All Questions
Tagged with functions programming
112 questions
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Why does Mathematica not recognize an exact polynomial after SetDelayed command?
I am using the numerical analytic continuation method to find quasinormal modes of the black hole 2 with $s=0, l=1$ in arXiv:2209.00679, please see Table 1 of arXiv:2209.00679. However, my code is ...
- 61
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1
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233
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More professional way to write the code
I have this code(shorter version), there are 22 more schemes not just 3. This one works fine. I am trying to simply this code and write a nice and better version of it. Because I have more than 25 ...
- 259
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104
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How to use the tedious definitional results to make a next definition for FindRoot?
I am trying to use a designed function to find the quasi-normal modes.
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- 61
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1
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399
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What algorithm does Mathematica's `FindSequenceFunction` use, and can it be replicated in Python?
I am curious about the algorithm used by Mathematica's FindSequenceFunction to identify patterns in sequences. This function is powerful in finding closed-form ...
user99384
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84
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Using conditionals for a given function in Mathematica [closed]
I have two versions of a function (A and B)
When A fails, I get ...
- 21
1
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1
answer
97
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Recursive application of Grad in scalars
I am looking for an efficient way to apply Grad recursively to a scalar function. The code I have so far is in the structure below. I define the scalar function outside the loop, take its derivatives ...
- 729
4
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2
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144
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What does the "$" symbol mean in Mathematica programming? [duplicate]
I cannot find any reference to the $ in the Mathematica documentation, yet I frequently see it used, especially on StackExchange.
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How to apply a list with n elements to a function with n arguments? [closed]
The Multinomial function has n arguments.
For educational purposes I want to calculate Multinomial over a list (of solutions of the FrobeniusSolve function) like:
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- 9,687
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44
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Efficient construction of a formal polynomial using list manipulations
I have a code which is probably extremely inefficient given my inexperience with Mathematica list manipulation. Take as input data:
...
- 1,337
2
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1
answer
189
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Introduce formal symbols indexed by natural numbers
I'm going to describe a toy example here which I'm hoping with some help, I can then soup up into the more complex application I have in mind.
Suppose the input is a list of lists, and for now take ...
- 1,337
1
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1
answer
98
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generate quadratic functions to evaluate membership of points
How can I make a printable list with different quadratic functions and with points that belong or not to them so that a young person can check whether or not the point belongs to the parabola? my code ...
- 2,365
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141
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Storing python output to variables in Wolfram
Would like to use the external language input in python to save variables I can potentially use in Mathematica. Any chance there is a way to do this?
I do understand there might be a solution with ...
- 11
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answer
108
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Best way to write a function that randomly takes definition from list of functions?
I want to define a function based on a random choice from a list of possible functions.
For example, suppose the possible functions are {Sqrt,Log}. Then I want to ...
- 839
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3
answers
252
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generating lists of integers with constraint
Suppose you have the list $a=(k_1,k_2,k_3, \dots, k_N)$ such that $k_{i}\; (i=1,\ldots, N)$ are non negative integers. How can you get all the lists that satisfy the constraint $\sum_{i=1}^{N} k_{i}=M$...
- 678
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65
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How to emulate statistical command choice tab of this widget?-how to do what i ask?
I designed this little program, but I want you to be able to choose what I want to look for by choosing it as you do with the widget tab, please help me.
widget
Widget of internet
my program
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