Tag: complex

89 How can I generate this "domain coloring" plot? 2012-06-23T11:06:08.453

50 Finding real roots of negative numbers (for example, $\sqrt[3]{-8}$) 2012-04-03T21:19:03.947

49 Möbius transformations revealed 2014-09-09T13:07:50.417

46 How to visualize Riemann surfaces? 2013-09-08T17:32:46.683

42 Plotting Complex Quantity Functions 2012-03-25T01:12:45.057

42 How to calculate contour integrals with Mathematica? 2013-10-15T16:01:34.600

40 How to tell Mathematica that certain variables are real/imaginary, integer-valued, etc 2014-11-21T22:50:06.807

27 How does Mathematica understand branchcuts of the complex logarithm? 2014-03-26T03:37:44.500

26 Visualizing a Complex Vector Field near Poles 2012-04-14T13:44:53.117

23 Numerical inverse Laplace-Hankel transform 2016-04-21T16:29:54.330

22 Why this real integral yields imaginary results? 2016-09-27T05:32:41.450

21 Why doesn't FullSimplify drop the Re function from an expression known to be real? 2012-04-11T14:17:47.857

19 Derivative of real functions including Re and Im 2012-04-01T18:40:31.310

19 Dual complex integral over implicit path using contour plot 2012-10-28T16:05:42.760

19 Plotting complex numbers as an Argand Diagram 2012-12-03T19:15:10.547

18 Moving the location of the branch cut in Mathematica 2012-11-17T20:04:46.243

17 Plotting complex Sine 2012-06-15T15:29:52.250

17 Factoring polynomials to factors involving complex coefficients 2012-07-12T21:11:50.370

17 Stereographic Projection 2013-04-22T17:58:42.327

17 Why is (-1.)^2. a complex number 2015-01-13T22:34:53.990

16 Complex number operations: telling Mathematica variables are real 2012-08-12T05:30:12.693

16 Why are Exp[3] and 2 treated differently within Complex? 2016-10-08T14:41:54.067

16 Plotting Joukowski Airfoil Streamlines using conformal maps 2019-12-14T14:19:52.447

15 How to specify assumptions before evaluation? 2012-02-28T02:31:41.693

15 How can I convert a complex number into an exponent form 2012-12-16T13:02:19.403

15 Inconsistent results from equivalent integrals 2013-03-08T04:38:45.923

15 Visualizing a holomorphic bijection between the unit disc and a domain 2017-09-17T19:18:13.690

15 Is there a workaround for this integral? 2018-09-17T07:59:37.530

15 How to convert this term to a Hypergeometric function? 2019-10-19T07:57:15.417

14 Why does Mathematica choose branches as it does in this situation? 2012-12-01T01:32:08.673

14 Paths integrals in the complex plane 2013-11-13T15:44:35.363

14 Does FindFit support complex numbers or doesn't it? 2014-07-15T04:44:08.990

14 Why does Abs return negative values? 2020-10-17T16:34:21.717

13 Bifurcation diagrams for multiple equation systems 2012-12-06T17:11:16.620

13 Remove annoying Conjugate 2012-12-15T05:19:22.597

13 How can I recreate Trott's Riemann Surface plot in Mathematica? 2012-12-28T21:47:26.210

13 Compiling the VoigtDistribution PDF 2013-02-20T17:17:45.750

13 How to compute the residue of $e^{z-\frac{1}{z}}$ at z=0? 2014-02-05T19:35:50.657

13 What is the best way to define Wirtinger derivatives 2017-04-14T11:38:41.333

13 Convert Real packed array of pairs to Complex packed array 2017-10-18T13:08:19.307

13 Finding and visualization of branch cuts and branch points 2019-04-05T11:56:31.030

13 Is there a faster way to calculate Abs[z]^2 numerically? 2019-05-10T14:17:09.120

12 Is Abs[z]^2 a bad way to calculate the square modulus of z? 2012-10-25T07:15:11.357

12 Why does Arg'[1. + I] return -0.5? 2019-04-25T07:48:16.563

11 Is there a simple way to plot complex numbers satisfying a given criteria 2012-04-24T03:30:28.080

11 Definition of Mod and Quotient with complex arguments 2016-05-04T22:27:42.703

10 Symbolic Integration along contour: branch cut problem? 2012-10-31T21:23:24.180

10 Forcing FindRoot to return only real solutions 2013-01-23T11:13:35.353

10 How do I put an image on the complex plane? 2013-03-14T12:09:10.287

10 Strange behavior of Limit in Mathematica 9 and 10 (bug?) 2015-03-18T11:08:26.220

10 Contour Integration along a contour containing two branch points 2015-04-21T07:00:02.320

10 FiniteElement v.s. TensorProductGrid: which is reliable for Schrödinger equation with periodic b.c.? 2018-12-18T17:42:32.690

9 RootSearch for complex or multiple equations 2012-02-16T16:11:46.247

9 Is it possible to set a variable as a positive one in the whole notebook? 2012-06-04T11:00:54.757

9 Image of first quadrant under $f(z)=(z+i)/(z-i)$ 2013-03-04T22:13:37.017

9 What is the value Re[Sqrt[1+I*2*x]]? 2013-03-05T16:54:24.123

9 Laurent series expansion 2013-04-19T02:35:43.007

9 Numerical contour integrations in the complex plane - contour deformation gives different answer for analytic kernel 2013-06-07T08:17:40.620

9 How do I find line integrals? 2013-08-23T22:43:21.127

9 Complex result for Real vectors in VectorAngle 2014-08-14T20:53:35.943

9 Pattern matching with Complex. Feature or a bug? 2015-03-03T15:28:30.763

9 Problem with Identifying Complex Components 2015-11-10T05:37:04.610

9 Branch cuts of sqrt 2016-03-04T16:07:57.210

9 Integrate and NIntegrate disagreeing over branch cut of Sqrt? 2016-05-26T22:43:10.087

9 NDSolve for complex BVPs and FindRoot 2016-08-21T10:52:14.887

9 Visualizing the primes with the Riemann Zeta function 2016-12-13T00:58:35.757

9 Contour integration, residues and precision of the poles 2018-05-18T11:54:04.083

9 Complex continuation of an interpolated function 2019-02-07T15:39:23.153

9 How to use Mathematica to do a complex integrate with poles in real axis? 2019-02-27T07:31:06.760

9 Why ArcTan[1, 0. I ] yields -1.5708+0. I? 2019-08-24T04:25:04.513

9 Dynamically getting the complex number in a color wheel via moving mouse? 2019-11-24T12:45:26.090

9 Multiplying two complex SparseArray objects, yielding empty SparseArray crashes kernel 2020-05-27T22:05:23.170

8 How can I plot the complex graph of $x^x$ in Mathematica? 2012-09-14T04:26:19.557

8 Testing for primality in quadratic rings? 2012-11-01T14:39:21.947

8 How to eliminate the zero real part of a purely imaginary number? 2013-01-15T12:33:16.450

8 Why does Mathematica not seem to know that $i^x$ cannot be equal to $0$? 2013-10-30T23:54:43.243

8 Why does N[Re@f] give complex result? 2014-08-28T03:37:30.467

8 Confusion regarding the incomplete elliptic integral of the first kind 2015-11-01T19:30:41.257

8 Symbolic and numeric limit disagreeing on branch cut of ArcTan 2016-05-29T00:18:16.400

8 Expansion for Modified Bessel Function Around Infinity 2016-08-05T19:09:12.430

8 How to make denominator of a complex expression real? 2016-10-09T16:48:23.763

8 How to recover Pauli matrices properties in Mathematica? 2016-10-27T22:32:23.877

8 Visualizing the Riemann zeta function 2016-12-12T13:27:10.040

8 Replace Complex Head with List 2017-05-06T11:18:40.370

8 Modify real part and leaves imaginary part unchanged 2019-10-01T22:41:52.130

8 Ugly streaks caused by Arg in a contour plot 2021-02-02T18:49:30.107

8 Simplify 1+Sqrt[2]I-Complex[1,Sqrt[2]] 2021-02-23T23:13:25.570

7 Wrapper for inexact numeric complex numbers that maintains polar form 2013-03-03T21:36:13.800

7 ComplexExpand absolute squared 2013-04-23T15:42:35.587

7 Riemann-Spherical Projection of Network onto the $\mathbb{R}^2$-Plane 2013-08-04T22:48:27.160

7 Draw the image of a complex region 2013-08-18T21:00:48.267

7 How to get rid of all complex numbers and functions? 2014-02-17T12:57:11.980

7 Getting Arg[z] to go from $0$ to $2\pi$ 2014-04-12T17:21:01.393

7 Speed up Schwarz-Christoffel mapping 2014-08-29T17:11:05.280

7 How do I plot the images of oriented curves under complex transformation? 2014-09-10T14:04:36.983

7 Complex conjugate 2015-03-17T23:23:37.193

7 Confirming conservation laws for complex valued functions 2015-06-18T07:04:35.460

7 How to calculate residues using different branches of the logarithm 2015-06-25T20:10:04.900

7 Exception with GatherBy: gathering complex conjugates 2015-10-29T18:45:42.317