Group Abstract Group Abstract

«Groups
Symbolic Computations
Join
Symbolic computations in calculus, linear algebra, statistics, finance...

Discussions List Discussions List

Integration error: "Invalid integration variable or limit(s)"

QUESTION FROM: Alex B | 4 years ago BY: Alex B
Calculus , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
13K
VIEWS

Derivative wrt to a vector?

QUESTION FROM: Jeroen Geeraert | 9 years ago BY: Hans Dolhaine
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
7
REPLIES
13K
VIEWS

Solve this integral and then plot it?

QUESTION FROM: Muhammad Afzal | 9 years ago BY: Louis Godwin
Calculus , Graphics and Visualization , Mathematics , ...
3
REPLIES
12.9K
VIEWS

Write If-Else Statements using a Module?

QUESTION FROM: Alicia Young | 9 years ago BY: Bianca Eifert
Logic and Boolean Algebra , Symbolic Computations , Wolfram Language
9
REPLIES
12.9K
VIEWS

Calculate a hessian matrix?

QUESTION FROM: jack gredart | 8 years ago BY: Chad Knutson
Algebra , Calculus , Mathematics , Symbolic Computations , ...
12
REPLIES
12.8K
VIEWS

Solve an elementary quadratic equation?

QUESTION FROM: Valeriu Ungureanu | 8 years ago BY: Valeriu Ungureanu
Algebra , Education , Equation Solving , Mathematics , ...
10
REPLIES
12.8K
VIEWS

Solve Redox equation with inexact coefficients, Solve[Log10[f(x)]]?

QUESTION FROM: Jonas N. | 9 years ago BY: Jonas N.
Algebra , Chemistry , Equation Solving , Mathematics , ...
9
REPLIES
12.8K
VIEWS

Determine branch cuts of say log[Z^3]?

QUESTION FROM: Patrick Rose | 9 years ago BY: Mariusz Iwaniuk
Mathematics , Symbolic Computations , Wolfram Language
11
REPLIES
12.7K
VIEWS

[?] Integrate a given symbolic limit of integration?

QUESTION FROM: Aidan Droogan | 8 years ago BY: Daniel Lichtblau
Calculus , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
12.4K
VIEWS

Sort pairs that add up to a perfect square?

QUESTION FROM: Ashley Louk | 9 years ago BY: Sander Huisman
Discrete Mathematics , Mathematics , Symbolic Computations , ...
17
REPLIES
12.2K
VIEWS

Integration involving vectors?

QUESTION FROM: Arny Toynbee | 8 years ago BY: Arny Toynbee
Calculus , Mathematics , Numerical Computation , Physics , ...
13
REPLIES
12.1K
VIEWS

Show steps in a calculation using Wolfram Mathematica 11?

QUESTION FROM: Hamza Hboub | 7 years ago BY: Daniel Lichtblau
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
11.9K
VIEWS

Fix this economy model?

QUESTION FROM: philipp.sas Scneider | 9 years ago BY: philipp.sas Scneider
Economics , Graphics and Visualization , Modeling , ...
4
REPLIES
11.8K
VIEWS

Find the root of a function with two variables?

QUESTION FROM: KA KAM CHEN | 8 years ago BY: KA KAM CHEN
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
11.8K
VIEWS

Nonlinear pdes system / boundary condition at infinity

QUESTION FROM: mario beraha | 10 years ago BY: Kay Herbert
Biological Sciences , Calculus , Computational Systems , ...
3
REPLIES
11.7K
VIEWS

Asking Wolfram|Alpha to find particular solution with boundary conditions?

QUESTION FROM: Jeremiah Towe | 9 years ago BY: Louis Godwin
Equation Solving , Mathematics , Symbolic Computations , Wolfram|Alpha
2
REPLIES
11.5K
VIEWS

How to use the Replace Command

QUESTION FROM: ANH MONG | 10 years ago BY: Udo Krause
Symbolic Computations , Wolfram Language
10
REPLIES
11.5K
VIEWS

Map/Apply over a list with optional arguments

QUESTION FROM: Casper YC | 11 years ago BY: Bruce Miller
Mathematica , Symbolic Computations , Wolfram Language
3
REPLIES
11.4K
VIEWS

Does DSolve work with Piecewise boundary conditions?

QUESTION FROM: Jose Calderon | 12 years ago BY: Sam Carrettie
Calculus , Mathematica , Symbolic Computations
3
REPLIES
11.4K
VIEWS

Solve analytically 1D transport equation?

QUESTION FROM: Natash A | 6 years ago BY: Tim Laska
Chemistry , Equation Solving , Mathematics , Symbolic Computations , ...
11
REPLIES
11.4K
VIEWS

Solve an integer programming problem with LinearProgramming?

QUESTION FROM: João Janela | 9 years ago BY: Frank Kampas
Equation Solving , Optimization , Mathematics , ...
10
REPLIES
11.4K
VIEWS

[?] Select specific values from Solve function?

QUESTION FROM: Robert Poenaru | 8 years ago BY: Valeriu Ungureanu
Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
11.3K
VIEWS

Solve a system of recurrence relations?

QUESTION FROM: Richard Low | 9 years ago BY: Mariusz Iwaniuk
Discrete Mathematics , Equation Solving , Mathematics , ...
13
REPLIES
11.3K
VIEWS

Determine the equilibrium points of a predator-prey model?

QUESTION FROM: Jopaul Karriyathi | 9 years ago BY: Marco Thiel
Equation Solving , Mathematics , Physics , Symbolic Computations , ...
6
REPLIES
11.2K
VIEWS

Problems with Assumptions for Integrate and Reduce

QUESTION FROM: Paul Reiser | 11 years ago BY: Paul Reiser
Algebra , Calculus , Symbolic Computations , Wolfram Language
6
REPLIES
11.2K
VIEWS

Label curves on the graph with their mathematical expression?

QUESTION FROM: Brandon Davis | 9 years ago BY: Hans Milton
Graphics and Visualization , Mathematics , Symbolic Computations , ...
4
REPLIES
11.2K
VIEWS

$Jy'' + y' -c/y=0$ analytic solution of differential equation

QUESTION FROM: ash ash | 8 years ago BY: Ivan Siahlo
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
2
REPLIES
11.2K
VIEWS

Learning to program in the Wolfram Language: where to start?

QUESTION FROM: Andre Munro | 12 years ago BY: Szabolcs Horvát
Symbolic Computations , Wolfram|Alpha , Wolfram Language
5
REPLIES
11.1K
VIEWS

Evaluation within If or Which

QUESTION FROM: Alain RIWAN | 9 years ago BY: Eric Rimbey
Symbolic Computations , Wolfram Language
10
REPLIES
11K
VIEWS

Calculate double integrals in Polar Coordinates?

QUESTION FROM: Mitchell Sandlin | 9 years ago BY: Sander Huisman
Calculus , Mathematics , Symbolic Computations , Wolfram Language
1
REPLIES
10.9K
VIEWS

[?] Understand how to set global Assumptions?

QUESTION FROM: Michael Fischer | 6 years ago BY: Michael Fischer
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
10.9K
VIEWS

Calculate the following integral with assumptions?

QUESTION FROM: Arny Toynbee | 8 years ago BY: Arny Toynbee
Mathematics , Physics , Symbolic Computations , Wolfram Language
5
REPLIES
10.8K
VIEWS

[?] Substitute a - z == y into an equation?

QUESTION FROM: Stephan Foley | 8 years ago BY: Bill Simpson
Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
10.7K
VIEWS

Check the following mathematical statement with W|A?

QUESTION FROM: Just Bucket | 8 years ago BY: Shujie CHEN
Mathematics , Symbolic Computations , Wolfram|Alpha
3
REPLIES
10.7K
VIEWS

Using an image as a variable for integrating

QUESTION FROM: Daniel Solis | 11 years ago BY: Itai Seggev
Calculus , Education , Mathematica , Symbolic Computations , ...
8
REPLIES
10.7K
VIEWS

[?] Area under the curve of a Parametric Plot function?

QUESTION FROM: Anonymous User | 8 years ago BY: Claude Mante
Algebra , Graphics and Visualization , Mathematics , ...
5
REPLIES
10.6K
VIEWS

How to check expressions for symbolic equality?

QUESTION FROM: W T | 2 years ago BY: Eric Rimbey
Mathematics , Symbolic Computations , Wolfram|Alpha , Wolfram Language
8
REPLIES
10.6K
VIEWS

How to Identify and Extract Foreign Character Strings?

QUESTION FROM: Caitlin Ramsey | 10 years ago
Computational Systems , Computer Science , Data Science , ...
0
REPLIES
10.5K
VIEWS

Why the following expression of a logarithm of a product is not True?

QUESTION FROM: Mark Tuttle | 9 years ago BY: Mark Tuttle
Algebra , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
10.5K
VIEWS

Would someone take a moment (Integrate hang)

QUESTION FROM: Bill Simpson | 12 years ago BY: Bruce Miller
Mathematica , Symbolic Computations , Tuning and Debugging , ...
3
REPLIES
10.4K
VIEWS

[?] Integrate a piecewise function?

QUESTION FROM: Arm Mo | 7 years ago BY: Arm Mo
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
10.4K
VIEWS

Fundamental question about symbolic capabilities of Wolfram Language

QUESTION FROM: Atriya Sen | 10 years ago BY: Atriya Sen
Mathematics , Physics , Symbolic Computations , Wolfram Language
12
REPLIES
10.4K
VIEWS

Solve over Domains

QUESTION FROM: Sandu Ursu | 8 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Symbolic Computations , Wolfram Language
6
REPLIES
10.4K
VIEWS

Summation of a Summation

QUESTION FROM: Kevin Cloutier | 9 years ago BY: Kevin Cloutier
Algebra , Discrete Mathematics , Symbolic Computations , ...
4
REPLIES
10.4K
VIEWS

"Wolfram|Alpha doesn't know how to interpret your input" by ComposeSeries

QUESTION FROM: A A | 10 years ago BY: Sean Clarke
Mathematics , Symbolic Computations , Wolfram|Alpha , Wolfram Language
1
REPLIES
10.3K
VIEWS

Improve speed while using Simplify[ ]?

QUESTION FROM: Xiaoxu Zhong | 8 years ago BY: Updating Name
Algebra , High-Performance Computing , Mathematics , ...
3
REPLIES
10.3K
VIEWS

[?] Simplify the logarithm of a sum: Log[a+b]?

QUESTION FROM: Alberto Silva Ariano | 8 years ago BY: Sander Huisman
Algebra , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
10.2K
VIEWS

Determine correct expression? (A / B)^(1/3) vs. A^(1/3)/B^(1/3)

QUESTION FROM: Jordan Beck | 9 years ago BY: Jordan Beck
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
10.2K
VIEWS

Symbolic linearization of Modelica model

QUESTION FROM: Gilles PLESSIS | 11 years ago BY: Gilles PLESSIS
Control Systems , Mathematica , Modeling , Symbolic Computations , ...
2
REPLIES
10.2K
VIEWS

Solve a system of equations and avoid calculations without response?

QUESTION FROM: Dmitry Chebotarev | 6 years ago BY: Dmitry Chebotarev
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
10.2K
VIEWS
1
2
3
4
5

Group Count Group Count

890 Discussions

Group Branding Group Branding

New Discussion New Discussion

ACTIVE MEMBERS ACTIVE MEMBERS

ACTIVE MEMBERS
shenghuiy
Shenghui Yang
5 days ago
binoushousam
Housam Binous
6 days ago
dara
Dara Shayda
8 days ago
rowland
Todd Rowland
13 days ago
edp
Ed Pegg
1 day ago
brunot
Bruno Tenorio
14 days ago
jeffw
Jeff Weidenaar
1 month ago

RELATED GROUPS RELATED GROUPS

RELATED GROUPS
Graphics and Visualization 4K discussions 1K subscriptions
Wolfram Language 11K discussions 2K subscriptions
Chemistry 329 discussions 760 subscriptions
Modeling 735 discussions 1K subscriptions
Engineering 649 discussions 1K subscriptions
Numerical Computation 1K discussions 1K subscriptions