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Question
Statistical significance of covariance
Hi, I want to compute the statistical significance of a covariance. However, I could not find any function for this purpose o...
environ 8 ans il y a | 1 réponse | 0
0
réponseQuestion
Change x-axis labels of plot
Hi everbody, I have a plot of 31 data points. However, instead of labeling the x-axis is (1:1:31), I want to set it to (-6:1:...
environ 9 ans il y a | 4 réponses | 0
4
réponsesQuestion
Handling of large string array
Hi, I am dealding with a 22,000,000 x 1 string array, which causes Matlab real problems. I import the data from a .csv file ...
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
xlsread returns error some times
Hi, I have a little Problem with xlsread. When I use xlsread to import data, I sometimes get the error message: Erro...
plus de 9 ans il y a | 1 réponse | 0
1
réponsexlsread returns error some times
Some code: fname=strcat('C:\Users\...\',country); T = length(vector); firstRow = 1; lastRow = T; firstCol = 'B'; lastCol...
plus de 9 ans il y a | 0
Question
Convert cell array with different datatypes to numeric
Hi everybody, I am dealing with a cell array, where single numbers are saved as strings in the cells and some cells are empt...
plus de 9 ans il y a | 1 réponse | 0
1
réponseProblem with x-axis and dates in plot
Thanks a lot Kelly! Your answer works almost perfectly. One remaining problem is that matlab shows the x axis from 1990 - 202...
plus de 10 ans il y a | 0
Question
Problem with x-axis and dates in plot
Hi everybody, I want to plot 228 datapoints, which correspond to monthly observations from 01/1993 to 12/2011. The x-axis ...
plus de 10 ans il y a | 2 réponses | 0
2
réponsesFunction with xlsread including the excel file name as input variable
Maybe I should ad that I also want the variable, to which the data is stored, to be the named after the respective country, e.g....
plus de 11 ans il y a | 0
Question
Function with xlsread including the excel file name as input variable
Hi, I have the following problem: I have multiple excel files named after countries, e.g. US,UK,FRA,JPN,... . Now I want ...
plus de 11 ans il y a | 2 réponses | 0
2
réponsesImporting a large dataset from Excel into Matlab
Hi Titus, Thanks a lot for your reply. Unfortunately, xlsread doesnt seem to like large files and often returns some memory e...
presque 12 ans il y a | 0
Question
Importing a large dataset from Excel into Matlab
Hello together, I'm trying to import large numerical matrices e.g. [6000 x 6000], which should be no problem since I am runni...
presque 12 ans il y a | 2 réponses | 0
2
réponsesCompare elements of two cell vectors
I found a solution. First I converted all elements of both cell arrays to strings with this code I found: numIndex = c...
environ 12 ans il y a | 0
| A accepté
Question
Compare elements of two cell vectors
Hi, I have two cell vectors of different lengths, containing both numbers and numbers/characters. Now, I want to delete al...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
Extract numbers from cell array
Hi, I have a cell array with both numbers and 'NA' strings for missing values. Now I want to convert the cell array to a p...
plus de 12 ans il y a | 1 réponse | 0
1
réponseConstrained optimization problem
Sorry for beeing imprecise. I want to estimate the 2 parameters a,b. T is a scalar and x1,x2 are 2 vectors of data. Basically...
plus de 12 ans il y a | 0
Question
Constrained optimization problem
Hello, I want to solve the following problem: argmin{1/(T-1)*SUM(e^2)}, subject to a=>0, abs(b)<=1, where e^2 is the...
plus de 12 ans il y a | 1 réponse | 0