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Questions tagged [system]

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Questions on implementation details and how the parts of Mathematica are arranged or configured to work. Avoid this tag for issues that are confined to a specific operating system.

198 questions
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2 votes
1 answer
274 views

OS : window 10 Mathematica : v12.2 By my mistake, I opened another mathematica kernel, not knowing a kernel was already running. I created a lot of .nb files and worked on them in another kernel, ...
andre314's user avatar
  • 19.6k
36 votes
8 answers
2k views

A bit of a loaded question, but in your opinion is Wolfram's team making good progress on improving their software? I've used Mathematica for almost 10 years now, and honestly I'm personally ...
Nasser's user avatar
  • 156k
0 votes
0 answers
86 views

I have the following system $$-a_1^2 + 2 a_0 a_2 - 2 b_0 b_2 =0\quad \text{and } \quad a_2^2 - 2 a_1 a_3 + 2 a_0 a_4 - b_2^2 - 2 b_0 b_4 =0$$ where the following $a_i, b_i$ are integral of some ...
hepphy's user avatar
  • 213
5 votes
1 answer
197 views

I can't edit system files whereas I used to be able to do so. I am not sure if this a Mathematica question or an operating sytem question, but I am hoping someone here might know the answer. I am ...
Andrew's user avatar
  • 10.6k
2 votes
0 answers
66 views

In earlier versions of Mathematica under macOS, I could hack the file ...
murray's user avatar
  • 12.2k
0 votes
0 answers
137 views

i downloaded a package but I'm having problem since the m-file shows as a Matlab code and not Mathematica code, can someone help how to fix this problem. I'm using windows 11 Mathematica 14 i already ...
AsukaMinato's user avatar
  • 10.6k
2 votes
0 answers
135 views

This default setting can cause subtle and difficult to find problems, such as inconsistent or incorrect answers when symbols, variables or functions in different notebooks have the same name. I speak ...
NemoX's user avatar
  • 61
4 votes
4 answers
345 views

First define length-component error (personal term) : This is an error when we want to get n-th component of a list if n is bigger then the length of the list. For example, ...
eldo's user avatar
  • 84.8k
0 votes
2 answers
380 views

I attached below the system of 5 equations that I am not able to solve using FindRoot. I also tried without defining the equations as functions but It didn't work. ` ...
Ulrich Neumann's user avatar
  • 61.9k
2 votes
1 answer
141 views

I am trying to create the following code to fit data to a system of ODE. ...
cvgmt's user avatar
  • 91.7k
0 votes
1 answer
215 views

I have a system of $15$ equations and $15$ key variables. Some of the equations are non-linear. Some constant variables in the equation can be equal to numbers to solve the system. I have to find a ...
Community's user avatar
  • 1
2 votes
2 answers
194 views

I am trying to get my head around the evaluation process. One of the general ideas is that whenever an expression is replaced by another the evaluation restarts in the new expression. I can't imagine ...
Felipe's user avatar
  • 729
-1 votes
2 answers
236 views

I am reformulating the question since it was apparently unclear. One of the comments made me find the correct programming language "syntax" for what I wanted to do(Thanks Nasser). In this ...
Felipe's user avatar
  • 729
5 votes
1 answer
299 views

I was developing a program and noted that Grad[0,{x,y,..}] was taking too much time to return zero vector (I do this many times, so the performance matters to me). ...
Domen's user avatar
  • 41.5k
0 votes
0 answers
96 views

Is it possible to do something before opening .nb ? I mean, When the Mathematica kernel(?) receives a command to open the .nb, ...
Vitaliy Kaurov's user avatar
  • 74.9k

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