Respondida
writetable takes forever - what is faster?
I've made a simple test with R2013b, 64bit, Win7, local SSD, and a spinning HD. Some results * elapse time for writing in...

casi 11 años hace | 1

Respondida
Importing ISO 8601 Formatted CSV Dates into Matlab R2014b
It's a mess! The old functions, *|datenem|*, etc., are not updated to honor the new <http://se.mathworks.com/help/matlab/ref/...

casi 11 años hace | 0

Respondida
File path containing %
Use <http://se.mathworks.com/help/matlab/ref/getenv.html getenv, Environment variable> to get values of environment variables o...

casi 11 años hace | 2

| aceptada

Respondida
Is there a way to connect to Microsoft SQL Server database without needing the database toolbox?
Did you search the <http://www.mathworks.com/matlabcentral/fileexchange/?utf8=%E2%9C%93&term=SQL+server File Exchange for SQL Se...

casi 11 años hace | 2

Respondida
How can I speed up importing large .d files?
Does the file consist of header rows followed by data rows, which contains only numerical data? (No string data such as date ti...

casi 11 años hace | 1

Respondida
Read in a plain/text file in Matlab
Try >> out = cssm(); >> out{1}(12:14) ans = 'Kladno' 'Ostrava' 'Komorany' where functi...

casi 11 años hace | 0

| aceptada

Respondida
Scanning a text file for bits and pieces of information
I'm surprised that <http://www.mathworks.com/matlabcentral/fileexchange/28518-xml2struct *|xml2struct|* by Wouter Falkena> faile...

casi 11 años hace | 0

| aceptada

Respondida
To get the time value from a large array
* Why is the word "large" in the title? How large is the file? * These two dates are they the only ones in the file? For a s...

casi 11 años hace | 0

Respondida
meaning of @ in class context?
See <http://se.mathworks.com/help/matlab/matlab_oop/calling-superclass-methods-on-subclass-objects.html Call Superclass Methods ...

alrededor de 11 años hace | 3

| aceptada

Respondida
exiting if condition and for loop?
Try for i=1:100 if condition operations; else break end end and see <htt...

alrededor de 11 años hace | 0

| aceptada

Respondida
Having problems transposing a large vector.
I can reproduce (on R2013b,32GB,64bit) the problem you see. Rows exceeding a certain size are not displayed in the "Variables ed...

alrededor de 11 años hace | 0

| aceptada

Respondida
How can I remove values from a matrix outside the range and create matrix within the range
Y = X( X>=20 & X<=23 );

alrededor de 11 años hace | 5

| aceptada

Respondida
How do i get the index position of a multiple number from an array?
Seems to do it >> is = arrayfun( @(num) mod(num,900)==0, A ) is = 0 0 1 0 1 0 0 0 ...

alrededor de 11 años hace | 0

Respondida
"IntelliSense" using MATLAB commands.
MATLAB was conceived in the 1970s - at the time of Bill Gates first BASIC interpreter. New functions have been added ever since....

alrededor de 11 años hace | 0

| aceptada

Respondida
Rethrow a whole error as warning
Yes, an alternative is try % do stuff catch me disp( getReport( me, 'extended', 'hyperlinks', 'on...

alrededor de 11 años hace | 9

| aceptada

Respondida
Read text file and identify certain values line by line, or character by character
For an alternate approach, see <http://se.mathworks.com/matlabcentral/answers/222720-importing-mixed-data-from-csv-or-xml-file#a...

alrededor de 11 años hace | 0

| aceptada

Respondida
Best way to summarize statistical data
_"not even sure what it means to summarize statistical data "_ &nbsp neither am I However, see * <http://www.mathworks.com...

alrededor de 11 años hace | 0

| aceptada

Respondida
extracting the lines of interest to a matrix from a text
*An alternate approach.* The function *|cssm|* transfers the entire content of the text file to a structure array. This structur...

alrededor de 11 años hace | 0

| aceptada

Respondida
Parsing a text file in matlab and accessing contents of each sections
Here is a function, which reads *|question2.txt|* and returns a struct vector. It might serve as a starting point. >> out ...

alrededor de 11 años hace | 0

| aceptada

Respondida
What's the difference using .* and *, or ./ and /?
Element-by-element operations. These are obtained using .* , .^, ./, or .\. See the Arithmetic Operators page. See * <http://...

alrededor de 11 años hace | 1

| aceptada

Respondida
How can I use textscan without delimiter?
Must be done in two steps * read as character to avoid the white-space-magic * convert to numerical %% fid = fop...

alrededor de 11 años hace | 2

| aceptada

Respondida
Using version deatils of the tool box in application
One way sas = ver; iss = strcmpi( 'Stateflow', {sas.Name} ); sas(iss).Version ans = 8.1

alrededor de 11 años hace | 0

| aceptada

Respondida
Programming Problem in structure
Try >> b = [a(1:2).x] b = 3 1

alrededor de 11 años hace | 1

| aceptada

Respondida
Why does csvread behave differently for large csv files?
I reproduced your result on R2013a, Win7 >> [CR,FS] = cssm(1e5); whos('CR','FS') Name Size Byt...

alrededor de 11 años hace | 0

| aceptada

Respondida
How to delete a specific line from text file?
An alternate approach function cssm( ) %% str = fileread( 'cssm.txt' ); pos = strfind( str, sprin...

alrededor de 11 años hace | 2

Respondida
Converting entire cell array to strings
is this close to what you want? >> strsplit( strjoin(x), ',') ans = 'words' '10' '20' '30' 'more wor...

alrededor de 11 años hace | 1

Respondida
Is it possible to increase the speed of writing a delimited text file using "writetable" and if so how?
Caveat: I've never used the new &nbsp *|table|* ! * _"I don't understand why ..."_ &nbsp I assume that regarding *|writetabl...

alrededor de 11 años hace | 0

Respondida
How can I solve a problem when running a batch file within Matlab ?
Try system( fullfile( folderspec, Ab.bat ) )

alrededor de 11 años hace | 1

| aceptada

Respondida
Reading a string datafile line by line
Try cac = textscan( fid, '%s', 'Delimiter', '\n' )

alrededor de 11 años hace | 0

| aceptada

Respondida
Summing elements of a vector sequentially?
See <http://se.mathworks.com/help/matlab/ref/cumsum.html cumsum>

alrededor de 11 años hace | 0

| aceptada