Question
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 years ago | 1 answer | 0
1
answerAnswered
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...
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 years ago | 0
Question
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 years ago | 1 answer | 0
1
answerQuestion
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 years ago | 2 answers | 0
2
answersAnswered
Replace NaN's in table with zero
so, in other words: mainTTable{:,:}(ismissing(mainTTable)) = 0;
Replace NaN's in table with zero
so, in other words: mainTTable{:,:}(ismissing(mainTTable)) = 0;
6 years ago | 0
Answered
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-...
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 years ago | 0
Question
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 years ago | 2 answers | 0
2
answersQuestion
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 years ago | 1 answer | 0
1
answerQuestion
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 years ago | 0 answers | 0
0
answersQuestion
table / timetable - removing zero columns
My answer is: function pTable = aRemoveZeroTableColumns(primersTable) % % % pTable = primersTable; i...
6 years ago | 1 answer | 0
1
answerAnswered
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...
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 years ago | 0
Question
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 years ago | 0 answers | 0
0
answersQuestion
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 years ago | 0 answers | 0
0
answersQuestion
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 years ago | 0 answers | 0
0
answersAnswered
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...
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 years ago | 0
Question
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 years ago | 3 answers | 0
3
answersQuestion
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 years ago | 0 answers | 0
0
answersQuestion
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 years ago | 1 answer | 0
1
answerQuestion
Removing weekends and holidays from a TimeTable
How can one remove weekends and holidays entries from a TimeTable? Thanks!
6 years ago | 2 answers | 0
2
answersQuestion
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 years ago | 1 answer | 0
1
answerAnswered
calculating the difference between 2 dates
there's something better now since 2014 release I believe: w = between(startRange,endRange,'weeks') y = between(startRange...
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 years ago | 1
Question
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 years ago | 1 answer | 0
1
answerSubmitted
StratOpt WFP PATH View Processor
StratOpt WFP Files Analysis: view the optimization paths graphically
7 years ago | 1 download |
Answered
How can I increase GUI slider steps?
this ('SliderStep' property) doesn't exist in slider object of the gui designer.
How can I increase GUI slider steps?
this ('SliderStep' property) doesn't exist in slider object of the gui designer.
7 years ago | 1
Question
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...
7 years ago | 1 answer | 0
1
answerQuestion
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 years ago | 1 answer | 0
1
answerAnswered
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 = ...
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 years ago | 0
Question
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 years ago | 2 answers | 0
2
answersAnswered
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 ...
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 years ago | 1
Answered
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...
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 years ago | 0
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