質問

nchoosek with range of k values and ordered sequential value sets
The below: function cnkMatAll = NChooseKRange(nVect, kRange) % NChooseKRange % % Combinations of N taken as k ...

6年以上前 | 1 件の回答 | 0

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is there an alternative to nchoosek which is too slow?
not if some sort of (in-memory?) compression is applied ... if that's even possible. but looking at the brutal return of say n...

6年以上前 | 0

質問

how can we estimate memory requirements for nchoosek?
nchoosek is a memory intensive command ... to the point it can easily kneel down your system ... or get something back as the be...

6年以上前 | 1 件の回答 | 0

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質問

is there an alternative to nchoosek which is too slow?
Try cnk = nchoosek(1:40, 10) and you'll see how slow it is. Is there an alternative? Thanks

6年以上前 | 2 件の回答 | 0

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Replace NaN's in table with zero
so, in other words: mainTTable{:,:}(ismissing(mainTTable)) = 0;

6年以上前 | 0

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having a 2 months timetable with 10 minute data points, is it possible to extract first half of each day using subscripting?
that's the Pandas equivalent: https://stackoverflow.com/questions/19179214/selecting-data-between-specific-hours-in-a-pandas-...

6年以上前 | 0

質問

having a 2 months timetable with 10 minute data points, is it possible to extract first half of each day using subscripting?
having a timetable, one can do sub-scripting once on the hole interval. can one take a sub-script of the daily data of such a ...

6年以上前 | 2 件の回答 | 0

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質問

Classification Learner App - generate a more generic function for your model training that could take varying size of prediction tables? One step beyond the default function generation
This is a question with an answer, that could easily translate into a feature implementation. When one generates a function fro...

6年以上前 | 1 件の回答 | 0

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質問

function to import varying size text file automatically ? - one step beyond the Import Data Wizard
Hello, The Import Data Wizard is a great little tool to use on one file, say "Customers_1.txt" ... then the user gets present...

6年以上前 | 0 件の回答 | 0

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質問

table / timetable - removing zero columns
My answer is: function pTable = aRemoveZeroTableColumns(primersTable) % % % pTable = primersTable; i...

6年以上前 | 1 件の回答 | 0

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Removing columns containing zeros
If you've got a table w/ various variable names that you want to keep, you might do: function pTable = aRemoveZeroTableColu...

6年以上前 | 0

質問

Matlab Production Server: accessing environment/persistent variables on a matlab server
Use-case: Persistent & changing data (clients can change it during a call) across function calls made by clients towards a m...

6年以上前 | 0 件の回答 | 0

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質問

Matlab prodution server mSq = client.CreateProxy<MagicSquare> Error: "Unable to cast object of type <XYZ>.ABC_Proxy to ABC"
The dot-net example of deploying a package on a production server and consuming a function are very useful. Nonetheless, there m...

6年以上前 | 0 件の回答 | 0

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質問

cannot resolve dependency to assembly 'Google.ProtocolBuffers, Version 2.3.0.277, Culture=neutral, PublicKeyToken=17b... because it has not been preloaded.
Hi guys, Am trying to import the .NET assembly, path: C:\Program Files\MATLAB\MATLAB Production Server\R2018a\client\dotne...

6年以上前 | 0 件の回答 | 0

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IQFeed: plot return from array of cells?
Right ... many issues with using the IQFeed API ... such as: 1) Examples from the DOCs not working: Trial>> timeseries(c,se...

6年以上前 | 0

質問

IQFeed: plot return from array of cells?
Hi, Just testing the IQFeed API and glad to see some examples on the docs. However, I can see following: 1) goog = history(c...

6年以上前 | 3 件の回答 | 0

3

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質問

pandas reshaping and pivoting equivalent
What is the equivalent to Pandas reshaping & pivoting? It can be referenced at: <https://pandas.pydata.org/pandas-docs/stabl...

6年以上前 | 0 件の回答 | 0

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質問

can a timetable column reference a function handle automatically and dynamically add current value based on a set of computations?
Reviving this question. Adding data: can always be done through adding a new column by referencing a function, such as: timeTa...

6年以上前 | 1 件の回答 | 0

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質問

Removing weekends and holidays from a TimeTable
How can one remove weekends and holidays entries from a TimeTable? Thanks!

6年以上前 | 2 件の回答 | 0

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質問

assign content into an empty timetable based on timerange variable
Say you've got an empty timetable: t = timetable(); t.Data = 0; and you're given a timerange var: tr and you need to...

6年以上前 | 1 件の回答 | 0

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calculating the difference between 2 dates
there's something better now since 2014 release I believe: w = between(startRange,endRange,'weeks') y = between(startRange...

6年以上前 | 1

質問

extract start and end of a timerange
Working with timerange objects is great! One can keep a table in one piece and operate on subscripts of that table with a set of...

6年以上前 | 1 件の回答 | 0

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How can I increase GUI slider steps?
this ('SliderStep' property) doesn't exist in slider object of the gui designer.

約7年前 | 1

質問

app designer Slider object properties does not contain a 'SliderStep' property
Hello Team, As of 2017b, an app designer slider object has following properties: Show all properties BeingDe...

約7年前 | 1 件の回答 | 0

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質問

A,B,C same size matrixes. A & C are double elements, B is with logical elements.How do I simply set A with values found in C only for true (or false) positions in B?
Setup: if true A = zeros(4,4); C = [1,2,3,0; 5,0,6,4; 9,7,0,4; 2,0,5,6]; B = false(4,4); B(2,4) = 1; B(3,2)...

7年以上前 | 1 件の回答 | 0

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using a matrix as an index to another matrix
I could do this: clc; a = [1 4 3 2; 6 8 7 9] [b,i] = sort(a,2,'descend') b = ...

7年以上前 | 0

質問

using a matrix as an index to another matrix
Simple case: >> x = [ 10 8 ; 4 3 ] x = 10 8 4 3 >> [y,i] = sort(x,2 ) y...

7年以上前 | 2 件の回答 | 0

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keeping track of the original indices of an array after sorting
and B = A(I), according to documentation, isn't it? I get following: >> x = [ 1 3 2 7; 4 3 2 1] x = 1 3 ...

7年以上前 | 1

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for an existing financial time-series object, is there a simple way to add columns?
digging a bit more, it seems fts behave a lot like structures ... so: >> class(dt) ans = fints >> *dt.MA10* = fts2ma...

7年以上前 | 0

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financial time series object - how to delete a column?
This was a funny one ... managed to understand why Time appears in the structure in the first place. Quote from <fints> definiti...

7年以上前 | 0