stopWords — Return common stop words for supported Text Analytics languages.
stopWords returns a column string array of common stop words. stopWords('Language', language) selects English ('en'), Japanese ('ja'), German ('de'), or Korean ('ko').
Syntax
words = stopWords
words = stopWords('Language', language)Inputs
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
Name | StringScalar | Yes | Language | Language option name. |
language | StringScalar | Yes | en | Stop word language: en, ja, de, or ko. |
Returns
| Name | Type | Description |
|---|---|---|
words | Any | Stop word list. |
Errors
| Identifier | When | Message |
|---|---|---|
RunMat:stopWords:InvalidInput | Inputs are not a supported stopWords form. | stopWords: invalid input |
How stopWords works
stopWordswith no inputs returns the English stop-word list.stopWords('Language', language)accepts scalar string or character-vector option values.- The supported language codes are
en,ja,de, andko, matching the Text Analytics Toolbox language set for this function. - The output is a string column vector with shape
N x 1. - RunMat provides compatibility stop-word lists for the documented languages. The list contents cover common function use such as building removal sets for text preprocessing; exact release-to-release MathWorks vocabulary identity is not guaranteed.
removeStopWordsconsumes these lists for lightweight RunMattokenizedDocumentobjects; custom token deletion remains part of the broader Text Analytics object surface.
GPU memory and residency
stopWords returns host-resident strings and has no provider kernel.
Examples
Get English Stop Words
words = stopWordsExpected output:
words = N×1 string
"a"
"about"
"above"
...Get German Stop Words
words = stopWords('Language','de')Expected output:
words = N×1 string
"ab"
"aber"
"alle"
...Use Stop Words In A Custom Filter
words = stopWords;
custom = [words; "runmat"; "matlab"]Expected output:
`custom` is a string column vector suitable for text-preprocessing workflows.Using stopWords with coding agents
Open a RunMat example with live inputs, then ask the agent to explain how stopWords changes the result.
Run a small stopWords example, explain the result, then change one input and compare the output.
FAQ
Which language codes are accepted?⌄
en, ja, de, and ko are accepted. Other language codes raise RunMat:stopWords:InvalidInput.
Is this tied to tokenizedDocument?⌄
stopWords is a standalone list function, and removeStopWords uses the same lists for tokenized-document filtering.
Does stopWords execute on the GPU?⌄
No. It returns host string metadata, so no runmat-accelerate provider path is involved.
Related Strings functions
Text Analytics
addDependencyDetails · addEntityDetails · addLemmaDetails · addPartOfSpeechDetails · addSentenceDetails · addTypeDetails · bagOfNgrams · bagOfWords · cosineSimilarity · doc2sequence · encode · extractFileText · extractHTMLText · fastTextWordEmbedding · findElement · getAttribute · htmlTree · ind2word · isVocabularyWord · normalizeWords · readWordEmbedding · removeLongWords · removeShortWords · removeStopWords · removeWords · tokenDetails · tokenizedDocument · trainWordEmbedding · vaderSentimentScores · vec2word · word2ind · word2vec · wordEncoding · writeWordEmbedding
Transform
append · deblank · erase · eraseBetween · erasePunctuation · eraseURLs · extractAfter · extractBefore · extractBetween · insertAfter · insertBefore · join · lower · pad · replace · replaceBetween · reverse · split · splitlines · strcat · strip · strjoin · strjust · strrep · strsplit · strtrim · upper
Core
blanks · char · compose · convertCharsToStrings · convertContainedStringsToChars · convertStringsToChars · genvarname · int2str · isletter · isspace · isStringScalar · isstrprop · mat2str · native2unicode · newline · num2str · sprintf · sscanf · str2double · str2num · strcmp · strcmpi · string · string.empty · strings · strlength · strncmp · strncmpi · strtok · unicode2native
Search
contains · endsWith · matches · startsWith · strfind
Pattern
digitsPattern · lettersPattern · pattern · regexpPattern · textBoundary · wildcardPattern
Open-source implementation
Unlike proprietary runtimes, every RunMat function is open-source. Read exactly how stopWords is executed, line by line, in Rust.
- View the source for stopWords in Rust on GitHub
- Learn how the RunMat runtime works
- Found a bug? Open an issue with a minimal reproduction.
About RunMat
RunMat is an open-source runtime that executes MATLAB-syntax code blazing on any GPU. It is licensed under the Apache 2.0 license.
- RunMat automatically optimizes your math for GPU execution on Apple, Nvidia, and AMD hardware. No code changes needed. Simulations that took hours now take minutes.
- Start running code in seconds. RunMat runs in the browser, on the desktop, or from the CLI. No license server, no IT ticket.