Community Profile

photo

Christopher Creutzig


Last seen: 1일 전

MathWorks

204 2011 이후 총 참여 횟수

연락

Christopher Creutzig's 배지

  • First Review
  • 3 Month Streak
  • Revival Level 3
  • Knowledgeable Level 2
  • First Answer
  • Commenter
  • Promoter
  • Solver

세부 정보 보기...

참여 게시물
보기 기준

답변 있음
How to set axis limit as a function of time with fanimator
Unfortunately, it is currently not possible to animate xlim/ylim/zlim with fanimator. Changing that would not be easy, based on ...

약 2달 전 | 0

답변 있음
Extract exponent of term in symbolic expression?
I believe you are looking for polynomialDegree: >> polynomialDegree(expression,a) ans = 2

11달 전 | 1

답변 있음
Symbolic: remove time dependency of variables or take derivative wrt time dependent variable
With your line syms alpha, you have overwritten the previous value of the MATLAB(!) variable alpha, so the alpha(t) in your subs...

12달 전 | 0

답변 있음
Graphing a hyperbola and its tangent lines
Your tangent lines are very short, and you plot the hyperbola right on top of them. Change the order, increase the size, and the...

12달 전 | 0

답변 있음
Help with displayFormula from symbolic math toolbox
Rendered formulas are only available in Live Editor, whether you use displayFormula or just have standard output. In Command Wi...

12달 전 | 0

답변 있음
Live Script result S(sig1) and C(sig1)?
Those are fresnels and fresnelc. Hovering your mouse over the output will show the function names behind these rendered names, a...

12달 전 | 1

답변 있음
text analytics toolbox and MeCab
Text Analytics Toolbox does not ship the tooling to compile an extended MeCab dictionary. But if you have one for your field (I ...

12달 전 | 0

답변 있음
How to use word2vec with the documents
doc2sequence is actually the tool to use to run word2vec on a document, plus padding the output to a common length if desired – ...

12달 전 | 0

답변 있음
partial word search text analytics toolbox
You could compute those words and then feed them into context: documents = tokenizedDocument(["A long winding road"; "The winds...

12달 전 | 0

답변 있음
Text Analytics Toolbox seems making lots of mistakes on recognizing language and PartOfSpeech
Language detection also works very much better on longer text. It is not trying to do a dictionary lookup (and several of your w...

12달 전 | 0

답변 있음
How to append abbreviations in Text Analytics Toolkit
You cannot extend the return value of abbreviations. But you can pass an extended table to addSentenceDetails in the "Abbreviati...

12달 전 | 0

답변 있음
How was the exampleWordEmbedding example in the text analytics toolbox trained, in detail?
The embedding is rather low-dimensional (50 dimensions) and has a small vocabulary (with 9999 words). It is unlikely to be “high...

12달 전 | 0

답변 있음
Script doesn't seem to be execute properly
In your code, you spend a lot of time computing the same prime over and over again. Do not start the search at a+1 for the secon...

약 2년 전 | 3

답변 있음
Question on running fitlda
Gibbs sampling involves stochastic elements (i.e., a pseudorandom number generator), meaning reproducing exactly the results of ...

약 2년 전 | 1

| 수락됨

답변 있음
Changing varibles in a Matrix to Values
Assigning values to MATLAB variables does not affect symbolic expressions that have variables of the same name inside. Use the s...

2년 이상 전 | 0

답변 있음
multivariable dsolve. Can it be solved for multivariables?
You are trying to solve a PDE (partial differential equation), but dsolve only handles ODEs (ordinary differential equations), w...

2년 이상 전 | 1

답변 있음
How to find mutual words in title field?
If I read the question correctly, you are looking for a co-occurence matrix. You can get those from a bag-of-Words model by a ma...

2년 이상 전 | 0

답변 있음
computing frequency*rank
Assuming we have t = topkwords(bag,100); You can get frequency*rank as: t.FreqTimesRank = (1:size(t,1)).*t.Count; And you ca...

2년 이상 전 | 0

| 수락됨

답변 있음
Does the text analytics toolbox allow users to test out-of-sample perplexity with LDA?
The second output of logp gives you the perplexity. txt = extractFileText('sonnets.txt'); sonnets = split(txt,[newline newline...

2년 이상 전 | 0

| 수락됨

답변 있음
Code for text mining through Bayes Classifier?
MathWorks has examples like this one using classifiers from the Statistics and Machine Learning Toolbox to work on text data. Th...

2년 이상 전 | 0

답변 있음
how to create a function that counts all words in a document?
Check out the bagOfWords class in Text Analytics Toolbox. It solves exactly this problem. (You may want to have some preprocess...

2년 이상 전 | 0

답변 있음
how to find most common words in text by matlab
Finding the most common words is easy with Text Analytics Toolbox: >> sonnets = extractFileText("sonnets.txt"); >> sonnets = e...

2년 이상 전 | 2

| 수락됨

답변 있음
How to fucntions like plot f(x,y) = 2 when 0<=x<=1 and 0<=y<=x
If the region to plot over were a simple 0 ≤ x ≤ 1 and 0 ≤ y ≤ 1, you could use |fimplicit(f(x,y) - 2, [0 1 0 1])|. I don't thin...

3년 이하 전 | 0

| 수락됨

답변 있음
Int vs Integral; Int giving wrong results
As the documentation says down in the “Tips” section, |int(f,1,S)| assumes that |1 ≤ S|. In that region, your input function is ...

3년 이하 전 | 1

답변 있음
measuring term frequency of words
See <https://www.mathworks.com/help/textanalytics/ref/bagofwords.html the |bagOfWords| documentation>. E.g., you can use the |tf...

3년 이상 전 | 0

| 수락됨

해결됨


5th Time's a Charm
Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

3년 이상 전

해결됨


Sums of Distinct Powers
You will be given three numbers: base, nstart, and nend. Write a MATLAB script that will compute the sum of a sequence of both ...

3년 이상 전

해결됨


"Cody" * 5 == "CodyCodyCodyCodyCody"
*Alice*: What? *"Cody" * 5 == "CodyCodyCodyCodyCody"*? You've gotta be kidding me! *Bob*: No, I am serious! Python supports...

3년 이상 전

해결됨


Acid and water
&#9878; &#9878; &#9878; &#9878; &#9878; &#9878; &#9878; &#9878; Assume that there is a 100 liter tank. It is initially fi...

3년 이상 전

해결됨


Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

3년 이상 전

Load more