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Factoring and decomposition, polynomial division, equation and inequality solving and reducing, visualizations of curves, surfaces, and regions...

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

QUESTION FROM: Alberto de la Torre | 6 years ago BY: Christopher Young
Algebra , Control Systems , Engineering , Mathematica , Mathematics , ...
8
REPLIES
90.9K
VIEWS

What syntax to display roots (like squareroot --> nth root)?

QUESTION FROM: Rick K. | 11 years ago BY: Eric Rimbey
Algebra , Calculus
3
REPLIES
71K
VIEWS

Keep only positive and real solutions from Solve?

QUESTION FROM: Fredrik Erling | 4 years ago BY: Phani Sanagavarapu
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
44.8K
VIEWS

The Dot Operator vs Standard Matrix Multiplication

QUESTION FROM: Frank Kampas | 4 years ago BY: Gianluca Gorni
Algebra , Mathematica , Wolfram Language
19
REPLIES
44.7K
VIEWS

How to plot the graph of the equation F[x,y]=0 ?

QUESTION FROM: Artem Strashko | 11 years ago BY: Daniel Lichtblau
Algebra , Graphics and Visualization , Mathematica , Wolfram Language
20
REPLIES
41.8K
VIEWS

Solving system of Nonlinear algebraic equations (quickly)

QUESTION FROM: Kashif Nazar | 6 years ago BY: Daniel Lichtblau
Algebra , Equation Solving , Wolfram Language
16
REPLIES
41.7K
VIEWS

Simplification of simple matrix expressions

QUESTION FROM: Eric Michielssen | 6 years ago BY: Eric Michielssen
Algebra , Wolfram Language
6
REPLIES
41.2K
VIEWS

Plot multiple planes at once in Wolfram|Alpha

QUESTION FROM: Jan Cieslik | 4 years ago BY: Yoonsuck Choe
Algebra , Geometry , Mathematics , Wolfram|Alpha
4
REPLIES
39.7K
VIEWS

Get the Dot product of two vectors with complex components?

QUESTION FROM: David Mackay | 4 years ago BY: Hans Milton
Algebra , Mathematics , Symbolic Computations , Wolfram Language
21
REPLIES
37.6K
VIEWS

Error: Solve was unable to solve the system with inexact coefficients.

QUESTION FROM: steve ma | 11 years ago BY: Frank Kampas
Algebra , Equation Solving , Mathematica , Wolfram Language
13
REPLIES
37.2K
VIEWS

Multiply two matrices?

QUESTION FROM: Timothy Tapio | 7 years ago BY: Timothy Tapio
Algebra , Mathematics , Wolfram Language
5
REPLIES
36.9K
VIEWS

Use a Wolfram Language equivalent to Matlab's "linspace" function?

QUESTION FROM: Ehud Behar | 5 years ago BY: Ehud Behar
Algebra , Mathematics , Wolfram Language
4
REPLIES
32.7K
VIEWS

How to separate real and imaginary parts of a large complex fraction?

QUESTION FROM: ver din | 12 years ago BY: Bill Simpson
Algebra , Mathematica , Wolfram Language
6
REPLIES
30.9K
VIEWS

Elementary Row Operations in Wolfram|Alpha

QUESTION FROM: Betty Love | 6 years ago BY: Frank Lobue
Algebra , Mathematics , Wolfram|Alpha
10
REPLIES
27K
VIEWS

How do I enter fractions in Wolfram Alpha ?

QUESTION FROM: Susan Bedker | 12 years ago BY: Murray Eisenberg
Algebra , User Interface , Wolfram|Alpha
4
REPLIES
26K
VIEWS

Geodesics equation - solving and plotting via Mathematica

QUESTION FROM: michal buday | 9 months ago BY: Marty Parts
Algebra , Calculus , Equation Solving , Geometry , ...
6
REPLIES
25.5K
VIEWS

Why does Sqrt[] only return positive values rather than +/-?

QUESTION FROM: Michael Gmirkin | 10 years ago BY: Eric Johnstone
Algebra , Mathematica , Mathematics , Wolfram Language
12
REPLIES
24.8K
VIEWS

Invert a 2x2 matrix with 2x2 matrix elements?

QUESTION FROM: stan gianzero | 7 years ago BY: stan gianzero
Algebra , Mathematics , Wolfram Language
39
REPLIES
24.3K
VIEWS

Is there a way to represent Knuth's up-arrow notation in Wolfram|Alpha?

QUESTION FROM: James Counterman | 12 years ago BY: Ilian Gachevski
Algebra , Mathematica , User Interface , Wolfram|Alpha
1
REPLIES
23.4K
VIEWS

Solving a system of equations with inequalities

QUESTION FROM: Cédric Cavents | 10 years ago BY: Cédric Cavents
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
22.3K
VIEWS
1
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