Linked Questions
1,055 questions linked to/from What are the most common pitfalls awaiting new users?
14
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2
answers
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Modifying parameters: Set::setps in the part assignment is not a symbol [duplicate]
Ok, this will probably be a silly question, but I can't get my head around it.
I'm making a simple module that, given a list and two integers, will swap the position of the elements in the list.(...
- 243
5
votes
5
answers
359
views
How can I get rid of the parenthesis in Mathematica? [duplicate]
I am new in mathematica , I am trying to solve an equation and show a graph of the solution and I am getting empty graph because of the additional Parenthesis I get .
for example I want to get ...
- 147
11
votes
1
answer
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Difference between = and := [duplicate]
I wanted to know the difference between two operators:
= and :=
I couldn't find the ":=" operator on the list at https://reference.wolfram.com/language/tutorial/Operators.html
Can someone help?
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- 111
9
votes
1
answer
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Memory not freed after running Clear when using a Table [duplicate]
When I'm creating large lists with Table I see the memory footprint increasing.
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- 3,812
1
vote
2
answers
13k
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"not a list of numbers" and "cannot be used for replacing " [duplicate]
I am trying to plot a function which is based on the solution of some equation; I could get the correct figure but only after lots of warnings are printed out. The following is a minimum version of ...
- 143
6
votes
5
answers
294
views
On reimplementing the Select function [duplicate]
I am working through the course Programming Paradigms via Mathematica. One of the exercises asks that you construct a function that mimics Select,even with three ...
- 687
7
votes
1
answer
1k
views
Discrepancy between Matlab and Mathematica Fourier parameters [duplicate]
MATLAB and Mathematica have different FFT normalization parameters. This is easy to change in Mathematica with the FourierParameters -> argument, but anything ...
- 85
1
vote
1
answer
7k
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Append[] is not working for empty list [duplicate]
I am trying to create an empty list and add an element but the list is not being populated.
My code
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- 173
6
votes
1
answer
685
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Fourier in Mathematica different from octave [duplicate]
First I create a table of sin(x) within 0, 10
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- 961
2
votes
2
answers
2k
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How to define a function based on the output of DSolve? [duplicate]
I would like to define a function based on the output of the following DSolve call:
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- 621
3
votes
2
answers
249
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Sorting and keeping the main format of list numbers [duplicate]
I have a list with these elements:
list={1/2 (1 + Sqrt[5]), 1, 1, 1/2 (1 - Sqrt[5]), 0};
I want to sort them with
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- 4,787
3
votes
2
answers
1k
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explanation of #1 and #2 [duplicate]
EDIT: This was marked as a possible duplicate. While the referenced other question does talk about slots, my question is more about how to understand how multiple slots (#1 and #2) work. Also, my ...
- 3,666
3
votes
2
answers
1k
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Find minimum value of function which calls NDsolve [duplicate]
I have defined a function which takes a coefficient for a differential equation as an argument, solves the differential equation with NDSolve, and returns the value of the solution at time t=10. I can ...
2
votes
2
answers
262
views
ImageData reverses the order of the row of an Image [duplicate]
Could someone convince me what is the utility of doing a function like ImageData that reverses the order of rows in an image?
Why was it coded like this? Why does ...
- 1,976
3
votes
2
answers
560
views
Maximizing a function defined using NIntegrate [duplicate]
I have two functions fn[x,y,z] which is in integral form and I have another function gn[x,y] which is also in integral form ...
- 325