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

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[?] Solve problem with Sum function?

QUESTION FROM: Matthew Nakeel | 7 years ago BY: Matthew Nakeel
Calculus , Equation Solving , Mathematics , Wolfram Language
9
REPLIES
6K
VIEWS

How do I turn a huge number into a few bits?

QUESTION FROM: Steven Matthews | 7 years ago BY: Claudio Chaib
Mathematics
9
REPLIES
5.7K
VIEWS

Convert time vs accelerometer data to plot a random vibration PSD plot?

QUESTION FROM: Delan Chen | 7 years ago BY: Delan Chen
Data Science , Engineering , Graphics and Visualization , ...
9
REPLIES
13.9K
VIEWS

[?] Multiply a 2x2 matrix with a vector?

QUESTION FROM: Timothy Tapio | 7 years ago BY: Timothy Tapio
Mathematics , Wolfram Language
9
REPLIES
7.8K
VIEWS

[?] Plot a blank Cartesian plane?

QUESTION FROM: Stanley Max | 7 years ago BY: Stanley Max
Graphics and Visualization , Mathematics , Wolfram Language
9
REPLIES
5.5K
VIEWS

Is Version 12 Tetrahedron Bottomless?

QUESTION FROM: Frank Kampas | 7 years ago BY: Ilian Gachevski
Geometry , Optimization , Mathematics , Wolfram Language
9
REPLIES
6.8K
VIEWS

Result of Equal with multiple arguments

QUESTION FROM: Martin Guttmann | 7 years ago BY: Szabolcs Horvát
Algebra , Mathematica , Mathematics , ...
9
REPLIES
10.8K
VIEWS

Solve a system of 7 nonlinear equations with 7 variables?

QUESTION FROM: Jake Chen | 7 years ago BY: Jake Chen
Calculus , Equation Solving , Mathematics , Wolfram Language
9
REPLIES
9.2K
VIEWS

Can Diagonal[] be used in Compile ?

QUESTION FROM: Thibaut Jonckheere | 7 years ago BY: J. M.
Compilation , Mathematics , Wolfram Language
9
REPLIES
10.7K
VIEWS

Generate a table from Solve or NSolve and plot it?

QUESTION FROM: Hong-Yee Chiu | 7 years ago BY: Ruth Davidson
Equation Solving , Mathematics , Wolfram Language
9
REPLIES
11.8K
VIEWS

Orthogonal Projection of vector onto plane

QUESTION FROM: Jhn Doe | 7 years ago BY: Jhn Doe
Algebra , Graphics and Visualization , Mathematics , Wolfram Language
9
REPLIES
12.3K
VIEWS

What is the implicit and/or parametric equations for hyperbolic shapes?

QUESTION FROM: Ibrahim Mahmoud | 8 years ago BY: Ibrahim Mahmoud
Algebra , Geometry , Mathematics , Symbolic Computations , ...
9
REPLIES
7.7K
VIEWS

Solve an equation with angle of 2 transfer functions to get the capacitor?

QUESTION FROM: Leo Baumann | 8 years ago BY: Leo Baumann
Algebra , Engineering , Equation Solving , Mathematics , ...
9
REPLIES
9.7K
VIEWS

Solve a coupled second order differential equations of two variables?

QUESTION FROM: Shivi Sv | 8 years ago BY: Shivi Sv
Calculus , Equation Solving , Mathematics , Physics , Wolfram Language
9
REPLIES
11K
VIEWS

Find second derivative using D?

QUESTION FROM: mohamed alzenad | 8 years ago BY: Anonymous User
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
9
REPLIES
9.7K
VIEWS

Generate a point to the left side of the direction between two points?

QUESTION FROM: Zavalichi Razvan | 8 years ago BY: dan Erickson
Algebra , Computer Science , Engineering , Geometry , Mathematics , ...
9
REPLIES
10.1K
VIEWS

Solve ODE system with BVP?

QUESTION FROM: Aaeru Michi | 8 years ago BY: Aaeru Michi
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
9
REPLIES
6K
VIEWS

Avoid backticks on the right of matrix elements?

QUESTION FROM: Paolo Galfano | 8 years ago BY: Paolo Galfano
Algebra , Calculus , Equation Solving , Mathematics , ...
9
REPLIES
9.2K
VIEWS

Different results solving the same integral?

QUESTION FROM: Enrique Rodriguez | 8 years ago BY: Alexander Trounev
Calculus , Mathematica , Mathematics , Wolfram Language
9
REPLIES
5.6K
VIEWS

Solve trigonometric equation system?

QUESTION FROM: Enrico Catanzani | 8 years ago BY: Enrico Catanzani
Equation Solving , Mathematics , Physics , Wolfram Language
9
REPLIES
5K
VIEWS

Does NDSolve have an upper limit requirement of the number of equations?

QUESTION FROM: Lammond Wan | 8 years ago BY: Michael Rogers
Equation Solving , Mathematics , Numerical Computation , ...
9
REPLIES
7K
VIEWS

[?] Plot the following function and check if it is right?

QUESTION FROM: Harikrishnan A | 8 years ago BY: Harikrishnan A
Graphics and Visualization , Mathematica , Mathematics , ...
9
REPLIES
3.6K
VIEWS

[?] Decouple the differential equations by using Dsolve?

QUESTION FROM: Mirza Farrukh Baig | 8 years ago BY: Mirza Farrukh Baig
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
7K
VIEWS

How to use the Wolfram|Alpha time dilation calculator on Black Holes?

QUESTION FROM: Jack M | 8 years ago BY: Joseph Wiese
Astronomy , Mathematics , Physics , Wolfram|Alpha
9
REPLIES
31.9K
VIEWS

[?] Pick columns or rows of a matrix?

QUESTION FROM: Pierre Dehez | 8 years ago BY: Michael Rogers
Algebra , Mathematics , Wolfram Language
9
REPLIES
8K
VIEWS

Avoid message error "MemoryAllocationFailure" with NonlinearModelFit?

QUESTION FROM: Gustavo Dacanal | 8 years ago BY: Gustavo Dacanal
Optimization , Mathematics , Wolfram Language
9
REPLIES
14.5K
VIEWS

[?] Perform a nonlinearmodelfit of data?

QUESTION FROM: Riccardo Moro | 8 years ago BY: Daniel Lichtblau
Data Science , Graphics and Visualization , Optimization , ...
9
REPLIES
8.6K
VIEWS

[?] Get gradient of a function?

QUESTION FROM: Ghady Almufleh | 9 years ago BY: Neil Singer
Calculus , Mathematics , Wolfram Language
9
REPLIES
9.7K
VIEWS

Improve the accuracy of calculations of a quadratic cosine?

QUESTION FROM: Aleksey Belyanin | 9 years ago BY: Mariusz Iwaniuk
Graphics and Visualization , Mathematics , Numerical Computation , ...
9
REPLIES
7.2K
VIEWS

[?] Fastest way to compute integral in loops?

QUESTION FROM: Abdullah Alhag | 9 years ago BY: Neil Singer
Compilation , Mathematics , Numerical Computation , Wolfram Language
9
REPLIES
12K
VIEWS

Integrate[1/x, x] should give Log[Abs[x]] but does not ?

QUESTION FROM: Gennaro Arguzzi | 9 years ago BY: Michael Rogers
Calculus , Mathematics , Wolfram Language
9
REPLIES
20.1K
VIEWS

Get the common denominator?

QUESTION FROM: Zharou Fisher | 9 years ago BY: Valeriu Ungureanu
Mathematics , Wolfram Language
9
REPLIES
13.6K
VIEWS

[?] Solve two non-linear equations?

QUESTION FROM: Sotiris Tsat | 9 years ago BY: Bill Simpson
Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
6.7K
VIEWS

[?] Ratios in expanded Fibonacci series?

QUESTION FROM: Mark Good | 9 years ago BY: Mark Good
Discrete Mathematics , Mathematics , Wolfram Language
9
REPLIES
8.8K
VIEWS

Use Solve with a condition of a limit x is much less than D?

QUESTION FROM: Adam Szewczyk | 9 years ago BY: Daniel Lichtblau
Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
319K
VIEWS

[?] Simplify the following expression under Integral sign?

QUESTION FROM: Arny Toynbee | 9 years ago BY: Arny Toynbee
Calculus , Mathematics , Wolfram Language
9
REPLIES
5.8K
VIEWS

[?] Solve and Plot a 2D heat conduction problem (laser heating)?

QUESTION FROM: Xing Zhang | 9 years ago BY: Xing Zhang
Engineering , Equation Solving , Graphics and Visualization , ...
9
REPLIES
10.8K
VIEWS

Series algorithm changed between Mathematica 11.0.0.0 and 11.1.0.0

QUESTION FROM: Amir-Kian Kashani-Poor | 9 years ago BY: Frank Kampas
Calculus , Mathematica , Mathematics , Wolfram Language
9
REPLIES
5.8K
VIEWS

[?] Plot this gaussian function?

QUESTION FROM: Anonymous User | 9 years ago BY: Anonymous User
Graphics and Visualization , Mathematics , Wolfram Language
9
REPLIES
7.3K
VIEWS

[?] Plot a left and a right axis with ListPlot?

QUESTION FROM: Andras Gilicz | 9 years ago BY: Jos Klaps
Graphics and Visualization , Mathematics , Wolfram Language
9
REPLIES
15.4K
VIEWS

Using NetModel to "fine tune" models with new final layers?

QUESTION FROM: David Cardinal | 9 years ago BY: David Cardinal
Machine Learning , Mathematics , Neural Networks , Wolfram Language
9
REPLIES
23.5K
VIEWS

Solve this equation?

QUESTION FROM: Anonymous User | 9 years ago BY: Anonymous User
Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
5K
VIEWS

Make a KAM Torus in Wolfram Language?

QUESTION FROM: Luis Ledesma | 9 years ago BY: Luis Ledesma
Geometry , Graphics and Visualization , Mathematics , Recreation , ...
9
REPLIES
15.7K
VIEWS

Pick out pairs of numbers in a list that add up to any number in 2nd list?

QUESTION FROM: Manjunath Babu | 9 years ago BY: Sander Huisman
Algebra , Mathematics , Wolfram Language
9
REPLIES
12.5K
VIEWS

Compute accurately Exp[x^2]*Erfc[x] in a wide range of x?

QUESTION FROM: Leslaw Bieniasz | 9 years ago BY: Mariusz Iwaniuk
Equation Solving , Mathematics , Symbolic Computations , ...
9
REPLIES
6.9K
VIEWS

Generate number combinations using KnapsackSolve[] function?

QUESTION FROM: Manjunath Babu | 9 years ago BY: Daniel Lichtblau
Algebra , Mathematics , Wolfram Language
9
REPLIES
12.9K
VIEWS

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

QUESTION FROM: Jonas N. | 10 years ago BY: Jonas N.
Algebra , Chemistry , Equation Solving , Mathematics , ...
9
REPLIES
13.4K
VIEWS

Measure the diameters of an ellipsoidal shape?

QUESTION FROM: SAMM Hill | 10 years ago BY: David Keith
Geometry , Graphics and Visualization , Mathematics , Wolfram Language
9
REPLIES
13.4K
VIEWS

Using ReplaceAll (/.) with complex variables?

QUESTION FROM: Paul Hillman | 10 years ago BY: Sander Huisman
Algebra , Mathematics , Wolfram Language
9
REPLIES
9.2K
VIEWS

Change ComplexInfinity in 1/0 to Infinity?

QUESTION FROM: Oskar S | 10 years ago BY: Oskar S
Mathematics , Symbolic Computations , Wolfram Language
9
REPLIES
8.6K
VIEWS
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