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Partial and total derivatives, integrals in one or more dimensions, series and limits, differential equations, integral transforms, numerical calculus, discrete calculus...

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Variational iterative method for system fractional DE with Katugampola derivative?

QUESTION FROM: SARIKA SAWANT | 11 days ago BY: Mohammad Bahrami
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
191
VIEWS

Integral of Sqrt[1-x^2] appears wrong in Wolfram Alpha

QUESTION FROM: M Bennett | 18 days ago BY: M Bennett
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
2
REPLIES
217
VIEWS

Determining the condition for a rational expression in k to be constant: coefficient ratio analys

QUESTION FROM: Jim Clinton | 24 days ago BY: Jim Clinton
Calculus , Mathematics , Wolfram Language
4
REPLIES
282
VIEWS

What approach would yield the six integer variables satisfying all given constraints?

QUESTION FROM: Jim Clinton | 1 month ago BY: Updating Name
Calculus
7
REPLIES
559
VIEWS

What is wrong with WhenEvent ?

QUESTION FROM: Mikhail Khenner | 1 month ago BY: Mikhail Khenner
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
396
VIEWS

How can I do the derivative of a Hankel function with respect to complex order (nu)?

QUESTION FROM: scintific1 math | 1 month ago BY: scintific1 math
Calculus , Mathematics , Physics , Wolfram Language
9
REPLIES
573
VIEWS

Defining a partial derivative operator with inactive variable

QUESTION FROM: Átila Saraiva Quintela Soares | 1 month ago BY: Gianluca Gorni
Algebra , Calculus , Mathematics , Wolfram Language
1
REPLIES
382
VIEWS

Using NIntegrate with nested integrals

QUESTION FROM: Max Shpak | 1 month ago BY: Max Shpak
Calculus , Mathematics , Numerical Computation , Wolfram Language
6
REPLIES
429
VIEWS

Calculation of an integral with a variable lower limit using the trapezoidal method

QUESTION FROM: Yaroslav B | 2 months ago BY: Michael Rogers
Calculus , Graphics and Visualization , Physics , Wolfram Language
4
REPLIES
582
VIEWS

Elliptic integrals: built-in vs. explicit integration

QUESTION FROM: Davide Gardini | 2 months ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , Wolfram Language
5
REPLIES
546
VIEWS

How to get nontrivial solution of differential equation (Euler buckling load)?

QUESTION FROM: Ralph Schenn | 3 months ago BY: Ralph Schenn
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
8
REPLIES
1.2K
VIEWS

Multiplying very long mathematical expressions

QUESTION FROM: Nomsa Ledwaba | 3 months ago BY: Nomsa Ledwaba
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
909
VIEWS

Partial derivative notation and output

QUESTION FROM: dor gelem | 3 months ago BY: dor gelem
Calculus , Mathematics , Wolfram Language
4
REPLIES
1.1K
VIEWS

How to solve a couple of ODEs in two variables

QUESTION FROM: Safinaz Salem | 3 months ago BY: Safinaz Salem
Calculus , Equation Solving , Mathematics , Wolfram Language
2
REPLIES
704
VIEWS

DSolve crashes on elementary differential equations

QUESTION FROM: Jean-Michel Charles Collard-Richard | 3 months ago BY: Updating Name
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
1.3K
VIEWS

Is it possible for Canvas to smooth an already drawn path?

QUESTION FROM: Diego Ramos | 3 months ago
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
0
REPLIES
544
VIEWS

DSolve not working for given system

QUESTION FROM: maxim knyazev | 3 months ago BY: David Keith
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
1.1K
VIEWS

Cannot plot full OutputResponse

QUESTION FROM: Sai Fisher | 3 months ago BY: Mariusz Iwaniuk
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
814
VIEWS

Solve a PDE with boundary conditions (chemical adsorption in fixed beds)?

QUESTION FROM: Alberto Silva Ariano | 4 months ago BY: Alberto Silva Ariano
Calculus , Chemistry , Equation Solving , Mathematics , ...
7
REPLIES
12.6K
VIEWS

Request resources for mathematical foundations of higher-order topological dynamics in networks

QUESTION FROM: Amin Cheikhi | 4 months ago BY: Daniel Lichtblau
Algebra , Calculus , Discrete Mathematics , Mathematics , ...
3
REPLIES
1.4K
VIEWS

Any way to effectively resolve this integral?

QUESTION FROM: Leslaw Bieniasz | 4 months ago BY: Leslaw Bieniasz
Calculus , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
1.3K
VIEWS

Can't solve an integral?

QUESTION FROM: Leslaw Bieniasz | 4 months ago BY: Daniel Lichtblau
Calculus , Wolfram Language
2
REPLIES
860
VIEWS

Input issues perhaps with - ContourIntegrate

QUESTION FROM: Venkat Sastry | 4 months ago
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
0
REPLIES
894
VIEWS

Do you have 1 simple function that will handle the various types of double integration?

QUESTION FROM: Mary A. Marion | 4 months ago BY: Mary A. Marion
Calculus , Mathematics , Wolfram Language
3
REPLIES
915
VIEWS

Substitute x in f[x] by a function. Fail to find out how to do that

QUESTION FROM: Christer Gustafsson | 4 months ago BY: Christer Gustafsson
Calculus , Mathematics , Wolfram Language
3
REPLIES
1.1K
VIEWS

SurfaceIntegrate[] and Integrate[] functions giving different divergent theorem flux answers

QUESTION FROM: Mitchell Sandlin | 4 months ago BY: Bruno Tenorio
Calculus , Mathematics , Wolfram Language
1
REPLIES
1.1K
VIEWS

Help with optimum initial conditions for electron interaction

QUESTION FROM: Arif Khan | 4 months ago
Calculus , Equation Solving , Graphics and Visualization , ...
0
REPLIES
569
VIEWS

Possible error in solving Improper integral

QUESTION FROM: José Luis Garrido | 4 months ago BY: Daniel Lichtblau
Calculus , Mathematics , Numerical Computation , Wolfram Language
10
REPLIES
1.1K
VIEWS

Derivatives are not evaluated when substituted in differential equation

QUESTION FROM: Christer Gustafsson | 4 months ago BY: Christer Gustafsson
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
823
VIEWS

Simplify x-x is not evaluated to zero

QUESTION FROM: Christer Gustafsson | 4 months ago BY: Christer Gustafsson
Calculus , Mathematics , Symbolic Computations , Wolfram Language
2
REPLIES
871
VIEWS

Help with contour integral method for Fox-H function

QUESTION FROM: veera venkata ramana kandi | 5 months ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Wolfram Language
4
REPLIES
1.1K
VIEWS

Struggling with arbitrary precision in a calculation involving very large and very small numbers

QUESTION FROM: Adam Worthington | 5 months ago BY: Michael Rogers
Calculus , Mathematics , Numerical Computation
1
REPLIES
916
VIEWS

Question on functional derivatives

QUESTION FROM: Yep Led | 5 months ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
1
REPLIES
599
VIEWS

Problems with iterative process

QUESTION FROM: Denis Ivanov | 5 months ago BY: Denis Ivanov
Calculus , Mathematics , Numerical Computation , Wolfram Language
3
REPLIES
1.2K
VIEWS

What is the cause of the incorrect substitution?

QUESTION FROM: Sami Heidari | 5 months ago BY: Sami Heidari
Calculus , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
838
VIEWS

Wrong frequencies in Periodogram?

QUESTION FROM: Vladimir Ivanov | 5 months ago BY: Henrik Schachner
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
8
REPLIES
1.9K
VIEWS

Calculating multivariable calculus surface integrals using Mathematica

QUESTION FROM: Mitchell Sandlin | 5 months ago BY: Mitchell Sandlin
Calculus , Graphics and Visualization , Mathematics , ...
5
REPLIES
2.2K
VIEWS

Determining series convergence

QUESTION FROM: Ata Vafi | 5 months ago BY: Ata Vafi
Calculus , Mathematics , Wolfram Language
7
REPLIES
1.2K
VIEWS

Discrepancy between LineIntegrate and SurfaceIntegrate results in Stokes’ theorem verification

QUESTION FROM: Antonio Physics_gang | 5 months ago
Calculus , Mathematics , Symbolic Computations , Wolfram Language
0
REPLIES
591
VIEWS

Using indices to define the metric and Ricci tensor

QUESTION FROM: Safinaz Salem | 5 months ago
Algebra , Calculus , Mathematics , Symbolic Computations , ...
0
REPLIES
639
VIEWS

Making a substitution in an equation

QUESTION FROM: Sami Heidari | 6 months ago BY: Sami Heidari
Calculus , Mathematics , Wolfram Language
2
REPLIES
971
VIEWS

Computing Fourier transforms and equivalent integrals

QUESTION FROM: S. Lake | 6 months ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Wolfram|Alpha
4
REPLIES
2.3K
VIEWS

Solving a 4th- PDE Numerically?

QUESTION FROM: M.A.A Ahmed | 6 months ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
774
VIEWS

DSolve and DirichletConditions in 2D

QUESTION FROM: Mike T | 6 months ago
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
0
REPLIES
559
VIEWS

Applying the DSolveChangeVariables function

QUESTION FROM: Sinval Santos | 6 months ago
Calculus , Equation Solving , Symbolic Computations , Wolfram Language
0
REPLIES
728
VIEWS

Best solver question?

QUESTION FROM: Jay Gourley | 7 months ago BY: Jay Gourley
Calculus , Equation Solving , Mathematics , ...
4
REPLIES
1.3K
VIEWS

Help debugging code to get computational components

QUESTION FROM: Sandeep Kumar Yadav | 7 months ago BY: Sandeep Kumar Yadav
Calculus , Mathematics , Tuning and Debugging , Wolfram Language
2
REPLIES
1.2K
VIEWS

Superfluous step in W|A step-by-step of implicit differentiation

QUESTION FROM: Aaron Naiman | 7 months ago BY: Aaron Naiman
Calculus , Mathematics , Wolfram|Alpha
6
REPLIES
1.4K
VIEWS

Is the solution to that integral the rational number presented?

QUESTION FROM: Roberto Alfano | 7 months ago BY: Roberto Alfano
Calculus , Mathematics , Wolfram|Alpha
2
REPLIES
1K
VIEWS

Area[] function gives error messages when using a ParametricRegion[] function

QUESTION FROM: Mitchell Sandlin | 7 months ago BY: Eric Rimbey
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
1
REPLIES
1.4K
VIEWS

Why is Evaluate[ ] needed for D[ ] inside Plot[ ]?

QUESTION FROM: Jay Gourley | 7 months ago BY: Michael Rogers
Calculus , Graphics and Visualization , Wolfram Language
4
REPLIES
1.7K
VIEWS

Analytically solving this system of 2nd order PDEs

QUESTION FROM: Safinaz Salem | 7 months ago BY: Bill Nelson
Calculus , Equation Solving , Graphics and Visualization , ...
1
REPLIES
1.3K
VIEWS

Unexpected result for definite integral with square root

QUESTION FROM: Florian Jausner | 7 months ago BY: Daniel Lichtblau
Calculus , Mathematics , Wolfram Language
2
REPLIES
1.2K
VIEWS

Can Mathematica 12 or 13 handle infinite integrals and summations more efficiently?

QUESTION FROM: Reza rho | 7 months ago BY: Bill Nelson
Calculus , Mathematics , Wolfram Language
2
REPLIES
1.7K
VIEWS

Using LineIntegrate[] along with ImplicitRegion[] to calculate a line integral

QUESTION FROM: Mitchell Sandlin | 7 months ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Wolfram Language
1
REPLIES
1.3K
VIEWS

Not able to solve partial differential equation

QUESTION FROM: Partha Kumar Paul | 7 months ago BY: EDITORIAL BOARD
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
715
VIEWS

how to get coefficient list from a polynomial with positive and negative powers?

QUESTION FROM: Sami Heidari | 7 months ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
5
REPLIES
1.6K
VIEWS

Additional term of Log[e] in performing partial derivative

QUESTION FROM: Mitchell Sandlin | 7 months ago BY: Mohammad Bahrami
Calculus , Mathematics , Wolfram Language
1
REPLIES
1.6K
VIEWS

Unexpected output from DSolve

QUESTION FROM: Sami Heidari | 8 months ago BY: Sami Heidari
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
1.3K
VIEWS

Possible error in solving elliptic integral

QUESTION FROM: José Luis Garrido | 8 months ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
1.1K
VIEWS

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

QUESTION FROM: Salim Mahmood | 8 months ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Physics , ...
3
REPLIES
1.1K
VIEWS

A new algorithm for finding Hirota bilinear form (D-Operator) of NPDE?

QUESTION FROM: Salim Mahmood | 8 months ago BY: Salim Mahmood
Calculus , Equation Solving , Mathematics , Physics , Wolfram Language
4
REPLIES
1.4K
VIEWS

Help in solving a PDE?

QUESTION FROM: Sami Heidari | 8 months ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Wolfram Language
1
REPLIES
1K
VIEWS

Converting from Cartesian into cylindrical coordinates

QUESTION FROM: Mitchell Sandlin | 8 months ago BY: Mitchell Sandlin
Calculus , Geometry , Mathematics , Wolfram Language
2
REPLIES
1.7K
VIEWS

Help with inverse functions

QUESTION FROM: Michele Galasso | 8 months ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
5
REPLIES
1.1K
VIEWS

Considerations for numerically solving a set of differential equation

QUESTION FROM: Mishal Mohanlal | 9 months ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
1
REPLIES
1.4K
VIEWS

Unable to get my critical points even when I have defined the functions properly?

QUESTION FROM: Antam Gill | 9 months ago BY: Hans Milton
Algebra , Calculus , Equation Solving , Mathematics , Wolfram Language
4
REPLIES
1.8K
VIEWS

Circular reference in differential equations

QUESTION FROM: Mishal Mohanlal | 9 months ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
1.6K
VIEWS

Analytical solution of a system of linear ODEs

QUESTION FROM: Tapas Ray Mahapatra | 9 months ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
6
REPLIES
2.1K
VIEWS

FindMinimum code working on V9 but not V14

QUESTION FROM: Hirokazu Maruyama | 9 months ago BY: Hirokazu Maruyama
Calculus , Optimization , Mathematics , Physics , Wolfram Language
13
REPLIES
2.9K
VIEWS

What Wolfram products are helpful for learning and tutoring calculus?

QUESTION FROM: Mark Massy | 9 months ago BY: Updating Name
Calculus , Mathematics , Wolfram Language , Wolfram U
6
REPLIES
2.7K
VIEWS

Integral's unexpected result?

QUESTION FROM: Jay Gourley | 9 months ago BY: Jay Gourley
Calculus , Mathematics , Statistics and Probability , ...
2
REPLIES
1.6K
VIEWS

Plot a numerical integration as a function of variable

QUESTION FROM: Fatemeh Aliyan | 9 months ago BY: Gianluca Gorni
Calculus , Graphics and Visualization , Mathematics , ...
1
REPLIES
1K
VIEWS

Bugs in Integral of Bessel Function?

QUESTION FROM: Qiang Lu | 9 months ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Tuning and Debugging , Wolfram Language
2
REPLIES
1.2K
VIEWS

Analytical integration gives no output

QUESTION FROM: Jabir Hakami | 9 months ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Wolfram Language
5
REPLIES
1.7K
VIEWS

How can i correct this NIntegrate code?

QUESTION FROM: Minaa Askari | 9 months ago BY: Gianluca Gorni
Calculus , Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
1K
VIEWS

NIntegrate error while finding fully differential cross section

QUESTION FROM: Minaa Askari | 9 months ago BY: Minaa Askari
Calculus , Mathematics , Numerical Computation , Physics , ...
2
REPLIES
1.3K
VIEWS

How to get a sigma style result from Series[]?

QUESTION FROM: Marvin Ray Burns A.G.S. (cum laude) | 9 months ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Wolfram Language
1
REPLIES
1.7K
VIEWS

Differentiating summation notation with respect to an indexed variable

QUESTION FROM: B P | 9 months ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
3
REPLIES
1.6K
VIEWS

Mathematica should have built-in support for multivariate Taylor series

QUESTION FROM: Yaroslav Bulatov | 9 months ago BY: Daniel Lichtblau
Calculus , Mathematics , Wolfram Language
2
REPLIES
5K
VIEWS

Resolving NIntegrate and NSum non-numeric evaluation errors in oscillatory integrands

QUESTION FROM: Reza rho | 10 months ago BY: Michael Rogers
Calculus , Mathematics , Numerical Computation , Wolfram Language
1
REPLIES
1.4K
VIEWS

Calculating an integral with Math. 5.2 and Math. 7.0

QUESTION FROM: Gennaro Flowers | 10 months ago BY: EDITORIAL BOARD
Calculus , Mathematics , Wolfram Language
4
REPLIES
1K
VIEWS

Unexpected result from DSolve? (Version dependence)

QUESTION FROM: Isao Maruyama | 10 months ago BY: Isao Maruyama
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
7
REPLIES
1.8K
VIEWS

FindRoot on initial values of NDSolve has errors but works, why?

QUESTION FROM: Yumin Tian | 10 months ago BY: Antonio Barletta
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
1.7K
VIEWS

Using Solve but cannot get an answer

QUESTION FROM: George Ip | 10 months ago BY: George Ip
Calculus , Equation Solving , Mathematics , Wolfram Language
5
REPLIES
1.2K
VIEWS

NDSolve debugging and help

QUESTION FROM: Ee Kin Chan | 10 months ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
3
REPLIES
1.1K
VIEWS

Loop of solving integrals constants doesn't work properly?

QUESTION FROM: Nomsa Ledwaba | 10 months ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Wolfram Language
7
REPLIES
2.2K
VIEWS

Need help with general Wolfram Language syntax

QUESTION FROM: Rylan Kim | 10 months ago BY: Michael Rogers
Calculus , Graphics and Visualization , Mathematics , ...
4
REPLIES
2.1K
VIEWS

Why domain of f(x) = x^(1/3) is all non-negative number in Wolfram Alpha?

QUESTION FROM: Chatchai Prapunpot | 10 months ago BY: Chatchai Prapunpot
Calculus , Mathematics , Wolfram|Alpha
2
REPLIES
1.3K
VIEWS

Not a valid variable in mahtematica

QUESTION FROM: Minkyung Chun | 10 months ago BY: Eric Rimbey
Calculus , Mathematics , Wolfram Language
1
REPLIES
1.3K
VIEWS

Help with definite integral solved analytically

QUESTION FROM: Anuj Malik | 10 months ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Symbolic Computations , Wolfram Language
5
REPLIES
2.3K
VIEWS

How to calculate the gradient of the arg of a complex exponential?

QUESTION FROM: Brian McNeil | 10 months ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
5
REPLIES
1.7K
VIEWS

NDSolve - Can anyone see what's wrong in my thinking?

QUESTION FROM: David Keith | 10 months ago BY: Asmus Meyer-Plath
Calculus , Equation Solving , Mathematica , Wolfram Language
10
REPLIES
7.1K
VIEWS

Numerical instability in simulation

QUESTION FROM: Ee Kin Chan | 10 months ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
926
VIEWS

What does TrapezoidalRule at NIntegrate really do?

QUESTION FROM: Joachim Janezic | 10 months ago BY: Joachim Janezic
Calculus , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
1.7K
VIEWS

What is the substitution or replacement method for multiple functions and their derivatives?

QUESTION FROM: Nomsa Ledwaba | 10 months ago BY: Michael Rogers
Calculus , Mathematics , Wolfram Language
1
REPLIES
1.7K
VIEWS

Solving differential equation depending on radial and time parameter

QUESTION FROM: Leo Murphy | 11 months ago BY: Gianluca Gorni
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
1.7K
VIEWS

Numerical Integration of interpolated function returning a list

QUESTION FROM: Giorgio Busoni | 11 months ago BY: Michael Rogers
Calculus , Mathematics , Numerical Computation , Wolfram Language
2
REPLIES
1.2K
VIEWS

Ability to see direction of Parametric Curves when plotted?

QUESTION FROM: Alex Flores | 11 months ago BY: Gianluca Gorni
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
5
REPLIES
8.6K
VIEWS

What can be the reason of the poor accuracy of NDSolve over the first integration step?

QUESTION FROM: Leslaw Bieniasz | 11 months ago
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
0
REPLIES
1.2K
VIEWS
1
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