Tag: equation-solving

98 What is the difference between Reduce and Solve? 2012-12-31T04:03:30.903

80 Updating Wagon's FindAllCrossings2D[] function 2012-01-19T14:17:59.047

56 Assign the results from a Solve to variable(s) 2012-06-11T13:13:19.977

49 Find eigen energies of time-independent Schrödinger equation 2013-09-13T23:05:01.643

45 About multi-root search in Mathematica for transcendental equations 2012-05-17T07:52:59.270

44 How do I work with Root objects? 2012-10-28T00:01:24.480

40 Does Mathematica have a built-in tool that allows one to operate on both sides of an equation? 2015-06-26T04:59:24.563

38 The Orbit and Perigee of the Flamsteed comet 2013-05-15T11:55:14.817

37 Nonlinear FEM Solver for Navier-Stokes equations in 2D 2015-09-17T23:46:17.637

36 Marking points of intersection between two curves 2012-09-12T00:49:05.340

31 Finding unit tangent, normal, and binormal vectors for a given r(t) 2013-01-28T11:08:03.533

31 Finding the intersection of a curve with an interpolation function 2014-02-14T16:09:32.040

30 Plotting the Star of Bethlehem 2020-12-14T17:48:08.833

29 Solve slower in versions 9 and 10 2015-07-31T22:08:11.863

28 How to get intersection values from a parametric graph? 2013-10-13T14:54:29.330

27 How to find numerically all roots of a function in a given range? 2015-08-17T20:28:51.693

27 Fast calculation of discrete logarithms 2015-09-27T00:44:23.023

26 Using the Krylov method for Solve: Speeding up a SparseArray calculation 2012-04-18T16:31:16.063

25 Using results of Reduce 2012-02-15T20:02:49.047

25 Is there any predictor-corrector method in Mathematica for solving nonlinear system of algebraic equations? 2016-01-21T21:46:05.070

24 Hightlight all the self-intersections of a Lissajous figure 2015-05-11T01:57:14.633

24 3D Elastic waves in a glass 2020-02-06T18:56:51.050

23 How to get rid of warnings when using Solve on an equation with inexact coefficients? 2012-05-26T14:03:30.903

23 Find all roots of an interpolating function (solution to a differential equation) 2012-12-16T22:56:23.070

23 Is Mathematica `ContourPlot` function really so efficient? 2015-02-18T19:53:54.730

22 Can Reduce *really* not solve for x here? 2012-04-24T12:11:43.203

22 Bug in Solve (Mathematica 9) 2013-02-08T18:48:54.493

21 How do I split up a curve into chords of equal length? 2012-08-01T10:52:27.063

21 FindRoot Domain restriction 2012-09-06T01:55:33.057

21 Error entering equation in DSolve 2014-01-13T06:11:06.923

20 Can Mathematica solve functional equations with nested variable? 2016-05-03T11:20:54.160

20 Partitioning a number into consecutive integers 2016-12-25T19:14:50.987

19 How do I find all the solutions of three simultaneous equations within a given box? 2012-10-01T13:12:24.217

19 What are the algorithm details of FindRoot? 2013-11-26T08:15:26.223

19 Numerically solve the initial value problem for the 1-D wave equation 2016-10-12T06:53:02.913

18 Determining the default Method used in optimization and root-finding algorithms 2012-11-15T13:05:17.820

18 Quiet doesn't work with FindRoot when using Brent method 2013-02-24T13:49:44.100

18 How can I simulate this toggle mechanism? 2014-01-16T17:22:59.330

18 Solve differential equation using a integral form boundary condition 2015-06-19T20:53:09.270

17 What Method options does FindInstance accept? 2012-06-14T12:36:49.103

17 Getting an InterpolatingFunction from a ContourPlot 2012-07-05T22:01:36.560

17 How to make a Line[] with no end? 2012-09-15T09:28:45.320

17 Solving a time-dependent Schrödinger equation 2013-03-20T23:31:57.417

17 Solve symbolically a transcendental trigonometric equation and plot its solutions 2014-07-15T11:18:29.530

17 Implement the Bisection algorithm elegantly and easily 2014-12-28T13:51:17.833

17 periodic boundary conditions and NDEigensystem 2015-12-05T21:31:46.323

17 Find the equidistance curve between two curves 2020-12-05T23:38:50.417

16 Behavior of Reduce with variables as domain 2014-01-28T02:55:54.797

16 Solve a trig equation system 2015-06-26T01:15:52.280

16 How to implement Bresenham’s algorithm as a system of equations? 2015-10-05T13:14:05.637

16 How can I get the solutions of $x^n-x-t=0$ in hypergeometric form? 2015-11-02T14:36:04.897

16 Solution diverges in periodic PDE 2016-08-24T20:34:02.607

16 Backslide in NSolve in V11.1? 2017-04-18T03:12:46.387

16 Missing solution - system of equations 2020-06-08T13:46:14.510

15 Figuring when the minute and hour hand coincide on a clock 2012-01-24T00:31:09.270

15 Strange behaviour of Reduce for Mod[x,1] 2012-08-16T22:57:12.530

15 Why does repeating an equation help in FindRoot? 2012-09-21T13:44:51.967

15 NSolve gives additional solutions that don't satisfy the equations! 2012-10-31T20:51:25.267

15 How to get exact roots of this polynomial? 2013-01-04T16:13:42.193

15 FindInstance returns Indeterminate in version 9, but not in 8 2013-03-07T22:16:20.193

15 What are Root objects with multiple polynomials? 2013-05-10T00:31:35.117

15 Solving the magic backyard puzzle with MMA 2014-07-31T11:20:24.613

15 Defining the domain of positive real numbers 2015-03-27T00:25:38.817

15 Solve Laplace equation in Cylindrical - Polar Coordinates 2018-05-31T17:02:29.080

15 Possible bug in Solve function? 2019-01-05T21:50:55.290

15 How to solve this matrix equation 2020-01-19T05:43:35.637

14 Suppressing negative roots in Mathematica 2012-01-31T21:44:42.317

14 Proving inequalities with Mathematica 2012-06-12T04:55:26.513

14 NDSolve with vectors 2012-11-11T18:02:24.333

14 Is there a way to use functions like Prime[n] within Solve[]? 2012-12-01T19:20:46.323

14 How to find lattice points on a line segment? 2012-12-20T08:38:13.227

14 Why does Mathematica struggle with solving this equation? 2013-02-07T14:16:58.527

14 How can I find solutions for this equation? 2015-11-08T16:07:56.990

14 Jacobian of ParametricNDSolve and FindRoot for the Three Body Problem 2017-01-21T01:30:56.253

14 How to define a function inside a Compile? 2017-05-13T02:59:48.797

14 Convert symbolic to numeric code: speed up morphing 2019-11-05T08:00:10.723

14 NDSolve giving a wrong solution 2020-11-21T14:57:50.070

13 Google Code Jam: Mountain View code review 2012-06-03T15:36:06.140

13 How do I solve this equation? 2012-12-24T02:39:31.880

13 ToNumberField won't recognize Root as an explicit algebraic number 2013-04-24T00:34:34.533

13 How can I find all values of $m$ such that my cubic equation has three different positive solutions? 2013-07-18T13:27:12.420

13 1D quasicrystal: points on a line nearest to points on a lattice 2014-04-08T17:15:22.923

13 Does NRoots own an abstract counterpart? If not, can we write one? 2015-02-05T09:19:16.663

13 Time evolution/dynamics of circular plate with hole (Biharmonic equation and stiffness) 2015-09-14T17:05:29.890

13 NDEigensystem returns incorrect eigenvalues for 2D coulomb problem, eigenfunctions contain discontinuity 2016-04-28T21:59:11.220

13 Archimedes' Scheme to find $\pi$ 2016-05-01T06:12:53.407

13 How to find the perturbation of $x^2 − 1 = \epsilon x$? 2016-12-06T02:57:12.160

13 Finding vampire numbers 2017-03-11T12:52:16.523

13 Has Mathematica 12 gotten worse at solving simple equations? 2019-06-10T12:57:24.753

13 Numerically solving a system of many coupled non-linear ODEs efficiently? 2019-10-27T05:09:05.980

13 Reduce[Sin[x]==0,x] splitting odd and even multiples of Pi 2020-01-07T10:38:00.650

12 Solve[ ] with Method -> Reduce gives a different result than Reduce[ ] 2012-03-24T05:23:44.610

12 Mathematica implementation of Earth Movers Distance? 2012-04-04T20:55:32.683

12 Finding x given y from an interpolating function 2013-06-08T10:50:01.757

12 finding poles of a function 2013-06-12T15:36:30.823

12 Is there a way to symbolically invert a piecewise function 2013-11-04T16:18:15.960

12 Finding all possible solutions to a math mind game 2014-01-21T15:31:35.753

12 Finding "Maxima" and "Minima" on a B-Spline 2014-04-21T12:30:19.643

12 Find the minimum integer r such that $(10^r - 1)/37$ is an integer 2014-12-29T06:59:49.183