User David McHarg - Mathematica Stack Exchange

David McHarg

Member for 9 years, 5 months
Last seen more than 7 years ago

United Kingdom

23 Questions

Score Activity Newest Views

45 votes

9 answers

11k views

How to draw a spring?

graphics animation

asked Nov 17, 2013 at 13:31

23 votes

3 answers

2k views

Select performance

performance-tuning filtering

asked Apr 27, 2013 at 16:08

19 votes

2 answers

843 views

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

options

asked Feb 13, 2013 at 11:49

12 votes

1 answer

2k views

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

functions syntax

asked Feb 7, 2013 at 10:51

7 votes

4 answers

889 views

Manipulate flickering and consuming lots of CPU

manipulate

asked Feb 17, 2013 at 16:52

7 votes

1 answer

1k views

NestList and Euler's method

differential-equations programming numerical-integration

asked Mar 25, 2013 at 15:12

5 votes

2 answers

3k views

Returning a function from a Module [duplicate]

differential-equations

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?

evaluation

asked Feb 8, 2013 at 14:08

3 votes

1 answer

1k views

Slide show - how to autorun manipulate

manipulate

asked Jan 25, 2013 at 21:05

3 votes

3 answers

1k views

Tangent to a circle

manipulate

asked Mar 27, 2013 at 17:00

2 votes

0 answers

96 views

SetDelayed and avoiding function calls through memoization [duplicate]

programming memoization

asked Mar 8, 2013 at 13:28

2 votes

0 answers

207 views

Programming Mathematica - Introduction by Paul Wellin [duplicate]

programming

asked Jan 29, 2013 at 22:56

2 votes

1 answer

5k views

Shortcuts for integration and differentiation?

keyboard

asked Feb 3, 2013 at 17:25

2 votes

1 answer

1k views

Typesetting - entering derivative in traditional form

formatting

asked Feb 7, 2014 at 22:44

2 votes

2 answers

829 views

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

manipulate

asked Feb 4, 2013 at 15:03

1 vote

2 answers

3k views

Combining Graphics & ContourPlot using Show

graphics

asked Jun 4, 2013 at 21:08

1 vote

2 answers

845 views

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

numerical-integration

asked Nov 11, 2013 at 22:48

1 vote

1 answer

193 views

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

slideshows

asked Feb 4, 2013 at 11:34

1 vote

1 answer

3k views

Why doesn't my Manipulate work?

manipulate

asked Jan 31, 2013 at 15:53

1 vote

0 answers

409 views

Manipulate - Flickering graphics

manipulate

asked Apr 7, 2013 at 17:20

1 vote

2 answers

1k views

Matrix echelon/upper diagonal form

matrix linear-algebra

asked Apr 22, 2013 at 21:25

0 votes

1 answer

2k views

DSolve output - understanding how to extract result

differential-equations

asked Jan 26, 2013 at 1:15

0 votes

2 answers

81 views

Matching exponents using Cases[]

pattern-matching

asked Jan 2, 2015 at 22:56