# Christopher Creutzig

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Solved

Number of Circles in a Number

Given a number, return the number of closed 'circles' in the base 10 numerical representation. Note: the number 4 has no circ...

9 dagar ago

'reshape' function in MEX ?

Just because this question seems to still get a number of views: The mex function equivalent to reshape is called mxSetDimension...

2 månader ago | 0

Using an LDA Model with a tall table

As Nikhilesh said, you probably want to process your data in some form of chunks. Since you want to fit an LDA model, the most o...

3 månader ago | 0

Extracting text from PDF with extractFileText is not working for some PDF

This is a known issue in Text Analytics Toolbox. Please watch https://www.mathworks.com/support/bugreports/3155425 for updates.

4 månader ago | 0

How to find out number of pages in a PDF file?

pdfinfo returns this information, starting in 23a.

6 månader ago | 0

| accepted

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...

10 månader 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...

10 månader 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...

10 månader 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...

mer än ett år 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:...

mer än ett år 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...

nästan 2 år ago | 6

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...

nästan 2 år 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...

mer än 2 år 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.

mer än 2 år 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...

mer än 2 år 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...

mer än 2 år 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...

mer än 2 år 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.

mer än 2 år 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...

nästan 3 år 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 ...

ungefär 3 år ago | 0

Extract exponent of term in symbolic expression?

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

nästan 4 år 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...

ungefär 4 år 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...

ungefär 4 år 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...

ungefär 4 år 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...

ungefär 4 år 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 ...

ungefär 4 år 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 – ...

ungefär 4 år 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...

ungefär 4 år ago | 0