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In/out signal from vector
Imagine I have the following vector: 0 0 0 0 0 1 1 1 0 0 1 1 1 1 1 0 0 0 1 1 1 1 1 1 The si...

mehr als 9 Jahre vor | 1 Antwort | 0

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Pulling my hair out over this simple for loop! Please help!
I keep getting the "subscripted assignment dimension mismatch" error. My variables are: ia1=[79;91;94] ia2=[80;103;95] ...

fast 10 Jahre vor | 2 Antworten | 0

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Help with simple probability calculation (loop?)
I have a 2-column matrix that looks like this: 30 1 30 1 30 1 30 1 30 1 29 0 29 ...

etwa 10 Jahre vor | 1 Antwort | 0

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Struct variables don't save
I have various matrices and I'd like them to be part of a struct. Each matrix is computed on its own, assigned to the struct, th...

etwa 10 Jahre vor | 1 Antwort | 0

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For loop assignment problem
I have a struct with 85 fields. I want to copy data from the fields into a matrix called "one". Here is my code: one=nan(85...

etwa 10 Jahre vor | 1 Antwort | 0

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Why is this plot deleted?
As soon as I get to set(gca) the plot disappears. If I continue I get the date formatted tick labels but I don't show any plot. ...

etwa 10 Jahre vor | 1 Antwort | 0

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For loop combo troubles
I have the following code: When i switches to 2 how can I make j pickup where it last left off (non-nan)? For example, when i is...

etwa 10 Jahre vor | 1 Antwort | 0

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How can I have a timer continue after an error?
Here is script A: t = timer; t.Period = 10; t.TasksToExecute = inf; t.ExecutionMode = 'fixedRate'; t.TimerFcn =...

etwa 10 Jahre vor | 2 Antworten | 0

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Use timer to run script every ten seconds
I have a script that I want to execute automatically every ten seconds indefinitely until I tell it to stop. The script is calle...

mehr als 10 Jahre vor | 1 Antwort | 0

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Need consulting on datafeed toolbox/event handling
If there's anyone out there who knows how to operate this thing, please contact me for consulting. No one at Mathworks seems to ...

mehr als 10 Jahre vor | 0 Antworten | 0

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Countdown timer continuously running
I am trying to figure out the best approach to this so I appreciate your thoughts. I'm running a model that uses the number of m...

mehr als 10 Jahre vor | 1 Antwort | 0

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IQFeed - viewing multiple securities simultaneously?
Is this possible? If so IQFeed/Matlab have made it impossible to figure out.

mehr als 10 Jahre vor | 0 Antworten | 0

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Can Spreadsheet Link EX handle real-time data?
I have an RTD datafeed streaming into excel. I want to import this feed into Matlab. As the data from the RTD feed changes, will...

mehr als 10 Jahre vor | 0 Antworten | 0

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Fixing a for loop that's 90% correct
On the first pass through k, everything is fine. But when k=2, x=2, so my subscript index is starting with 2, not 1. If I change...

mehr als 10 Jahre vor | 0 Antworten | 0

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Overcoming 'index exceeds matrix dimensions' without changing methodology of code
This matrix below is a 25x7 matrix. Basically what I'm doing is taking a start date and an end date, and adding 1 to the start d...

mehr als 10 Jahre vor | 1 Antwort | 0

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Creating an efficient for loop
for i = 1:length(startIdx) for j = 1:length(date(startIdx(i):cutoffIdx(i))) k = date(startIdx(i):cutoffIdx(i...

mehr als 10 Jahre vor | 1 Antwort | 0

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Find elements in cell array (logical 0 or 1)
I have a cell column vector of stock symbols that are all three letters long. I need to create a column vector of the same lengt...

mehr als 10 Jahre vor | 1 Antwort | 0

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Union WITH repetitions - indices for both
How can this be achieved? I am trying to index trading days and calendar days so I can match the two together. Here is my code: ...

mehr als 10 Jahre vor | 1 Antwort | 0

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Focus plot and apply correct tick labels
Good Evening Everyone, I'd much rather be asking you about Bayesian analysis over this, but unfortunately, I am terrible with...

mehr als 10 Jahre vor | 1 Antwort | 0

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Trouble with calculating mean of historical data
I wrote a function that calculates the mean price of the last 15 mins of the trading day. In the attached excel file I get a mea...

mehr als 10 Jahre vor | 1 Antwort | 0

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Short function taking 20+ minutes to run
I'm using a Xeon quad-core processor with 64GB of RAM. The program running the function only has 89 data points. It's now been o...

mehr als 10 Jahre vor | 1 Antwort | 0

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How to encompass a half-hour block of time?
The code below finds the index of every timestamp at 3:30. timeStr=cellstr(datestr(time)); timeDbl=datevec(timeStr); ...

mehr als 10 Jahre vor | 1 Antwort | 0

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Find the Monday preceding the third Friday of the month
Ok, I have data spanning numerous years, and part of my analysis requires me to know the Monday that precedes the third Friday o...

mehr als 10 Jahre vor | 2 Antworten | 1

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Beantwortet
Find index between two vectors
Thank you Azzi!

mehr als 10 Jahre vor | 0

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Find index between two vectors
Good Afternoon, I have a matrix of datevecs. So it looks like this: 2015 1 1 14 59 0 2015 1 1 15 0 0 I need to fin...

mehr als 10 Jahre vor | 2 Antworten | 0

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Why won't this for loop move to the next variable?
On the first pass, everything is fine. i = 49, j = 1, k = 1112. On the second pass, i and j move to the next variables (50 and 1...

mehr als 10 Jahre vor | 2 Antworten | 0

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Nested for loop troubles
Hi Everyone, I am having difficulty troubleshooting a nested for loop. Things work fine on the first pass (when i=49) but bre...

mehr als 10 Jahre vor | 1 Antwort | 0

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Financial toolbox required for excel to matlab date conversion?
This blows my mind. I have to import dates from an excel spreadsheet and the only way I can convert them to usable dates is by b...

mehr als 10 Jahre vor | 2 Antworten | 0

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Find index in each column of a matrix using for
Good evening, I am attempting to find the index of the last non-NaN for each column in a matrix. I can't really get it to wor...

mehr als 10 Jahre vor | 1 Antwort | 0

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Find the index of the last numeric element of a column including NaNs
I have a column with many rows that has data in the middle surrounded by NaNs. For example, below is an abbreviated version of w...

mehr als 10 Jahre vor | 2 Antworten | 0

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