Solve geometric quantities using GeometricScene

QUESTION FROM: Xiangyang Zhou | 3 months ago BY: Gianluca Gorni
Geometry , Mathematics , Wolfram Language
8
REPLIES
881
VIEWS

Debugging fitting data and empty plot

QUESTION FROM: Sahrawi Chaib | 3 months ago BY: Michael Rogers
Data Science , Graphics and Visualization , Optimization , ...
4
REPLIES
788
VIEWS

Multiplying very long mathematical expressions

QUESTION FROM: Nomsa Ledwaba | 3 months ago BY: Nomsa Ledwaba
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
915
VIEWS

How to solve a couple of ODEs in two variables

QUESTION FROM: Safinaz Salem | 3 months ago BY: Safinaz Salem
Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
710
VIEWS

CircularArcThrough doesn't behave as expected in V14.2

QUESTION FROM: Claudio Arcanjo | 3 months ago BY: Gianluca Gorni
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
781
VIEWS

Partial derivative notation and output

QUESTION FROM: dor gelem | 3 months ago BY: dor gelem
Calculus , Mathematics , Wolfram Language
4
REPLIES
1.1K
VIEWS

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

QUESTION FROM: Ralph Schenn | 3 months ago BY: Ralph Schenn
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
1.3K
VIEWS

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

QUESTION FROM: Diego Ramos | 3 months ago
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
546
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) | 3 months ago BY: Marvin Ray Burns A.G.S. (cum laude)
Mathematics
1
REPLIES
907
VIEWS

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

QUESTION FROM: Amir A. | 3 months ago BY: Amir A.
Algebra , Mathematics , Wolfram Language
6
REPLIES
914
VIEWS

DSolve crashes on elementary differential equations

QUESTION FROM: Jean-Michel Charles Collard-Richard | 3 months ago BY: Updating Name
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
1.3K
VIEWS

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

QUESTION FROM: yanshao Wang | 3 months ago BY: yanshao Wang
Optimization , Mathematics , Numerical Computation , ...
1
REPLIES
715
VIEWS

About 3D plot and there are some strange white part

QUESTION FROM: lede li | 3 months ago BY: Gianluca Gorni
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
754
VIEWS

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

QUESTION FROM: Thomas Waring | 3 months ago
Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
535
VIEWS

Self-referential recurrence

QUESTION FROM: Paul Abbott | 3 months ago BY: Daniel Lichtblau
Discrete Mathematics , Mathematics
8
REPLIES
1.3K
VIEWS

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

QUESTION FROM: Sasha Mandra | 3 months ago BY: Michael Rogers
Algebra , Mathematics , Wolfram Language
16
REPLIES
1.6K
VIEWS

DSolve not working for given system

QUESTION FROM: maxim knyazev | 3 months ago BY: David Keith
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
1.1K
VIEWS

Cannot plot full OutputResponse

QUESTION FROM: Sai Fisher | 3 months ago BY: Mariusz Iwaniuk
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
819
VIEWS

Traditional division of integers with remainder in Wolfram

QUESTION FROM: Sasha Mandra | 3 months ago BY: Eric Rimbey
Mathematics , Wolfram Language
16
REPLIES
1.3K
VIEWS

Generating natural structures with Wolfram

QUESTION FROM: Denis Ivanov | 3 months ago BY: Denis Ivanov
Biological Sciences , Equation Solving , Mathematics , Modeling , ...
2
REPLIES
1K
VIEWS

Need explanation for FullSimplify result of mathematical expression

QUESTION FROM: Sasha Mandra | 3 months ago BY: Sasha Mandra
Mathematics , Symbolic Computations , Wolfram Language
6
REPLIES
946
VIEWS

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

QUESTION FROM: Edward Davis | 3 months ago BY: Ian Williams
Mathematics , Wolfram Language
2
REPLIES
1.1K
VIEWS

Induced probability distribution of arbitrary functions

QUESTION FROM: Jeremy Murphy | 3 months ago BY: Jim Baldwin
Mathematics , Statistics and Probability , Wolfram Language
2
REPLIES
1.1K
VIEWS

Any way to effectively resolve this integral?

QUESTION FROM: Leslaw Bieniasz | 4 months ago BY: Leslaw Bieniasz
Calculus , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
1.3K
VIEWS

Unreadabe output of an expression

QUESTION FROM: Hans-Friedrich Pfeiffer | 4 months ago BY: Gianluca Gorni
Mathematics , Wolfram Language
1
REPLIES
576
VIEWS

Porosity calculation of complex three-dimensional model

QUESTION FROM: 扬 崔 | 4 months ago BY: 扬 崔
3D Printing , Discrete Mathematics , Geometry , ...
4
REPLIES
986
VIEWS

Does this plot in cylindrical coordinates look correct?

QUESTION FROM: Chris Cantrell | 4 months ago BY: Chris Cantrell
Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
662
VIEWS

Finding pivots of a matrix with symbols

QUESTION FROM: Xiangyang Zhou | 4 months ago BY: Xiangyang Zhou
Algebra , Mathematics , Symbolic Computations , Wolfram Language
3
REPLIES
812
VIEWS

Display 16 digits after the decimal place?

QUESTION FROM: Jean-Michel Charles Collard-Richard | 4 months ago BY: Jean-Michel Charles Collard-Richard
Mathematics , Wolfram Language
5
REPLIES
1.2K
VIEWS

Input issues perhaps with - ContourIntegrate

QUESTION FROM: Venkat Sastry | 4 months ago
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
0
REPLIES
897
VIEWS

Negation of IntegerQ in replacement condition causes error?

QUESTION FROM: Dennis Caro | 4 months ago BY: Eric Rimbey
Mathematics , Wolfram Language
4
REPLIES
813
VIEWS

Request resources for mathematical foundations of higher-order topological dynamics in networks

QUESTION FROM: Amin Cheikhi | 4 months ago BY: Daniel Lichtblau
Algebra , Calculus , Discrete Mathematics , Mathematics , ...
3
REPLIES
1.4K
VIEWS

Equations cannot be solved by Wolfram Alpha

QUESTION FROM: La Lu | 4 months ago BY: Marvin Ray Burns A.G.S. (cum laude)
Equation Solving , Mathematics , Wolfram|Alpha
9
REPLIES
2.2K
VIEWS

Variable as an argument to Part

QUESTION FROM: Sasha Mandra | 4 months ago BY: Gianluca Gorni
Mathematics , Symbolic Computations , Wolfram Language
5
REPLIES
1K
VIEWS

Help finding max number of combinations of letters and numbers with constraints and create a list

QUESTION FROM: praveer escrow | 4 months ago BY: Ahmed Elbanna
Mathematics , Wolfram Language
6
REPLIES
1.7K
VIEWS

Select a special mathematical function

QUESTION FROM: Vladimir Volodin | 4 months ago BY: Gianluca Gorni
Mathematics , Wolfram Language
2
REPLIES
664
VIEWS

Square root of the square of a complex number

QUESTION FROM: Sasha Mandra | 4 months ago BY: Michael Rogers
Algebra , Mathematics , Symbolic Computations , Wolfram Language
8
REPLIES
1K
VIEWS

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

QUESTION FROM: Mary A. Marion | 4 months ago BY: Mary A. Marion
Calculus , Mathematics , Wolfram Language
3
REPLIES
917
VIEWS

Help with optimum initial conditions for electron interaction

QUESTION FROM: Arif Khan | 4 months ago
Calculus , Equation Solving , Graphics and Visualization , ...
0
REPLIES
570
VIEWS

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

QUESTION FROM: Christer Gustafsson | 4 months ago BY: Christer Gustafsson
Calculus , Mathematics , Wolfram Language
3
REPLIES
1.1K
VIEWS

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

QUESTION FROM: Mitchell Sandlin | 4 months ago BY: Bruno Tenorio
Calculus , Mathematics , Wolfram Language
1
REPLIES
1.1K
VIEWS

Derivatives are not evaluated when substituted in differential equation

QUESTION FROM: Christer Gustafsson | 4 months ago BY: Christer Gustafsson
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
824
VIEWS

How can I correct the following code to produce the expected result?

QUESTION FROM: Xu Xu | 4 months ago BY: Xu Xu
Algebra , Equation Solving , Mathematics , Physics , ...
8
REPLIES
1.5K
VIEWS

Simplify x-x is not evaluated to zero

QUESTION FROM: Christer Gustafsson | 4 months ago BY: Christer Gustafsson
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
874
VIEWS

Possible error in solving Improper integral

QUESTION FROM: José Luis Garrido | 4 months ago BY: Daniel Lichtblau
Calculus , Mathematics , Numerical Computation , Wolfram Language
10
REPLIES
1.1K
VIEWS

Parallel computing a matrix with different variable for each kernel

QUESTION FROM: Ulrich Utiger | 4 months ago BY: Ulrich Utiger
High-Performance Computing , Mathematics , Wolfram Language
2
REPLIES
1K
VIEWS

Unexpected result in equation elimination from Wolfram Alpha

QUESTION FROM: Ron Hartikka | 4 months ago BY: Ron Hartikka
Algebra , Equation Solving , Mathematics , Wolfram|Alpha
2
REPLIES
1.1K
VIEWS

Create a VectorPlot3D using a parametric equation

QUESTION FROM: Mitchell Sandlin | 4 months ago BY: Gianluca Gorni
Graphics and Visualization , Mathematics , Wolfram Language
3
REPLIES
1.1K
VIEWS

Find the cross section profile of an STL mesh

QUESTION FROM: Stuart Cowper | 5 months ago BY: Ian Williams
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
7
REPLIES
1.6K
VIEWS

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

QUESTION FROM: Adam Worthington | 5 months ago BY: Michael Rogers
Calculus , Mathematics , Numerical Computation
1
REPLIES
917
VIEWS
1
2
3
4
5

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