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

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Could you tell me what am I doing wrong?

QUESTION FROM: Luis Ledesma | 11 years ago BY: Luis Ledesma
Computational Linguistics , Computer Science , Education , ...
6
REPLIES
10.7K
VIEWS

Take the upper triangularize of a matrix

QUESTION FROM: margherita ferrucci | 11 years ago BY: margherita ferrucci
Mathematics , Wolfram Language
6
REPLIES
9.4K
VIEWS

Need help importing data from a file.

QUESTION FROM: Nathan Lundholm | 11 years ago BY: Bill Lewis
Aerospace Engineering , Astronomy , Mathematics , Physics
6
REPLIES
15.6K
VIEWS

constructing a table with Minimize and NMinimize

QUESTION FROM: Tushar G | 11 years ago BY: Tushar G
Mathematics , Physics
6
REPLIES
5.6K
VIEWS

3d plot a matrix

QUESTION FROM: fary farfar | 11 years ago BY: fary farfar
Mathematics
6
REPLIES
7.5K
VIEWS

Extracting specific elements of a matrix

QUESTION FROM: fary farfar | 11 years ago BY: fary farfar
Algebra , Mathematics , Wolfram Language
6
REPLIES
6.1K
VIEWS

Combining nested lists of numbers into single numbers

QUESTION FROM: H FR | 11 years ago BY: H FR
Mathematics
6
REPLIES
8.6K
VIEWS

interface to external program / command line and optimisation [beginner]

QUESTION FROM: geotrupes a | 11 years ago BY: geotrupes a
Engineering , External Programs and Systems , Mathematica , ...
6
REPLIES
11.6K
VIEWS

Exponential of a Sum series

QUESTION FROM: hafid boukhoulda | 11 years ago BY: hafid boukhoulda
Education , Mathematica , Mathematics , Symbolic Computations , ...
6
REPLIES
8.5K
VIEWS

Efficient method to cyclically swap items in a list

QUESTION FROM: Paul Cleary | 11 years ago BY: Wiel Aerts
Data Science , Engineering , Mathematica , Optimization , ...
6
REPLIES
10.9K
VIEWS

Multiplying lists

QUESTION FROM: Luke Schutzenhofer | 11 years ago BY: Luke Schutzenhofer
Aerospace Engineering , Civil Engineering , Mathematics , ...
6
REPLIES
13.5K
VIEWS

Non linear fit help

QUESTION FROM: suvadip mandal | 11 years ago BY: Sean Clarke
Algebra , Discrete Mathematics , Mathematics
6
REPLIES
8.7K
VIEWS

Rearrange equation with mathematica s.t. variable only in denominator?

QUESTION FROM: Chris Roof | 11 years ago BY: Gianluca Gorni
Mathematics
6
REPLIES
13.9K
VIEWS

Different bode plots for the same input in mathematica, wolfram alpha

QUESTION FROM: riccardo loddo | 11 years ago BY: Jos Klaps
Control Systems , Engineering , Mathematica , Mathematics , ...
6
REPLIES
19.4K
VIEWS

How can I solve a system of polynomial equations?

QUESTION FROM: Cody Lamb | 11 years ago BY: Simon Cadrin
Mathematics
6
REPLIES
7.4K
VIEWS

How to shift functions in a multiple-function plot?

QUESTION FROM: Ricardo Garcia | 11 years ago BY: Gianluca Gorni
Chemistry , Computer Science , Mathematics , Optics , Physics
6
REPLIES
11.9K
VIEWS

Free Memory

QUESTION FROM: Xiaoxu Zhong | 11 years ago BY: Xiaoxu Zhong
Engineering , Mathematics
6
REPLIES
6.6K
VIEWS

Sorting noncommuting operators?

QUESTION FROM: Frank Kampas | 11 years ago BY: Frank Kampas
Mathematics , Physics
6
REPLIES
7.5K
VIEWS

A rational cubic polynomial Limit step by step ?

QUESTION FROM: gaser hmad | 11 years ago BY: gaser hmad
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
6
REPLIES
11.9K
VIEWS

Can some one explain this odd behavior?

QUESTION FROM: Paul Cleary | 11 years ago BY: Paul Cleary
Mathematica , Mathematics , Numerical Computation
6
REPLIES
5.4K
VIEWS

How to enter a long logical expression into Wolfram|Alpha?

QUESTION FROM: Jamie Collins | 11 years ago BY: Ilian Gachevski
Mathematics , Wolfram|Alpha
6
REPLIES
29.9K
VIEWS

New fractal curve from golden ratio: how to generate Harriss spiral?

QUESTION FROM: Vitaliy Kaurov | 11 years ago BY: Sam Carrettie
Graphics and Visualization , Mathematics , Wolfram Language
6
REPLIES
31K
VIEWS

Is there a solution for these mazes?

QUESTION FROM: Luis Ledesma | 11 years ago BY: Luis Ledesma
Game Development , Image Processing , Mathematics , Recreation , ...
6
REPLIES
13.3K
VIEWS

How to Avoid Plotting when output axis = 0 with Plot3D[]?

QUESTION FROM: Greg | 11 years ago BY: Greg
Graphics and Visualization , Mathematica , Mathematics , ...
6
REPLIES
6.9K
VIEWS

How can I collapse a list of nearly unique vectors?

QUESTION FROM: Mike Luntz | 11 years ago BY: Daniel Lichtblau
Mathematica , Mathematics , Wolfram Language
6
REPLIES
8.9K
VIEWS

Creating a 3D mesh plot and exporting it to an STL file for 3D printing

QUESTION FROM: Phalgun Lolur | 11 years ago BY: kulbirdi
3D Printing , Geometry , Graphics and Visualization , Mathematics , ...
6
REPLIES
77.9K
VIEWS

What is wrong with my code, I get an output of an orange block.

QUESTION FROM: Steven Fields | 12 years ago BY: EDITORIAL BOARD
Graphics and Visualization , Mathematica , Mathematics , ...
6
REPLIES
10.7K
VIEWS

Two problems - Limit and ContourPlot

QUESTION FROM: Ehsan Monabbati | 12 years ago BY: Daniel Lichtblau
Calculus , Mathematica , Mathematics , Wolfram|Alpha
6
REPLIES
13.8K
VIEWS

Defining a function with a sum

QUESTION FROM: Gabrielle DM | 12 years ago BY: David Reiss
Mathematica , Mathematics , Wolfram Language
6
REPLIES
4.2K
VIEWS

Having problems with integration

QUESTION FROM: Raymond Low | 12 years ago BY: Daniel Lichtblau
Engineering , Mathematics
6
REPLIES
10K
VIEWS

How to create an augmented matrix form a system of equations in mathematica

QUESTION FROM: Dave Jeudy | 12 years ago BY: Dave Jeudy
Algebra , Education , Mathematica , Mathematics
6
REPLIES
15.5K
VIEWS

How to find a quadratic equation given the solution??

QUESTION FROM: Ambi J | 12 years ago BY: Ambi J
Algebra , Mathematics
6
REPLIES
4.9K
VIEWS

Integral. Wrong answer.

QUESTION FROM: Iurii Popov | 12 years ago BY: Daniel Lichtblau
Calculus , Mathematica , Mathematics
6
REPLIES
10.1K
VIEWS

Large Scale Optimization in Mathematica

QUESTION FROM: Priyan Fernando | 12 years ago BY: Priyan Fernando
Mathematica , Optimization , Mathematics , Numerical Computation , ...
6
REPLIES
10.1K
VIEWS

[Solved] Print n-th number from list

QUESTION FROM: Piotr K?kol | 12 years ago BY: Piotr K?kol
Discrete Mathematics , Mathematics , Wolfram|Alpha
6
REPLIES
7.5K
VIEWS

Reading from multiple data files

QUESTION FROM: Nilanjan Banik | 12 years ago BY: Nilanjan Banik
Astronomy , Computer Science , Mathematics , Physics
6
REPLIES
8.1K
VIEWS

Working with Nested Lists, Trying for a Partitioned Average

QUESTION FROM: Josh Wofford | 12 years ago BY: Josh Wofford
Calculus , Chemistry , Mathematica , Mathematics
6
REPLIES
15.3K
VIEWS

Area between 2D cartesian curves, fill between two ordinates, for calculus

QUESTION FROM: Ian Willson | 12 years ago BY: Ian Willson
Graphics and Visualization , Mathematica , Mathematics , ...
6
REPLIES
14K
VIEWS

Graphing parametric surfaces

QUESTION FROM: Michael Gerardo | 12 years ago BY: Udo Krause
Graphics and Visualization , Mathematica , Mathematics , ...
6
REPLIES
7K
VIEWS

Are there any 3rd party gridMathematica services?

QUESTION FROM: Bryan Lettner | 12 years ago BY: Bryan Lettner
gridMathematica , High-Performance Computing , Mathematica , ...
6
REPLIES
10.4K
VIEWS

How do I use NDSolve within a Do loop?

QUESTION FROM: Henry Banks | 12 years ago BY: Michael Rogers
Equation Solving , Mathematica , Mathematics , ...
6
REPLIES
16.3K
VIEWS

Piecewise, Evaluate, and NDSolve

QUESTION FROM: Sasha Kasha | 12 years ago BY: Sasha Kasha
Equation Solving , Mathematica , Mathematics
6
REPLIES
9.1K
VIEWS

Numerical integration

QUESTION FROM: salangnew | 12 years ago BY: salangnew
Mathematica , Mathematics , Numerical Computation
6
REPLIES
12.4K
VIEWS

Symbolic 3D FourierTransform

QUESTION FROM: Pietro Zaccagnini | 12 years ago BY: Pietro Zaccagnini
Mathematica , Mathematics , Wavelets and Fourier Series , ...
6
REPLIES
11.8K
VIEWS

DSolve for y'[x] == (x^2 + xy[x] + 4 y[x]^2)/x^2

QUESTION FROM: D G | 12 years ago BY: Bill Simpson
Equation Solving , Mathematica , Mathematics , Wolfram Language
6
REPLIES
7.5K
VIEWS

Add lines to 3D Plot

QUESTION FROM: Niels Skovgaard Olsen | 13 years ago BY: Sam Carrettie
Graphics and Visualization , Mathematica , Mathematics , ...
6
REPLIES
14.6K
VIEWS

Create a 3d axis-plane

QUESTION FROM: vasilis nikolopoulos | 13 years ago BY: Nasser M. Abbasi
Graphics and Visualization , Mathematica , Mathematics
6
REPLIES
10.1K
VIEWS

Help me -- meprec problem

QUESTION FROM: Ain Ariff | 13 years ago BY: Daniel Lichtblau
Mathematica , Mathematics , Numerical Computation
6
REPLIES
13.1K
VIEWS

Possible bug or I am blind about something??

QUESTION FROM: Raymond Low | 13 years ago BY: Nasser M. Abbasi
Graphics and Visualization , Mathematica , Mathematics
6
REPLIES
9K
VIEWS

Halving half a disk

QUESTION FROM: Howard Wilk | 13 years ago BY: Howard Wilk
Geometry , Mathematica , Mathematics , Wolfram Language
6
REPLIES
7K
VIEWS
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