Statistics
RANK
17.670
of 293.505
REPUTATION
2
CONTRIBUTIONS
28 Questions
1 Answer
ANSWER ACCEPTANCE
21.43%
VOTES RECEIVED
2
RANK
of 20.035
REPUTATION
N/A
AVERAGE RATING
0.00
CONTRIBUTIONS
0 Files
DOWNLOADS
0
ALL TIME DOWNLOADS
0
RANK
of 148.733
CONTRIBUTIONS
0 Problems
0 Solutions
SCORE
0
NUMBER OF BADGES
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Highlights
AVERAGE NO. OF LIKES
Feeds
Question
convert date string
I've got an array of strings that are dates in this format -> '20120518 08:30:00'. I'd like to convert everything into a serial ...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
if statement for range of array values
Is there a better way to write this 'if' statement? for i = 1:size(somevalue) if (x(i) < xmax && x(i-1) < xmax && x(i-...
meer dan 12 jaar ago | 3 answers | 1
3
answersQuestion
Need help/suggestions finding optimization parameters
I have a large vector of data that I'm performing calculations on. My calculation is dependent on the state of a leading and lag...
meer dan 12 jaar ago | 0 answers | 0
0
answersQuestion
Array matching
I have 2 arrays that i'd like to compare values and create a child that contains matching values (and I'd like to do this the fa...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
assign input to variable name
I'm putting together a script that builds a .mat file and I was wondering, how can I create an array based off the name of a str...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
nested for loop
I was wondering if there was a way to write nested loops so they are more efficient. For example: for a = 1:1:100 ...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
Annualized sharpe ratio
Can anyone answer how to annualize a sharpe ratio if your working with 5 min data and within market hours? does anyone disagr...
meer dan 12 jaar ago | 0 answers | 0
0
answersQuestion
using fints
I'd like to plot a candle chart for a financial time series that should be dynamic. So... date_time = <256x2 cell> in dates...
meer dan 12 jaar ago | 0 answers | 0
0
answersQuestion
arrayfun num2cell structure
I'd like to take my structure 'r' and convert each child into cell matrix with the goal of horzcat everything into on cell array...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
Selecting values in an array
if I have an structure called results with arrays 'position' and 'profit', how can I build an array when, at the same time, posi...
meer dan 12 jaar ago | 2 answers | 0
2
answersQuestion
removing zeros
short = <226x1 cell> and it contains mostly numbers: [ 0] [ 0] [ 0] [-673.12] [ 0...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
referencing arrays
I have 2 arrys that are the same size, I'd like to use the values from one array to reference values in the other. Example ...
meer dan 12 jaar ago | 2 answers | 0
2
answersQuestion
remove row with matching string
I'm trying to eliminate an entire row of data if a string is found in the cell array. Sample array values: myarray = ...
meer dan 12 jaar ago | 2 answers | 0
2
answersQuestion
vertcat double and cell
I have a structure called results that looks like this: results = time: [256x1 double] action: {...
meer dan 12 jaar ago | 2 answers | 0
2
answersQuestion
dismember or intersect
I have 2 cell arrays that have both double and characters in it. For plotting purposes, I'd like to create a 3rd array that is t...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
xlswrite dropping strings
I'm trying to write to an xls file and for the most part it's working, however it is not writing my strings. result.xls_ful...
meer dan 12 jaar ago | 2 answers | 0
2
answersQuestion
ismember structure?
I have a structure that consists of cell arrays that contain both doubles and strings. results = full_data: {401...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
Array weirdness
Hello everyone, I have something very strange happening that I don't understand... I'm using a for loop to fill an array with...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
structure to array
I'm looking to write values stored in an structure to an array like this: p_start = 20; p_end = 400; p_diff = p_end -...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
fill structure
How do you fill a structure with a large amount of values? For example, I've preallocated my structure as: met.position = c...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
Append matrix?
I'm currently building a cell matrix that is roughly 13x500 by adding a new row each time through a loop: for i = period_star...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
Plot date and time
I have date and time values that I'd like to use for my XTick values. The data is in an array that has date, time and price. I w...
meer dan 12 jaar ago | 1 answer | 1
1
answerQuestion
Array Preallocation
I am trying to preallocate an array that can be filled with any type of value string, double, int mostly. What am I doing wrong ...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
combine date & time
I've got an array that has 3 columns. Column 1 is a counter and I don't care about it, column 2 has the date in 'dd/mm/yy' forma...
meer dan 12 jaar ago | 3 answers | 0
3
answersPlot Matix
In case someone has the same problem, you must convert the date using datum() here is the code I used: date = datenum(date...
meer dan 12 jaar ago | 0
| accepted
Question
matrix unions
if array A = 10 x 1 with numbers in it and array B = 4 x 1 with numbers in it. How would you create an array C which equals the...
meer dan 12 jaar ago | 2 answers | 0
2
answersQuestion
Plot Matix
I'm trying to plot a 539x13 matrix with the first column = dates which are in cell format. Everything else in the array is a dou...
meer dan 12 jaar ago | 3 answers | 0
3
answersQuestion
basic array with for loop
I would like to build an array while running a for loop as follows: for 256:-1:1 ...loop generates values like date, m...
meer dan 12 jaar ago | 1 answer | 0
1
answerQuestion
importdata() question
I need help understanding what's happening here, any input would be appreciated. Here is my code: import1 = importdata('H...
meer dan 12 jaar ago | 1 answer | 0