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

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Set Manipulate[ ] to show a curve in the right x-range?

QUESTION FROM: Adrien Guyader | 9 years ago BY: S M Blinder
Graphics and Visualization , Mathematics , Wolfram Language
2
REPLIES
7.4K
VIEWS

Limits with symbols won't calculate

QUESTION FROM: Andreas Madsen | 9 years ago BY: Andreas Madsen
Calculus , Mathematica , Mathematics , Symbolic Computations
2
REPLIES
7.4K
VIEWS

Use NSolve for a variable in degrees?

QUESTION FROM: Robin Ruatta | 5 years ago BY: Sarah Smith
Equation Solving , Mathematics , Numerical Computation , Units , ...
6
REPLIES
7.4K
VIEWS

Nonlinearmodelfit with conditionals - how to.

QUESTION FROM: André Reis | 9 years ago BY: Jim Baldwin
External Programs and Systems , Mathematics , Modeling , ...
9
REPLIES
7.4K
VIEWS

[?] Define a function using NDSolve?

QUESTION FROM: Richard Edwin | 8 years ago BY: Agate Lancon
Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
7.4K
VIEWS

Calculate the Det and the inverse of a Matrix?

QUESTION FROM: lrenzo greco | 9 years ago BY: Michael Helmle
Mathematics , Symbolic Computations , Wolfram Language
14
REPLIES
7.4K
VIEWS

How can I do the output waveform of Schmitt trigger circuit?

QUESTION FROM: Jairo Smith Quilumbaquin Lanchimba | 4 years ago BY: Henrik Schachner
Control Systems , Electrical Engineering , Engineering , ...
3
REPLIES
7.4K
VIEWS

Usage FindRoot and ArgMin together

QUESTION FROM: Paulina M | 7 years ago BY: Paulina M
Equation Solving , Finance , Graphics and Visualization , ...
4
REPLIES
7.4K
VIEWS

Solve a system of equations

QUESTION FROM: Imran Khan | 10 years ago BY: Kay Herbert
Equation Solving , Mathematics , Wolfram Language
6
REPLIES
7.3K
VIEWS

How does this pure function work in the body of a module ?

QUESTION FROM: Chiel Geeraert | 10 years ago BY: Chiel Geeraert
Education , Mathematica , Mathematics , Wolfram Language
5
REPLIES
7.3K
VIEWS

Perform numerical nonlinear global optimization?

QUESTION FROM: Michael Fischer | 6 years ago BY: Shenghui Yang
Optimization , Mathematics , Wolfram Language
8
REPLIES
7.3K
VIEWS

Fluorescence lifetime

QUESTION FROM: Hafizah Halip | 6 years ago BY: Bill Nelson
Biological Sciences , Mathematics , Mechanical Engineering , Optics , ...
5
REPLIES
7.3K
VIEWS

Significant digits in integer numbers

QUESTION FROM: Anderson Coser Gaudio | 10 years ago BY: Anderson Coser Gaudio
Mathematics
2
REPLIES
7.3K
VIEWS

Find percentile of beta distribution?

QUESTION FROM: Alex Graham | 7 years ago BY: Anonymous User
Equation Solving , Mathematics , Wolfram Language
7
REPLIES
7.3K
VIEWS

Compute a Taylor series of a function near zero?

QUESTION FROM: Claude Mante | 6 years ago BY: Carl Woll
Calculus , Mathematics , Wolfram Language
1
REPLIES
7.3K
VIEWS

Plot from irrational end points?

QUESTION FROM: Jeffrey N Cook | 5 years ago BY: Jeffrey N Cook
Graphics and Visualization , Mathematics , Wolfram|Alpha , ...
7
REPLIES
7.3K
VIEWS

[?] Keep x/y (Divide[x,y]) from turning into Times[x, Power[y,-1]]?

QUESTION FROM: Elaine Kant | 7 years ago BY: Elaine Kant
Algebra , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
7.3K
VIEWS

Fit data with SIR model for epidemics?

QUESTION FROM: Vita Hudi | 6 years ago BY: Tim Laska
Biological Sciences , Computer Science , Data Science , Mathematics , ...
1
REPLIES
7.3K
VIEWS

DSolve & Wolfram|Alpha miss ODE solution?

QUESTION FROM: VolMike VolMike | 3 years ago BY: Hans Dolhaine
Calculus , Equation Solving , Mathematics , Wolfram|Alpha , ...
9
REPLIES
7.3K
VIEWS

Graphing isosurfaces and field lines

QUESTION FROM: Chase Marangu | 2 years ago BY: Chase Marangu
Staff Picks , Calculus , Geometry , Graphics and Visualization , ...
6
REPLIES
7.3K
VIEWS

definite integral

QUESTION FROM: K M | 10 years ago BY: David Keith
Calculus , Mathematics
3
REPLIES
7.3K
VIEWS

How to output conditional expression to a real number

QUESTION FROM: Tianhang Zhou | 9 years ago BY: David Keith
Mathematics , Wolfram Language
2
REPLIES
7.3K
VIEWS

Solve third order non-linear differential equation?

QUESTION FROM: Georgios Pasias | 8 years ago BY: Frank Kampas
Equation Solving , Mathematics , Symbolic Computations , ...
10
REPLIES
7.3K
VIEWS

Partial differential equation (Diffusion equation in spherical coordinates)

QUESTION FROM: Dodji Cohovi | 9 years ago BY: Gianluca Gorni
Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
7.3K
VIEWS

[?] Prove equality - Application of Dirac delta property?

QUESTION FROM: Gennaro Arguzzi | 8 years ago BY: Gennaro Arguzzi
Mathematics , Symbolic Computations , Wolfram Language
12
REPLIES
7.3K
VIEWS

Proving Pythagorean theorem using Trigonometry

QUESTION FROM: Frank Kampas | 1 year ago BY: Phil Earnhardt
Geometry , Mathematics , Wolfram Language
2
REPLIES
7.3K
VIEWS

How to make a video animation of two big matrices?

QUESTION FROM: Diogo Carvalho | 3 years ago BY: Neil Singer
Compilation , Graphics and Visualization , Mathematics , ...
6
REPLIES
7.3K
VIEWS

Fourier transform (math based question)

QUESTION FROM: Ti Xu | 11 years ago BY: Frank Kampas
Engineering , Image Processing , Mathematica , Mathematics , Physics
2
REPLIES
7.3K
VIEWS

Transforming vector field polar to cartesian using TransformedField

QUESTION FROM: Frank Weilandt | 11 years ago BY: Frank Weilandt
Mathematica , Mathematics , Wolfram Language
2
REPLIES
7.3K
VIEWS

Polynomial fit to data with multiple inputs (3) ?

QUESTION FROM: AxAy K | 6 years ago BY: Isaac Sarver
Equation Solving , Mathematics , Wolfram Language
2
REPLIES
7.3K
VIEWS

What does the | symbol mean when used as solution by Reduce?

QUESTION FROM: Alessandro Peloni | 9 years ago BY: Sander Huisman
Equation Solving , Mathematics , Symbolic Computations , ...
12
REPLIES
7.3K
VIEWS

Plots of solution of second order ODE not for my initial conditions

QUESTION FROM: José D.S. | 12 years ago BY: Jesus Hernandez
Equation Solving , Mathematics , Numerical Computation , Wolfram|Alpha
3
REPLIES
7.3K
VIEWS

Specify independent variable in differential equation?

QUESTION FROM: Gennaro Arguzzi | 9 years ago BY: Bill Simpson
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
7.3K
VIEWS

[?]  Avoid problem with FindMinimum in 11.2.0.0?

QUESTION FROM: Gijsbert Wiesenekker | 8 years ago BY: Michael Rogers
Graphics and Visualization , Optimization , Mathematics , ...
1
REPLIES
7.3K
VIEWS

Why Mathematica is not solving this equation?

QUESTION FROM: mahi rahman | 9 years ago BY: Hans Dolhaine
Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
7.3K
VIEWS

Calculate simple integral involving DiracDelta?

QUESTION FROM: Arny Toynbee | 8 years ago BY: Kay Herbert
Calculus , Mathematics , Physics , Symbolic Computations , ...
3
REPLIES
7.3K
VIEWS

I need help with a differential equation

QUESTION FROM: Ferenc Beleznay | 10 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematica , Mathematics , ...
4
REPLIES
7.3K
VIEWS

Measure the width of a sharp peak?

QUESTION FROM: Luca Stadtmueller | 6 years ago BY: Luca Stadtmueller
3D Printing , Data Science , Geographic Information System , ...
5
REPLIES
7.3K
VIEWS

Why does FourierTransform return 0, while it's obviously incorrect?

QUESTION FROM: feature engineer | 5 years ago BY: feature engineer
Calculus , Mathematics , Optics , Physics , Wolfram Language
4
REPLIES
7.3K
VIEWS

[?] Get a TransitiveClosureGraph[] with loops?

QUESTION FROM: Tigran Aivazian | 7 years ago BY: Tigran Aivazian
Graphs and Networks , Mathematics , Wolfram Language
6
REPLIES
7.3K
VIEWS

Solve ODE's with NDSolve?

QUESTION FROM: B Patel | 8 years ago BY: Glenn Carlson
Equation Solving , Mathematics , Numerical Computation , Physics
3
REPLIES
7.3K
VIEWS

Is there a does-not-divide symbol in Mathematica?

QUESTION FROM: Dean Sparrow | 12 years ago BY: Dean Sparrow
Mathematica , Mathematics
3
REPLIES
7.3K
VIEWS

[?] Interpret LinearModelFit error messages?

QUESTION FROM: Brad Cox | 8 years ago BY: Jim Baldwin
Data Science , Mathematics , Modeling , Wolfram Language
1
REPLIES
7.3K
VIEWS

[?] Get plot with just axes crossing at the origin?

QUESTION FROM: Victor Gutierrez | 8 years ago BY: Gianluca Gorni
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
5
REPLIES
7.3K
VIEWS

How do I use NDSolve in Manipulate?

QUESTION FROM: Tim Kirkpatrick | 9 years ago BY: Tim Kirkpatrick
Dynamic Interactivity , Equation Solving , Mathematics , ...
2
REPLIES
7.3K
VIEWS

How to implement Kuhn-Munkres algorithm by Mathematica？

QUESTION FROM: Haobo Xia | 5 years ago BY: Haobo Xia
Discrete Mathematics , Graphs and Networks , Optimization , ...
2
REPLIES
7.3K
VIEWS

Pendulum differential equation not computing using DSolve in Mathematica?

QUESTION FROM: Tim Kirkpatrick | 5 years ago BY: Mariusz Iwaniuk
Calculus , Equation Solving , Mathematics , Modeling , Physics , ...
3
REPLIES
7.3K
VIEWS

Solve a quantum potential well equation?

QUESTION FROM: Reza rho | 5 years ago BY: Reza rho
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
2
REPLIES
7.3K
VIEWS

Obtain the mean and variance of the below PDF?

QUESTION FROM: Rafik zeraoulia | 6 years ago BY: Rafik zeraoulia
Mathematics , Signal Processing , Statistics and Probability , ...
6
REPLIES
7.3K
VIEWS

Plot auto-extracted sub-matrices?

QUESTION FROM: Jesse Martin | 8 years ago BY: Henrik Schachner
Graphics and Visualization , Mathematics , Signal Processing , ...
1
REPLIES
7.3K
VIEWS
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