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

Discussions List Discussions List

How to simplify a fraction?

QUESTION FROM: Jacek Jacek | 1 year ago BY: Eric Rimbey
Mathematics , Wolfram Language
10
REPLIES
4.3K
VIEWS

DSolve not giving me an answer

QUESTION FROM: Henric Larsson | 1 year ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
7
REPLIES
3.1K
VIEWS

What would be the right approach to numerically solve improper integral with Bessel function ?

QUESTION FROM: Ishan Nande | 1 year ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
1.9K
VIEWS

Solving a system of three fractional order differential equations in the sense of Caputo

QUESTION FROM: Burhanuddin Safi | 1 year ago BY: Burhanuddin Safi
Calculus , Equation Solving , Graphics and Visualization , ...
2
REPLIES
1.5K
VIEWS

How to avoid underflow using Eigensystem for 90x90 matrix with very large numbers?

QUESTION FROM: Panagiotis Andreou | 1 year ago BY: Panagiotis Andreou
Algebra , Mathematics , Wolfram Language
4
REPLIES
2.7K
VIEWS

Iterating SolveValues for a function using For?

QUESTION FROM: Edson Orati | 1 year ago BY: Edson Orati
Equation Solving , Mathematics , Wolfram Language
10
REPLIES
2.5K
VIEWS

Automatic differentiation?

QUESTION FROM: Asim Ansari | 1 year ago BY: William Wright
Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
6.3K
VIEWS

Algorithm taking longer than expected to evaluate

QUESTION FROM: Bobby Joe Snyder | 1 year ago BY: Bobby Joe Snyder
Mathematics , Wolfram Language
5
REPLIES
4.1K
VIEWS

Delay Differential Equations with variable delay

QUESTION FROM: Richard Jensen | 1 year ago BY: Richard Jensen
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
1.7K
VIEWS

Probability that two correlated Normal random variables have the same sign?

QUESTION FROM: Greg Sternberg | 1 year ago BY: Gianluca Gorni
Mathematics , Statistics and Probability , Wolfram Language
6
REPLIES
5.9K
VIEWS

Can we do fully symbolic matrix calculus in Wolfram Mathematica?

QUESTION FROM: Hashir Omer | 1 year ago BY: Frank Iannarilli
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
3.6K
VIEWS

Inequality solving warning: not a valid domain

QUESTION FROM: Wan Xin | 1 year ago BY: Bill Nelson
Algebra , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
1.8K
VIEWS

Solve four simultaneous equations?

QUESTION FROM: richard young | 1 year ago BY: Daniel Lichtblau
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
1
REPLIES
1.8K
VIEWS

Eigenvectors results query

QUESTION FROM: Bruce Samuels | 1 year ago BY: Bruce Samuels
Algebra , Mathematics , Wolfram Language
5
REPLIES
2.9K
VIEWS

Different results for derivative of a function

QUESTION FROM: Icebear 54 | 1 year ago BY: Icebear 54
Calculus , Mathematics , Wolfram Language
4
REPLIES
1.9K
VIEWS

Switching samples in Mann-Whitney test changes p-value

QUESTION FROM: Evgeniy Evtushenko | 1 year ago BY: Eduardo Serna
Mathematics , Statistics and Probability , Wolfram|Alpha , ...
8
REPLIES
6K
VIEWS

Circumventing discontinuity of complex function fails with different parameters

QUESTION FROM: Hashim Hashim | 2 years ago BY: Hashim Hashim
Mathematics , Physics , Wolfram Language
3
REPLIES
1.8K
VIEWS

Notebook Configuration for Combination of Wolfram Language and LaTeX Formatting for Quantum Mechanic

QUESTION FROM: Hongyi Zhao | 2 years ago BY: Hongyi Zhao
Mathematics , Wolfram Language
3
REPLIES
2.7K
VIEWS

Looking for a teacher for help me for Wolfram Mathematica in private course

QUESTION FROM: AZO MAT | 2 years ago BY: James Wey
Biological Sciences , Education , Jobs & More Exchange , ...
4
REPLIES
6.1K
VIEWS

Conjugate and Simplify

QUESTION FROM: Daniel Huber | 2 years ago BY: Gianluca Gorni
Mathematics , Wolfram Language
7
REPLIES
12.2K
VIEWS

Finding the zeros and residues of a conformal mapping function

QUESTION FROM: Bi Shengfan | 2 years ago BY: Bi Shengfan
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
1.7K
VIEWS

Trapezoidal method for NDSolve?

QUESTION FROM: James James | 2 years ago BY: Updating Name
Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
2.8K
VIEWS

NDSolve doesn't produce a smooth curve

QUESTION FROM: Xiangyang Zhou | 2 years ago BY: Bill Nelson
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
2.1K
VIEWS

How to generate a list that represents a multinormal distribution?

QUESTION FROM: Jürgen Kanz | 2 years ago BY: Jürgen Kanz
Mathematics , Statistics and Probability , Wolfram Language
2
REPLIES
2.4K
VIEWS

Trying to verify an asymptotic equivalence using Limit

QUESTION FROM: Thomas Papadopoulos | 2 years ago BY: Thomas Papadopoulos
Calculus , Mathematics , Wolfram Language
2
REPLIES
1.9K
VIEWS

FindRoot error: function value is not a list of numbers

QUESTION FROM: Alan White | 2 years ago BY: Alan White
Algebra , Equation Solving , Mathematics , Numerical Computation , ...
14
REPLIES
5.1K
VIEWS

Visualizing matrix reduction to reduced echelon and LU forms step-by-step: do such exist?

QUESTION FROM: Murray Eisenberg | 2 years ago BY: Updating Name
Algebra , Dynamic Interactivity , Graphics and Visualization , ...
4
REPLIES
3.9K
VIEWS

How to use the Runs function in Version 13.3

QUESTION FROM: Harlan Brothers | 2 years ago BY: Harlan Brothers
Discrete Mathematics , Mathematics , Packages , Wolfram Language
2
REPLIES
3.1K
VIEWS

Using indexed variables in defining a function

QUESTION FROM: Mohand Amyis | 2 years ago BY: Gianluca Gorni
Mathematics , Wolfram Language
5
REPLIES
3.9K
VIEWS

How to estimate the area and volume of the dam reservoir from the satellite image?

QUESTION FROM: Erfan Abdi | 2 years ago BY: Navvye Anand
Calculus , Geographic Information System , ...
11
REPLIES
4.6K
VIEWS

Code run in 5 minutes with V12 but runs forever with V13.3

QUESTION FROM: Rafael Nepomechie | 2 years ago BY: Rafael Nepomechie
Calculus , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
2.4K
VIEWS

Circular argumentation bug of Wolfram Alpha

QUESTION FROM: Hongyi Zhao | 2 years ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
3
REPLIES
2.2K
VIEWS

How do I interpret this conditional expression?

QUESTION FROM: K F | 2 years ago BY: Gianluca Gorni
Algebra , Mathematics , Wolfram Language
1
REPLIES
1.8K
VIEWS

How to partially merge similar items?

QUESTION FROM: Lee Tao | 2 years ago BY: Jim Baldwin
Mathematics , Wolfram Language
1
REPLIES
3K
VIEWS

Plotting basic reproduction number (R0) of a compartmental model

QUESTION FROM: Burhanuddin Safi | 2 years ago BY: Burhanuddin Safi
Graphics and Visualization , Mathematics , Wolfram Language
4
REPLIES
2.3K
VIEWS

Simple algebraic equations take too long to solve

QUESTION FROM: Shruti Monga | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Symbolic Computations , ...
7
REPLIES
3.8K
VIEWS

How to improve the accuracy of FindRoot or NDSolveValue at extreme conditions in my equation system?

QUESTION FROM: Mikoto Misaka | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Graphics and Visualization , ...
6
REPLIES
4.6K
VIEWS

NDSolve with DiracDelta gives unexpected answer

QUESTION FROM: Eric Michielssen | 2 years ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
3.4K
VIEWS

Two identical computations give different results?

QUESTION FROM: Leon Fairbanks | 2 years ago BY: Leon Fairbanks
Algebra , Mathematics , Wolfram Language
5
REPLIES
3.3K
VIEWS

How to get the function expression from InverseFunction instruction

QUESTION FROM: Antonio Peretto | 2 years ago BY: Michael Rogers
Mathematics , Wolfram Language
4
REPLIES
2.3K
VIEWS

Equilibrium Points of a system of nonlinear equations (Symbolic Solution)

QUESTION FROM: Burhanuddin Safi | 2 years ago BY: Burhanuddin Safi
Algebra , Control Systems , Equation Solving , Mathematics , ...
4
REPLIES
3.4K
VIEWS

Best way to solve inequality with multiple parameters

QUESTION FROM: Alex Bailey | 2 years ago BY: Gianluca Gorni
Algebra , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
3.3K
VIEWS

Identity formula for Sqrt[Pi]

QUESTION FROM: Alexander Povolotsky | 2 years ago BY: Roland Franzius
Algebra , Mathematics , Wolfram|Alpha , Wolfram Language
5
REPLIES
8K
VIEWS

Linear system has no solution error from DASSL

QUESTION FROM: Michel Oliveira | 2 years ago BY: Vedat Senol
Engineering , Mathematics , Modeling , SystemModeler
1
REPLIES
4.4K
VIEWS

Solving differential equation in Mathematica without ProductLog

QUESTION FROM: Carl-Johan Eliasson | 2 years ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
2.7K
VIEWS

Does the sum converge or diverge in Wolfram Alpha?

QUESTION FROM: Alexander Povolotsky | 2 years ago BY: Alexander Povolotsky
Mathematics , Wolfram|Alpha , Wolfram Language
2
REPLIES
3.8K
VIEWS

Terminating Solve[] operation when the first solution is found

QUESTION FROM: Andrea Frasca | 2 years ago BY: Andrea Frasca
Algebra , Equation Solving , Mathematics , Wolfram Language
3
REPLIES
2.9K
VIEWS

How to plot piecewise function in Wolfram|Alpha?

QUESTION FROM: kor mathchobo | 2 years ago BY: Robin Hood
Algebra , Graphics and Visualization , Mathematics , Wolfram|Alpha
5
REPLIES
5.1K
VIEWS

No result with no error from NDSolve

QUESTION FROM: kumarpardeep.math | 2 years ago BY: Mariusz Iwaniuk
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
2
REPLIES
2.3K
VIEWS

Curious behavior of EllipticF for complex-valued arguments

QUESTION FROM: Yajun Zhou | 2 years ago BY: Roland Franzius
Calculus , Mathematica , Mathematics , Wolfram Language
1
REPLIES
7.4K
VIEWS
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