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Symbolic computations in calculus, linear algebra, statistics, finance...

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[?] Solve equation system with more variables than equations?

QUESTION FROM: Filip Joneus | 9 years ago BY: Filip Joneus
Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
8.8K
VIEWS

Solve this system of two equations?

QUESTION FROM: Anonymous User | 9 years ago BY: Anonymous User
Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
8.2K
VIEWS

Delete all odd exponents?

QUESTION FROM: Mike Luntz | 10 years ago BY: massimo fazio
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
8.6K
VIEWS

Fix this economy model?

QUESTION FROM: philipp.sas Scneider | 10 years ago BY: philipp.sas Scneider
Economics , Graphics and Visualization , Modeling , ...
4
REPLIES
12.5K
VIEWS

Convert a grid of lists to a grid of strings?

QUESTION FROM: Arthur Hill | 10 years ago BY: Sander Huisman
Symbolic Computations , Wolfram Language
4
REPLIES
10.2K
VIEWS

Store variable in each step?

QUESTION FROM: Mohsen Rezaee | 10 years ago BY: Mohsen Rezaee
Symbolic Computations , Wolfram Language
4
REPLIES
9.5K
VIEWS

Label curves on the graph with their mathematical expression?

QUESTION FROM: Brandon Davis | 10 years ago BY: Hans Milton
Graphics and Visualization , Mathematics , Symbolic Computations , ...
4
REPLIES
11.8K
VIEWS

List manipulation: subsets from a ragged array

QUESTION FROM: Diogo Duarte | 10 years ago BY: Sander Huisman
Symbolic Computations , Wolfram Language
4
REPLIES
4.7K
VIEWS

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

QUESTION FROM: Jordan Beck | 10 years ago BY: Jordan Beck
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
10.8K
VIEWS

Perform element-wise matrix operations (EqualTo)?

QUESTION FROM: Rebecca A | 10 years ago BY: Douglas Kubler
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
11K
VIEWS

Defining the function "qf[x_, y_, z_, is_] := x^2 + y^2 + z^2 - 5 is"?

QUESTION FROM: Stefan Reuter | 10 years ago BY: Stefan Reuter
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
5.6K
VIEWS

Using FindFit for kinetics?

QUESTION FROM: Patrick Merrill | 10 years ago BY: Patrick Merrill
Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
5.3K
VIEWS

Disclose Algorithms used in Optimization and Solve?

QUESTION FROM: Neel Basu | 10 years ago BY: Frank Kampas
Equation Solving , Optimization , Mathematics , ...
4
REPLIES
10.1K
VIEWS

Solving non-linear system of equations with 2 parameters?

QUESTION FROM: Juan Orozco | 10 years ago BY: Juan Orozco
Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
4.1K
VIEWS

Differentiating a function with multiple variables?

QUESTION FROM: tomas giud | 10 years ago BY: Bill Simpson
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
4.8K
VIEWS

Extracting elements from a matrix?

QUESTION FROM: Okkes Dulgerci | 10 years ago BY: Sander Huisman
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
4.2K
VIEWS

Comprehend the result of derivative with matrices operations?

QUESTION FROM: Baorong Yang | 10 years ago BY: Baorong Yang
Calculus , Discrete Mathematics , Mathematics , ...
4
REPLIES
5.6K
VIEWS

Product of 4*4 matrices and taking the inverse of the result?

QUESTION FROM: Sandeep Deshpande | 10 years ago BY: Sandeep Deshpande
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
3.4K
VIEWS

Map a function where some of its parmeters are in a list ?

QUESTION FROM: Jan Potocki | 10 years ago BY: Gianluca Gorni
Symbolic Computations , Wolfram Language
4
REPLIES
6.9K
VIEWS

How can I select associations from a list of associations

QUESTION FROM: Gregory Lypny | 10 years ago BY: Gregory Lypny
Data Science , Symbolic Computations , Wolfram Language
4
REPLIES
4.3K
VIEWS

Best practices while working with vectors?

QUESTION FROM: Sebastian Sylvan | 10 years ago BY: Sebastian Sylvan
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
3.6K
VIEWS

simplifying a series of equations

QUESTION FROM: Louis Allinson | 10 years ago BY: Eric Johnstone
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
9.5K
VIEWS

Assume real values of an enxpression while using Simplify or FullSimplify?

QUESTION FROM: Jan Redwi?ski | 10 years ago BY: Jan Redwi?ski
Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
24.7K
VIEWS

Can I ReplaceAll and delay calculation OR change interpretation sqrt{a^2}

QUESTION FROM: Eleanor Holmes | 10 years ago BY: Eleanor Holmes
Algebra , Equation Solving , Mathematics , Modeling , ...
4
REPLIES
5.5K
VIEWS

Delay evaluation of implicit function defined using FindRoot?

QUESTION FROM: Owen Wu | 10 years ago BY: Owen Wu
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
7.4K
VIEWS

Summation of a Summation

QUESTION FROM: Kevin Cloutier | 10 years ago BY: Kevin Cloutier
Algebra , Discrete Mathematics , Symbolic Computations , ...
4
REPLIES
11K
VIEWS

How do you pass an unevaluated variable?

QUESTION FROM: Eric Johnstone | 11 years ago BY: Eric Johnstone
Mathematica , Symbolic Computations
4
REPLIES
7.2K
VIEWS

Issue in the Simplify[ ] function

QUESTION FROM: Ahmed Younes | 11 years ago BY: Sander Huisman
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
9K
VIEWS

How can I parse a string to produce a superscript?

QUESTION FROM: T Saab | 11 years ago BY: T Saab
Computational Linguistics , Symbolic Computations , Wolfram Language
4
REPLIES
14.6K
VIEWS

Dirac Delta function - as a solution to Modified Helmholtz equation

QUESTION FROM: Sai Guruprasad Jakkala | 11 years ago BY: S M Blinder
Calculus , Education , Engineering , Equation Solving , Mathematica , ...
4
REPLIES
13.8K
VIEWS

Using ReplaceAll to Extract Parts of a List

QUESTION FROM: Gregory Lypny | 11 years ago BY: Gregory Lypny
Symbolic Computations , Wolfram Language
4
REPLIES
6.6K
VIEWS

I need help with a differential equation

QUESTION FROM: Ferenc Beleznay | 11 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematica , Mathematics , ...
4
REPLIES
7.9K
VIEWS

Limit, Sqrt, and FullSimplify

QUESTION FROM: Kiaran Dave | 12 years ago BY: Daniel Lichtblau
Algebra , Calculus , Mathematica , Symbolic Computations
4
REPLIES
5.6K
VIEWS

Is it possible to use Wolfram|Alpha to compress a text string?

QUESTION FROM: George Wolfe | 12 years ago BY: George Wolfe
Symbolic Computations , Wolfram|Alpha , Wolfram Language
4
REPLIES
9.7K
VIEWS

ComplexExpand, Conjugate, Piecewise - an unexpected result

QUESTION FROM: chong wang | 12 years ago BY: Bruce Miller
Mathematica , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
6.1K
VIEWS

A series evaluation

QUESTION FROM: Victor Moll | 12 years ago BY: David Keith
Mathematica , Mathematics , Symbolic Computations
4
REPLIES
3K
VIEWS

Custom rules for user operators

QUESTION FROM: Ivan Morozov | 12 years ago BY: Ivan Morozov
Algebra , Mathematica , Symbolic Computations , Wolfram Language
4
REPLIES
6.3K
VIEWS

How to simplify an expression? want a specific form.

QUESTION FROM: yilun chen | 13 years ago BY: yilun chen
Mathematica , Symbolic Computations
4
REPLIES
5.9K
VIEWS

How to further simplify and combine solution sets of trigonometric equations?

QUESTION FROM: Bill Blair | 2 months ago BY: Michael Rogers
Algebra , Mathematics , Symbolic Computations , Wolfram Language
3
REPLIES
361
VIEWS

How to divide both sides of the equation by the leftmost constant coefficient?

QUESTION FROM: Bill Blair | 3 months ago BY: Gianluca Gorni
Mathematics , Symbolic Computations
3
REPLIES
435
VIEWS

Closed-form integration of Slip ODE for anchored FRP–concrete joint with exponential Bond–Slip law

QUESTION FROM: Manish Prasad | 3 months ago BY: Manish Prasad
Calculus , Symbolic Computations
3
REPLIES
447
VIEWS

Finding general terms of a series

QUESTION FROM: Somveer Keshav | 3 months ago BY: Gianluca Gorni
Calculus , Symbolic Computations
3
REPLIES
605
VIEWS

Other ways shift the terms containing x₀² and y₀² from the left-hand side of the equation

QUESTION FROM: Bill Blair | 3 months ago BY: Michael Rogers
Algebra , Symbolic Computations
3
REPLIES
513
VIEWS

Unexpected result from evaluating ArcTan

QUESTION FROM: Xiangyang Zhou | 3 months ago BY: Gianluca Gorni
Calculus , Symbolic Computations
3
REPLIES
404
VIEWS

How to obtain such a result when solving the system of equations?

QUESTION FROM: Bill Blair | 3 months ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations
3
REPLIES
568
VIEWS

How to remove the "if" part following the calculation result obtained from Solve?

QUESTION FROM: Wen Dao | 5 months ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
922
VIEWS

Finding pivots of a matrix with symbols

QUESTION FROM: Xiangyang Zhou | 0 months ago BY: Xiangyang Zhou
Algebra , Mathematics , Symbolic Computations , Wolfram Language
3
REPLIES
1.6K
VIEWS

Solving a simple system of four equations gives no output

QUESTION FROM: Sasha Mandra | 1 year ago BY: Michael Rogers
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
1.9K
VIEWS

Error in solving equations, please correct if you can

QUESTION FROM: Sami Heidari | 1 year ago BY: Hans Milton
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
3
REPLIES
2.3K
VIEWS

How can get two solution of the ODE with degree two ?

QUESTION FROM: Salim Mahmood | 2 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Physics , ...
3
REPLIES
1.6K
VIEWS
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