User David McHarg - Mathematica Stack Exchange

David McHarg

Member for 10 years, 10 months
Last seen more than 8 years ago

United Kingdom

23 Questions

Score Activity Newest Views

46 votes

9 answers

11k views

How to draw a spring?

asked Nov 17, 2013 at 13:31

24 votes

3 answers

2k views

Select performance

asked Apr 27, 2013 at 16:08

19 votes

2 answers

971 views

How do I get a list of allowed values for an option?

asked Feb 13, 2013 at 11:49

12 votes

1 answer

2k views

What is the difference between prefix/postfix notations and map?

asked Feb 7, 2013 at 10:51

7 votes

4 answers

936 views

Manipulate flickering and consuming lots of CPU

asked Feb 17, 2013 at 16:52

7 votes

1 answer

2k views

NestList and Euler's method

asked Mar 25, 2013 at 15:12

5 votes

2 answers

3k views

Returning a function from a Module [duplicate]

asked Feb 26, 2013 at 18:35

4 votes

1 answer

1k views

Log function - why is Log[b,b] not being evaluated to 1?

asked Feb 8, 2013 at 14:08

3 votes

1 answer

1k views

Slide show - how to autorun manipulate

asked Jan 25, 2013 at 21:05

3 votes

3 answers

1k views

Tangent to a circle

asked Mar 27, 2013 at 17:00

2 votes

0 answers

96 views

SetDelayed and avoiding function calls through memoization [duplicate]

asked Mar 8, 2013 at 13:28

2 votes

0 answers

218 views

Programming Mathematica - Introduction by Paul Wellin [duplicate]

asked Jan 29, 2013 at 22:56

2 votes

1 answer

5k views

Shortcuts for integration and differentiation?

asked Feb 3, 2013 at 17:25

2 votes

1 answer

2k views

Typesetting - entering derivative in traditional form

asked Feb 7, 2014 at 22:44

2 votes

2 answers

916 views

Manipulate - why does the axis scale change when I release the slider?

asked Feb 4, 2013 at 15:03

1 vote

2 answers

3k views

Combining Graphics & ContourPlot using Show

asked Jun 4, 2013 at 21:08

1 vote

2 answers

865 views

NDSolve - 2nd order ODE - how to solve for y and y'

asked Nov 11, 2013 at 22:48

1 vote

1 answer

196 views

Mathematica presentations - will the Apple infra-red remote change slides?

asked Feb 4, 2013 at 11:34

1 vote

1 answer

3k views

Why doesn't my Manipulate work?

asked Jan 31, 2013 at 15:53

1 vote

0 answers

422 views

Manipulate - Flickering graphics

asked Apr 7, 2013 at 17:20

1 vote

2 answers

1k views

Matrix echelon/upper diagonal form

asked Apr 22, 2013 at 21:25

0 votes

1 answer

2k views

DSolve output - understanding how to extract result

asked Jan 26, 2013 at 1:15

0 votes

2 answers

82 views

Matching exponents using Cases[]

asked Jan 2, 2015 at 22:56