Linked Questions
27 questions linked to/from V10's Operator Forms - what are they good for?
608
votes
19
answers
161k
views
Where can I find examples of good Mathematica programming practice?
I consider myself a pretty good Mathematica programmer, but I'm always looking out for ways to either improve my way of doing things in Mathematica, or to see if there's something nifty that I haven't ...
164
votes
3
answers
14k
views
How to make use of Associations?
I have been curious about it for long. Now that Mathematica 10 arrives, I think it's time to ask the question: How the new Association data structure would be used ...
- 7,477
52
votes
3
answers
6k
views
Changing Values in an Association using Map
I am trying to change the value of one key in an association based on the value of another key in that association. So if my association starts as:
...
- 645
37
votes
3
answers
1k
views
Is there a comprehensive list of functions with operator forms?
As of version 10, Mathematica sports operator forms for many functions like Map, SortBy, ...
- 8,856
20
votes
6
answers
9k
views
How to completely delete the head of a function expression
Is there any way to completely remove the head of an expression function?
For example, how would I remove the head Cos from ...
- 20.2k
36
votes
2
answers
3k
views
Define parameterized function
I would like to be able to define the gain function of a system from its parameters. Specifically, I'd like to define a function that accepts two inputs, call them $b$ and $w$, and returns a function ...
- 4,311
32
votes
2
answers
2k
views
What is the difference between Composition (@*) and sequential applications (@)?
What is the difference between
f@*g@*h@x
and
f@g@h@x
Both evaluate to
f[g[h[x]]]
...
- 13k
53
votes
3
answers
5k
views
How to export a Mathematica notebook into Markdown?
Is there a way to export a Mathematica notebook into Markdown?
I'm sure it's possible to implement rules for converting each Mathematica cell subexpression into Markdown, but I'm also sure that I ...
- 31.9k
12
votes
9
answers
764
views
Split according to list and apply rule
I have a list which looks some thing like this
{a1, a2, a3, a4, a5, a6, a7, a8, a9, a10}
Now I want to split it according to lengths ...
- 1,243
37
votes
2
answers
2k
views
Going full functional (Haskell style)
I'm trying to define some notation so that Mathematica code would be more functional, similar to Haskell (just for fun): currying, lambdas, infix operator to function conversion, etc.. And I have some ...
- 8,073
8
votes
6
answers
2k
views
Partial sum of a list
The problem I have is really basic but I just can't get my head around it.
Suppose I have a list of ordered pairs
A = {{a, b}, {c, d}, {e, f}, {g, h}, ...}.
I ...
- 437
9
votes
3
answers
3k
views
Postfix with two arguments
This must be a duplicate but I can't find any related post.
I want to pass two arguments to a function using postfix syntax like
f[a_,b_]:=a+b;
1,2//f
More ...
- 619
10
votes
2
answers
797
views
Unexpected behavior when using SortBy as a dataset filter
I am still experimenting with datasets. Recently I tried to query the Titanic example to get info on the oldest passengers. Here is what I tried
...
- 109k
6
votes
3
answers
569
views
How to use `in` for MemberQ
I'd like to use ∈ for MemberQ, but I don't want to break anything! The usage would be like this:
...
- 3,970
11
votes
2
answers
516
views
Built-in symbols that support operator form [duplicate]
In version 10 some built-in symbols are updated to support operator form like the Derivative. For example, Select, ...
- 1,429