Questions on attributes of functions in Mathematica.

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25
votes
1answer
224 views

Quickly look-up usages, options and attributes of symbols

When I'm writing code in the front-end, I find myself very often looking up the list of options of a symbol over and over again in the documentation center. In most cases you find there a list of ...
23
votes
2answers
681 views

Block attributes of Equal

I answered “Equating matrices (or higher order tensors) element-wise” with: ...
16
votes
1answer
345 views

How do you set attributes on SubValues?

SubValues, as discussed in a previous question, are declared as follows ...
13
votes
2answers
298 views

SetAttributes[f,Flat]: Why the order dependence?

I'm experiencing a strange phenomenon. Here's a (quite artificial) test case: The following definition work just fine: ...
11
votes
1answer
142 views

Why are the attributes of Plot changing?

In version 9, with a newly started Mathematica session, try the following code: ...
9
votes
4answers
357 views

how to differentiate formally?

I have been wrapping my head around this for a while now and I have not found a solution so far. I want to work with an arbitrary number of variables in mathematica and use some built in functions. ...
9
votes
1answer
93 views

Package automated way of ReadProtecting all symbols

My template for building packages has, at the end, the following expression that automatically ReadProtects all symbols defined in my ...
6
votes
1answer
65 views

Custom attributes?

Is it possible to assign custom attributes to symbols and check them later? SetAttributes[a, b] says ...
6
votes
1answer
140 views

DiracDelta attributes

Is there any reason why DiracDelta isn't a NumericFunction but DiracComb is? I just ate a ...
5
votes
2answers
149 views

Force integration to be linear over sum?

Is there an obvious way to force Mathematica to separately integrate the terms in a sum? According to the docs, When part of a sum cannot be integrated explicitly, the whole sum will stay ...
5
votes
2answers
121 views

Why rule does not work if Flat attribute?

The following works: ...
4
votes
3answers
166 views

Define an 'inner product' with AngleBracket

I want to define my own little 'Inner Product' function satisfying properties of linearity and commutativity, and I'd like to use the "$\langle$" and "$\rangle$" symbols to output my results. For ...
4
votes
1answer
145 views

Why can't I remove Orderless from Plus?

I am making some random algebra equations, and I want to have the ordering be random too, such that if my random equation generator makes x+1, the output stays ...