Questions tagged [scoping]
Questions on Mathematica's scoping constructs (Block, Module, With, etc.)
589 questions
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4
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`With` with auto-generated local variables
The strange goal
I want to do something like this
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- 4,293
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0
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28
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Symbols in Block not cleared [duplicate]
The symbols X1, X2, X3, mu, and M already have values as below. The goal is to temporarily clear these variables, perform symbolic calculations with these symbols, ...
- 1,484
2
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2
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226
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Plot with local variables in Module[]: module or no module?
I need to draw sth using Plot (example below). I prefer using local variables in Module so that variables don't interfere others ...
- 451
4
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1
answer
216
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is it possible to break a module into several sections
There are certain reasons to write certain variables and expressions in different
adjacent sections or subsections. Is it possible to span a module over sections or subsections like this to separate ...
- 451
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1
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130
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0
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132
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How can I plot the graph of Q versus V? [closed]
I want to plot the graph of Q versus V, but my code doesn't work, and the output for Q and V are both empty. Could you help me identify the problem?
This is my code:
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- 13
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2
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206
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Unexpected behaviour of Module and/or DynamicModule
The following two functions are identical, apart from the fact that the first one uses Module and the second oneDynamicModule.
<...
- 10.4k
2
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4
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182
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Saving and recalling information in Manipulate using localized parameters
I want to allow users to enter some parametrized plots, using the variable t. I want the variable t to be localized to a ...
- 470
5
votes
2
answers
400
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Local indexed variables in With
I need to use local indexed variables inside With but it is not allowed, the same for Block and ...
- 32.8k
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0
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75
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Unprotect/Clear only within a local context
I'm working on a project, and I want to Unprotect and ClearAll the properties of NonCommutativeMultiply, but only within a local ...
- 470
3
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0
answers
68
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Help understanding why Module variables (e.g. esoteric) sometimes persist as scoped (esoteric$) in the name space, and sometimes not
This part will print the change:
nomos = Names["Global`*"];
Print @ Complement[Names["Global`*"],nomos];
And in between you can run one of ...
- 155
2
votes
1
answer
196
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Should large data be localized in DynamicModule, and why does wrapping Module around it cause syntax warnings?
Apologies for the long question. The question is more pedagogical than practical.
I am trying to improve the performance and usability of a simulation and its visualization. The root of the question ...
- 7,544
0
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1
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135
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Symbol in Global Context but List in Module and Block? [duplicate]
Can someone explain the principles underlying the following behavior.
I define the list testD, and then use a Do loop to change values in the list (I realize there are smarter ways but they don't fit ...
- 505
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2
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167
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Local functions of global variables in Blocks
I am very confused by the difference in behaviour of the following two functions:
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- 101
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1
answer
155
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Evaluate section in a loop
I would like to evaluate a section several times for different values of some variables. I can evaluate it once with a simple command, but not in a loop.
To evaluate it only once, this code works
<...
- 1,122