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

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Jacobian matrix of two functions

QUESTION FROM: Evan Cooch | 0 months ago BY: kaylene ginny
Algebra , Mathematics , Wolfram Language
8
REPLIES
3.1K
VIEWS

QRDecomposition outcome from two "almost identical matrices" are different

QUESTION FROM: ddtty kuso | 1 year ago BY: Daniel Lichtblau
Algebra , Mathematics , Wolfram Language
3
REPLIES
2.4K
VIEWS

Possible topic for publication on Community

QUESTION FROM: Denis Ivanov | 1 year ago BY: Rohit Namjoshi
Geometry , Graphs and Networks , Mathematics , Wolfram Language
3
REPLIES
2.6K
VIEWS

[EIWL] Solving Example 6.10 of the Stephen Wolfram book

QUESTION FROM: D P | 2 years ago BY: Camille Driscoll
Education , Graphics and Visualization , Mathematics , ...
18
REPLIES
17.6K
VIEWS

I would like to identify if a polygon is open then close it

QUESTION FROM: Sean G | 2 years ago BY: Ahmed Elbanna
Geometry , Image Processing , Mathematics , Wolfram Language
14
REPLIES
5.9K
VIEWS

Integrate function yielding two different answers

QUESTION FROM: Tim Kirkpatrick | 2 years ago BY: Tim Kirkpatrick
Calculus , Mathematics , Wolfram Language
8
REPLIES
4.6K
VIEWS

NDSolve error: step size is effectively zero

QUESTION FROM: Lance Randall Gamier | 4 years ago BY: Lance Randall Gamier
Algebra , Equation Solving , Graphics and Visualization , ...
6
REPLIES
7.9K
VIEWS

Sum error: overflow occurred in computation?

QUESTION FROM: Zeeshan Haider | 4 years ago BY: Zeeshan Haider
Graphics and Visualization , Mathematics , Wolfram Language
15
REPLIES
4.1K
VIEWS

Fixed points of coupled NLD involving transcendental functions

QUESTION FROM: vijay arjun | 4 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
12
REPLIES
6K
VIEWS

Why doesn't RegionPlot plot the region?

QUESTION FROM: Jay Gourley | 4 years ago BY: Martijn Froeling
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
29
REPLIES
14.3K
VIEWS

Implementing Lanczos algorithm in Mathematica

QUESTION FROM: Feras Moh | 4 years ago BY: Feras Moh
Algebra , Mathematica , Mathematics , Wolfram Language
4
REPLIES
7.9K
VIEWS

Josephus Problem: queue data structure as circular list

QUESTION FROM: Shenghui Yang | 5 years ago BY: Janos Lobb
Staff Picks , Computer Science , Data Science , ...
4
REPLIES
15.7K
VIEWS

Causal Invariance versus Confluence

QUESTION FROM: Brent Werness | 5 years ago BY: Brent Werness
Graphs and Networks , Mathematics , Physics , ...
4
REPLIES
7.3K
VIEWS

Wave Equation resolution with control

QUESTION FROM: Lina Lili | 5 years ago BY: Mariusz Iwaniuk
Control Systems , Equation Solving , Mathematica , Mathematics , ...
16
REPLIES
9.3K
VIEWS

Cusp Catastrophe plot using ParametricPlot3D

QUESTION FROM: A M | 5 years ago BY: Michael Rogers
Biological Sciences , Calculus , Dynamic Interactivity , Geometry , ...
4
REPLIES
9K
VIEWS

Represent the intersection curve between a sphere and a paraboloid

QUESTION FROM: Robert Poenaru | 5 years ago BY: Hans Dolhaine
Equation Solving , Geometry , Graphics and Visualization , ...
7
REPLIES
7.8K
VIEWS

How to get the result of a multiplication between a matrix and a vector?

QUESTION FROM: Alberto de la Torre | 5 years ago BY: Christopher Young
Algebra , Control Systems , Engineering , Mathematica , Mathematics , ...
8
REPLIES
86.2K
VIEWS

Use ParametricPlot3D to plot a general circular cylinder?

QUESTION FROM: Mohammad Amir Khan | 5 years ago BY: Christopher Young
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
11
REPLIES
18.7K
VIEWS

Nested For loop to plot multiple plots on a single graph

QUESTION FROM: Abiy Zeleke | 5 years ago BY: Abiy Zeleke
Equation Solving , Graphics and Visualization , Mathematics , ...
27
REPLIES
10.1K
VIEWS

Accuracy of matrix computations in Wolfram compared to Python's numpy?

QUESTION FROM: Nikolay Shilov | 6 years ago BY: Daniel Lichtblau
External Programs and Systems , Mathematics , Wolfram Language
7
REPLIES
9.5K
VIEWS

[?] Evaluate complex function Cos[Sqrt[s]]

QUESTION FROM: M Abadi | 6 years ago BY: M Abadi
Calculus , Mathematics , Wolfram Language
6
REPLIES
4.5K
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

Find numbers with the same cross sum (sum of digits)?

QUESTION FROM: Nural I. | 7 years ago BY: Nural I.
Discrete Mathematics , Mathematics , Wolfram|Alpha , Wolfram Language
7
REPLIES
8.8K
VIEWS

[?] Calculate this simple equation 2^x * 5^y = 5000 ?

QUESTION FROM: knudl budl | 8 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
7.6K
VIEWS

Get the original sequence in W|A with "inverse fft of fft of {0,1,2,3}"?

QUESTION FROM: Nikolay Tsenkov | 8 years ago BY: Nikolay Tsenkov
Algebra , Mathematics , Signal Processing , Wolfram|Alpha , ...
10
REPLIES
13.6K
VIEWS

Generate number combinations using KnapsackSolve[] function?

QUESTION FROM: Manjunath Babu | 8 years ago BY: Daniel Lichtblau
Algebra , Mathematics , Wolfram Language
9
REPLIES
12.2K
VIEWS

Calculate the product of two radicals?

QUESTION FROM: Valeriu Ungureanu | 9 years ago BY: Valeriu Ungureanu
Algebra , Mathematics , Symbolic Computations , Wolfram Language
12
REPLIES
6.5K
VIEWS

Find real numbers closest to a multiple of 500 in a list?

QUESTION FROM: David Kirkby | 9 years ago BY: Sander Huisman
Mathematics , Wolfram Language
5
REPLIES
7.8K
VIEWS

IntegerPartitions computation can't be stop?

QUESTION FROM: Werner Geiger | 9 years ago BY: Werner Geiger
Calculus , Mathematics , Operating System and Network Access , ...
9
REPLIES
8.3K
VIEWS

Output as ordered pair (5, -2)?

QUESTION FROM: Mark Greenberg | 9 years ago BY: Sander Huisman
Mathematics , Wolfram Development Platform , Wolfram Language
11
REPLIES
13.5K
VIEWS

Factorial equations issues

QUESTION FROM: Valeriu Ungureanu | 9 years ago BY: Valeriu Ungureanu
Equation Solving , Mathematics , Wolfram Language
35
REPLIES
13.8K
VIEWS

Evaluate [omega(1) .. omega(10000)] in Wolfram|Alpha within few seconds?

QUESTION FROM: Cornelis van der Bent | 9 years ago BY: Bill Simpson
Algebra , Mathematics , Wolfram|Alpha , Wolfram Language
8
REPLIES
6.9K
VIEWS

Intersecting boundary problems when solving PDEs

QUESTION FROM: Marco Thiel | 10 years ago BY: Sergey Slizovskiy
Graphics and Visualization , Mathematica , Mathematics , ...
5
REPLIES
36.7K
VIEWS

Insert or Joint a element in a table

QUESTION FROM: margherita ferrucci | 10 years ago BY: David Gathercole
Civil Engineering , Education , Engineering , Finance , ...
7
REPLIES
17.1K
VIEWS

Code & exploration of Minimal Superpermutation problem

QUESTION FROM: Vitaliy Kaurov | 10 years ago BY: Vitaliy Kaurov
Discrete Mathematics , Graphs and Networks , Mathematics , ...
2
REPLIES
6.3K
VIEWS

Distibutive property of Conjugate

QUESTION FROM: Saf Al | 10 years ago BY: Saf Al
Mathematics , Symbolic Computations , Wolfram Language
8
REPLIES
7.9K
VIEWS

How do I fix this trapezoidal rule input?

QUESTION FROM: Marshall G | 11 years ago BY: Marshall G
Mathematics
5
REPLIES
11.3K
VIEWS

Mathematica function for # possible arrangements of items in bins?

QUESTION FROM: Douglas Youvan | 11 years ago BY: Douglas Youvan
Mathematics , Statistics and Probability
12
REPLIES
14.9K
VIEWS

Unable to Find Sequence Continuation or Formula

QUESTION FROM: H K | 11 years ago BY: Marco Thiel
Discrete Mathematics , Mathematics
4
REPLIES
6.4K
VIEWS

How to subtract a number from all the y values in a data set

QUESTION FROM: Amy Burnett | 11 years ago BY: Amy Burnett
Mathematica , Mathematics , Wolfram Language
9
REPLIES
8.9K
VIEWS

Integration by counting points

QUESTION FROM: Charls Mejía | 11 years ago BY: Todd Rowland
Mathematica , Mathematics , Physics
8
REPLIES
6.8K
VIEWS

It's the same?, problem with the king of chess

QUESTION FROM: Luis Ledesma | 11 years ago BY: Luis Ledesma
Game Development , Mathematica , Mathematics , Recreation , ...
7
REPLIES
17.4K
VIEWS

Simplification/change of representation of formulas

QUESTION FROM: Ulrich Müller | 12 years ago BY: Todd Rowland
Algebra , Equation Solving , Mathematica , Mathematics
4
REPLIES
5.9K
VIEWS

A replacement for IntegerDigits: computing Sloane OEIS A229024 sequence

QUESTION FROM: Hans Havermann | 12 years ago BY: Hans Havermann
Discrete Mathematics , Mathematica , Mathematics , Recreation , ...
8
REPLIES
19.2K
VIEWS

Finding distribution of time values from data

QUESTION FROM: Erik Sorensen | 12 years ago BY: Sander Huisman
Mathematica , Mathematics , Statistics and Probability
3
REPLIES
9.9K
VIEWS

Minimum spanning tree from weighted adjacency graph

QUESTION FROM: g sk | 12 years ago BY: Mark Dooris
Computer Science , Graphs and Networks , Mathematica , Mathematics
5
REPLIES
14.5K
VIEWS

Different outputs when using numerics vs variables

QUESTION FROM: Clifford Kelley | 6 days ago BY: Clifford Kelley
Mathematics , Wolfram Language
6
REPLIES
806
VIEWS

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

QUESTION FROM: Nomsa Ledwaba | 9 days ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Wolfram Language
6
REPLIES
215
VIEWS

What is the reason of insufficient memory error while using FindRoot?

QUESTION FROM: Leslaw Bieniasz | 0 months ago BY: Hans Milton
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
8
REPLIES
2.1K
VIEWS

Mathematica should have built-in support for multivariate Taylor series

QUESTION FROM: Yaroslav Bulatov | 1 year ago BY: Daniel Lichtblau
Calculus , Mathematics , Wolfram Language
2
REPLIES
5.3K
VIEWS
2
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4
5
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