Tag: faq

482 What are the most common pitfalls awaiting new users? 2013-01-24T22:00:52.733

184 Elegant operations on matrix rows and columns 2012-03-16T08:23:45.897

129 Get a "step-by-step" evaluation in Mathematica 2012-01-18T11:56:17.447

99 How do I clear all user defined symbols? 2012-01-28T11:40:21.090

97 Why should I avoid the For loop in Mathematica? 2017-01-02T14:40:36.080

93 Replacement inside held expression 2011-07-09T06:46:19.533

92 Plot draws list of curves in same color when not using Evaluate 2012-02-14T07:21:40.930

57 How to avoid returning a Null if there is no "else" condition in an If construct 2012-03-30T08:36:35.743

57 Can I simplify an expression into form which uses my own definitions? 2012-04-02T08:56:22.443

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

52 Changing Values in an Association using Map 2014-07-21T21:47:45.513

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

48 Why does MatrixForm affect calculations? 2012-03-16T19:47:50.670

47 Enforcing correct variable bindings and avoiding renamings for conflicting variables in nested scoping constructs 2013-03-06T18:28:21.163

45 Funny behaviour when plotting a polynomial of high degree and large coefficients 2012-03-18T02:09:44.477

44 How to create symbols from strings and set values for them? 2012-01-26T23:05:44.847

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

43 Function in Table 2012-07-01T17:10:38.567

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

41 What is the most efficient way to add rows and columns to a matrix? 2012-01-18T18:37:24.330

39 Can a function be made to accept a variable amount of inputs? 2012-06-09T01:18:26.203

39 How can I plot implicit equations? 2013-10-24T13:31:51.130

38 How to modify function argument? 2013-01-14T17:35:27.717

35 Why are all the lines commented when I create a Mathematica script? 2012-08-27T17:29:52.400

31 Plot Option Precedence while combining Plots with Show[] 2012-01-18T09:01:18.990

30 How are parameters evaluated for a Plot in Manipulate 2012-09-14T07:09:43.620

30 How do I convert an argument list to a sequence of arguments? 2012-09-19T20:22:30.267

30 How do I identify the source of a "Tag times protected" error? 2012-10-12T19:40:10.587

29 Plotting several functions 2012-02-06T19:10:39.550

29 How does Return work? 2011-12-16T12:43:37.630

28 Replacing composite variables by a single variable 2012-03-25T03:28:45.020

27 General::ivar is not a valid variable when plotting - what actually causes this and how to avoid it? 2012-02-04T13:53:23.987

27 What do the X and Y axis stand for in the Fourier transform domain? 2015-06-04T11:00:28.197

25 Ordering problem 2012-03-08T15:27:31.313

25 Extracting variables from an expression 2013-03-13T20:16:35.770

23 Nested definition: How can I define a function with a passed-in expression? 2012-08-31T09:00:44.903

21 Combining values in one column (or part) when values in another column (or part) match 2012-04-16T23:21:34.763

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

17 Matrix Multiplication in context of row and column vectors 2014-01-13T22:29:33.720

16 Splicing a list of arguments into a function with Sequence 2013-02-08T02:02:38.980

14 How to plot periodic function's graphic? 2013-09-20T08:37:25.790

12 Evaluating an If condition to yield True/False 2012-07-27T23:36:05.463

12 Replace very small numbers by zero in the output of a list 2013-03-19T15:54:31.817

12 Unexpected behavior of rule matching a pattern 2013-04-08T08:06:57.670

11 Dr. StrangeNumbers or: How I Learned to Stop Worrying and Love Floating Point Arithmetic 2012-05-15T12:36:45.020

11 Capital Letters that are built-in symbols 2016-06-08T05:08:18.093

10 Programming with Dynamic 2012-05-20T09:49:12.820

10 Confused by (apparent) inconsistent precision 2012-09-14T10:04:41.893

9 White regions in DensityPlot — is this a bug with ColorFunctionScaling? 2012-11-08T01:05:30.033

9 A problem about function N 2014-07-19T11:04:08.563

8 Preventing cell height adjustment when rotating 3D graphics 2013-05-16T00:50:39.397

8 Package functions and symbolic calculations 2016-05-10T10:10:42.853

7 Efficient method for Inserting arrays into arrays 2014-03-21T15:01:47.830

7 Grid with Frame->All: How to not draw frames around empty cells? 2017-09-23T11:44:22.733

7 Why changing to float-point value does't improve the speed? 2018-06-05T01:40:30.073

5 With vs. Block scoping of parameters for Plot 2018-09-30T20:50:08.153

4 Change the height of a function being plotted 2012-05-06T05:27:49.840

4 Mathematica not plotting whole logarithmic function 2013-08-19T09:41:23.960

4 Keep only rules that replace integers with other integers 2018-06-05T00:23:50.923

4 How to preserve scaled circular shapes when combining graphics? 2018-06-26T18:17:06.173

2 Piecewise Function, Explanation of Extra Case 2015-12-17T04:15:50.593