What is the correct pattern to DeleteCases from a list?
I'm trying to get better with pattern matching but even after years of using MMA it's still a murky concept. The docs are actually pretty good in this regard but I still struggle. In this situation I...
View ArticleList of symbols wherein position encoded by number to string
How to transform list wherein position of the symbol encoded by number at second position{{a,6},{z,1},{g,2},{y,12}} to stringzg---a-----y
View ArticleModifying the first integer occurrence in a string
I have a problem with a list of strings where I want to change the first integer occurrence in each entry. The lines all look like this:" 1ICE MW 1 0.138 0.181 0.348" I am interested in changing the...
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Convert tikz (in tikzit) code to a graph in Mathematica
I want to convert a TikZ graph from TikZiT into a graph in Mathematica. I want to retain the vertices, edges, and the positions of the vertices. As for the color of the vertices or the style of the...
View ArticleHow to define a mixed pattern consisting of string and regular patterns for...
I'm kinda stuck here, and I could really use some help:I want to define a function, let's call it quarterValue, that accepts a Rule as an input and returns an appropriate expression as output.A...
View ArticleDeleting common words from a text
I have a sentence:text= {"Concerning the main ecological question on the complexity-stability relationship, our findings reveal that high species diversities and dynamical stability of growing...
View ArticleFinding anagrams of given length from DictionaryLookup
What I'm trying to find are the 4 letter words in the Mathematica dictionary that have the most anagrams and the amount of anagrams these have each.But I can't seem to find all the 4 letter words in...
View ArticleSelecting sublists from a ragged array of lists of strings
A ragged array of strings with a mix of sublists is processed to output some sublists and not others.The sublists to output have a date, data, and information; in no particular order.The information...
View ArticlePruning units from oscilloscope data
I'm trying to import some data in a .txt file which contains numbers and words. I import a list which consists of four rows of measured data acquired with an oscilloscope, but the acquisition program...
View ArticleDefining a string based sort function
I'm having a bit of trouble figuring out the right Sort syntax to use on a list of lists. Consider the following list:list={ {"B0T", "Ch72", "T0p36K", "Vdiv2047p92", "Vg75V"}, {"B0T", "Ch70", "T0p28K",...
View ArticleRemove words from a string that contain special characters
I have a string like this:string="there is a humble-bee in Hanna's garden";Now I want to exclude those words that contain "-" and "'". My own solution would...
View ArticleHow to scramble a string of text?
How to implement foo function which works like this:foo @ "abcdef""fdbace"Steps: "bacdef", "cabdef", "dbacef", "ecabdf", "fdbace"Reverse the first two letter of the string "abcdef" which will give...
View ArticleExtract substrings with defined length from a string
I have a string like this onestr = "this and that but also thit and that";Now I want to extract, the first 3 letters before and after " and " so that the outcome is{his and tha, hit and tha}I tried it...
View ArticleElegant and fast way to join all string sequences
I want to do what title says:{"a","b",1,2,3,4,"a",2,2,2,"edg","?"} => {"ab",1,2,3,4,"a",2,2,2,"edg?"}in the most elegant way. For example one replacement rule for ReplaceAll.I have manage to do...
View ArticleUse string as name of list
I want to use a string as the name of a list. I'm reading in text file names from a directory. Each of those text files has a 1-dim list of things. I'd like to create a list from the file name which...
View ArticleSplitting a string into substrings of length 1 and 2
There is already a thread on how to split a string into equal sized chunks.I'm wanting to split a string into sets of substrings of length 1 and 2.For example, if I have the string "123456", my list...
View ArticleRandomly reversing a substring
I was thinking about how to make this with the StringReverse, but I failed:I have a sequence of (for example):str = "FDSRTYNHFNKHLIUHG";I wish to reverse a randomly long contiguous sequence of...
View Articleread Python-generated data file
I've read similar-but-not-quite-the-same questions : I have to read a python-generated data file which contains complex numbers. So, the numbers appear as (real+imag j). And of course Mathematica read...
View ArticleA function that maps Held symbol to string
Rougly my question is about constructing a function that maps Hold[var] to "var"even when var has an assigned value. In details :In[1] var=22; A=Hold[var];Can we construct a function F such thatF[A]...
View ArticleSplit a String by minus and zero
How can a String like0.0002230.0012730.000296-0.0014380.0011270.0014690.001457-0.001017`be converted to{0.000223, 0.001273, 0.000296, -0.001438, 0.001127, 0.001469, 0.001457, -0.001017}
View ArticleRemove expression with matched braces from string
I am writing a LaTeX document where the custom command \chg{...} highlights changes in some color. Here I am, with a document of about 50 of those. Sure, one could just remove "\chg" everywhere, but...
View ArticleHow to extract citations from a document
I would like to extract citations from a document. I can use the following:txt = "Lorem ipsum dolor sit amet Name0 (2000), consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et...
View ArticleNYT Spelling Bee puzzle
I've written some code that provides answers to the daily NYT Spelling Bee puzzles which ask you to find words that can be constructed from 7 given letters, one of which must be present in each...
View ArticleHow to separate a filename from its extension [closed]
Is there a function that separates a filename from the extension? E.g.MyNotebook.nbwould become{ "MyNotebook", ".nb" }I looked at FileNameSplit[], but that leaves "MyNotebook.nb" as the last...
View ArticleTurn string with () as function brackets into expression
I have a text file with an equation where all the brackets are formatted as (). For example I read in the equation 2*(Re(a)+Im(b)) as a string. Now I am wondering if I can make this into an expression...
View ArticleHow to get the desired LLM response in string robustly with and without using...
I am trying to query a large language model from VS code using WolframEngine.However, ImportSting with JSON options does not work in extract the desired output string of the LLM response. So I use the...
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How to properly write fraction in style
I would like to write the following for the legend of a curve :$$ Theta = \frac{\pi}{2}$$Where the value $\frac{\pi}{2}$ is actually in a variable named $Theta$ (same name as the text on the lhs of the...
View ArticleMatch two lists based on same elements
I have two large lists:list1 = {{a,v},{a,h},{b,v},{b,k},{c,t},{c,r},{d,r}};list2 = {{v,dc},{v,rt},{h,kl},{h,oi},{h,po},{k,ö},{k,dc},{t,re},{r,qw},{r,ay},{r,ül}};Now I want a list that matches both...
View ArticleHow to speed up ToString[#,TeXForm]&?
Try the following code to convert the expression to LaTeX codef = Expand[(x/2 + y/3 + z/5 + 1/7)^20];str = ToString[f,TeXForm]; // AbsoluteTimingIt took about 1 minute, while sympy.latex only took 0.6...
View ArticleHow to parse out a word's position in a data set
I'm trying to find better ways to import data. My data set is a CSV that contains a parameters at the end of the file. For example in this two part list I want to find the position at which the word...
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