# Christopher Creutzig

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**Content Feed**

Solved

Split Even Number Into Two Primes

Given an even whole number n (> 2), return a 2-element vector of primes, p, such that p(1) + p(2) = n. Fun note: technically it...

4 months ago

Solved

Determine if Input is Oddish or Evenish (Odd/Even Sum of Digits)

Given a positive integer n, determine whether n is "oddish" or "evenish" - that is, whether the sum of the digits of n is odd or...

4 months ago

Solved

What is the next step in Conway's Life?

Given a matrix A that represents the state of Conway's game of Life at one instant (time t=n), return the matrix B that represen...

4 months ago

How should XPath be set in TableSelector for htmlImportOptions so readtable( ) can output the first three tables in an html file?

readtable currently only returns a single table. There has been talk about a function returning multiple tables, but I don't kno...

12 months ago | 1

Generating piecewise function and plotting it

Your code mixes some x and x2 etc., as in x2.^2+x, which cannot work, as they have different sizes. Try this small modification:...

1 year ago | 2

How do I extract the contents of an HTML table on a web page into a MATLAB table?

Starting in R2021b, you can directly use readtable for HTML tables: readtable("https://www.tsa.gov/coronavirus/passenger-throug...

1 year ago | 4

How do you extract from a website table?

The problem with this page is that it is not using an HTML <table> for the data you are looking for. Otherwise, you would be abl...

1 year ago | 1

| accepted

My function creates a high oscillating unusual plot

What you are observing is a limitation of computing with floating point numbers. When computing a value of your function, say, f...

2 years ago | 0

Solved

Magic is simple (for beginners)

Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

2 years ago

Solved

Make a random, non-repeating vector.

This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

2 years ago

Solved

Number of 1s in a binary string

Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

2 years ago

Solved

Generate a vector like 1,2,2,3,3,3,4,4,4,4

Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

2 years ago

Solved

Maximum value in a matrix

Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

2 years ago

Extracting data from pdf files

JFTR, since R2017b, extractFileText('filename.pdf','Pages',4) from Text Analytics Toolbox gives you the text on ("physical") pag...

2 years ago | 0

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 ...

2 years ago | 0

Extract exponent of term in symbolic expression?

I believe you are looking for polynomialDegree: >> polynomialDegree(expression,a) ans = 2

3 years ago | 1

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...

3 years ago | 0

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...

3 years ago | 0

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...

3 years ago | 1

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...

3 years ago | 1

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 ...

3 years ago | 0

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 – ...

3 years ago | 0

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...

3 years ago | 0

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...

3 years ago | 0

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...

3 years ago | 0

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...

3 years ago | 0

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...

5 years ago | 3

Question on running fitlda

Gibbs sampling involves stochastic elements (i.e., a pseudorandom number generator), meaning reproducing exactly the results of ...

5 years ago | 1

| accepted

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...

5 years ago | 0