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

Discussions List Discussions List

Unexpected result in a simple Integral

QUESTION FROM: Reiner Wilhelms | 50 minutes ago
Calculus , Mathematics , Wolfram Language
0
REPLIES
9
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

Floor[Log[4]/Log[2]] gives precision limit error

QUESTION FROM: David Chow | 2 days ago BY: Gianluca Gorni
Mathematics , Wolfram Language
1
REPLIES
76
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

Numerical test for divergence/convergence of integrals on (0, $\infty$)

QUESTION FROM: Denis Ivanov | 6 days ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , ...
1
REPLIES
114
VIEWS

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

QUESTION FROM: Nomsa Ledwaba | 3 days ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Wolfram Language
6
REPLIES
184
VIEWS

Explain SetPrecision and N

QUESTION FROM: Ulrich Utiger | 8 days ago BY: Ulrich Utiger
Graphics and Visualization , High-Performance Computing , ...
5
REPLIES
181
VIEWS

Computation with xAct

QUESTION FROM: Debojyoti Mondal | 18 days ago
Algebra , Equation Solving , Mathematics , Packages , Wolfram Language
0
REPLIES
284
VIEWS

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

QUESTION FROM: Patrick McMullen | 10 days ago BY: Jim Baldwin
Graphics and Visualization , Mathematics , ...
4
REPLIES
216
VIEWS

How do you register functional properties in Mathematica?

QUESTION FROM: Liam Nielson | 20 days ago
Mathematics , Symbolic Computations , Wolfram Language
0
REPLIES
134
VIEWS

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

QUESTION FROM: Reza rho | 20 days ago BY: Reza rho
Calculus , Graphics and Visualization , Mathematics , ...
4
REPLIES
218
VIEWS

Help looping an operation

QUESTION FROM: Nomsa Ledwaba | 22 days ago
Mathematics , Wolfram Language
0
REPLIES
143
VIEWS

Computed my number with hundred million digits

QUESTION FROM: Mark Raygorodsky | 26 days ago BY: Mark Raygorodsky
Mathematics , Wolfram Language
2
REPLIES
239
VIEWS

Enter 2x3 matrices into Wolfram Problem Generator

QUESTION FROM: M K | 1 month ago
Algebra , Mathematics , Wolfram|Alpha
0
REPLIES
492
VIEWS

Computing integral errors: Mathematica vs Matlab Simulink

QUESTION FROM: Housam Binous | 1 month ago
Chemistry , Control Systems , Engineering , ...
0
REPLIES
453
VIEWS

Seeking examples of "Ruliology"

QUESTION FROM: Ellynne DEC | 1 month ago BY: Ellynne DEC
Mathematics , Physics , Wolfram Language , Wolfram Science
4
REPLIES
701
VIEWS

Automated completing the square for multivariate polynomials with mixed quadratic forms

QUESTION FROM: Wen Dao | 1 month ago BY: Daniel Lichtblau
Algebra , Mathematics , Wolfram Language
3
REPLIES
712
VIEWS

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

QUESTION FROM: Wen Dao | 1 month ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
1
REPLIES
636
VIEWS

Anticommuting spinor calculations

QUESTION FROM: Todd Rowland | 1 month ago BY: Mohammad Bahrami
Algebra , Mathematics , Numerical Computation , Physics , ...
1
REPLIES
698
VIEWS

Best optimization for maximum entropy?

QUESTION FROM: Gareth Russell | 1 month ago BY: Gareth Russell
Optimization , Mathematics , Numerical Computation , ...
6
REPLIES
821
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
741
VIEWS

WolframAlpha API returns CalculateUtilities wrapper within MathML output

QUESTION FROM: Jörn Loviscach | 1 month ago
Mathematics , Wolfram|Alpha
0
REPLIES
679
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
913
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

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
1K
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
970
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
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

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
702
VIEWS

Norm[] of real vector

QUESTION FROM: Jay Gourley | 2 months ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
3
REPLIES
1K
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
998
VIEWS

Different outputs when using numerics vs variables

QUESTION FROM: Clifford Kelley | 5 hours ago BY: Clifford Kelley
Mathematics , Wolfram Language
6
REPLIES
766
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
614
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
656
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
1.1K
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
1.2K
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

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
751
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
1
2
3
4
5

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ACTIVE MEMBERS
rewtnode
Reiner Wilhelms
50 minutes ago
studymma168
Wen Dao
8 hours ago
mcmullpr
Patrick McMullen
1 day ago
kchiu138
David Chow
2 days ago
shenghuiy
Shenghui Yang
6 days ago
mthiel
Marco Thiel
4 days ago
edp
Ed Pegg
23 days ago

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