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Question
faster function than unique for cell arrays
Hi, I have a slow loop mainly because i use unique(A) where A is a cell array (these are the profiler's analysis). I am wonde...
ongeveer 12 jaar ago | 1 answer | 0
1
answerQuestion
Recommended steps to deal with a slow loop
Hi, If a "for loop" is slow and each iteration is taking 2 hours what are the recommended steps that I should follow to deal ...
ongeveer 12 jaar ago | 2 answers | 0
2
answersQuestion
error using unique function
s is a cell matrix (178000x9) I want to find the unique values of s in the first column. ID=unique(s(:,1)); I received th...
ongeveer 12 jaar ago | 2 answers | 0
2
answersQuestion
cell2mat simple manipulation question
Hi, if x={'000','101.5'}; x2=cell2mat(x)% which is =000101.5 How can I get x2=[000 , 101.5]?
ongeveer 12 jaar ago | 1 answer | 0
1
answerQuestion
char vector
Hi, I am trying to build a variable x . I want it ti be a 3 by 1 vector where row1 is y, row2 is v1 and row3 is v2. I tried :...
bijna 13 jaar ago | 1 answer | 0
1
answercell2mat error
I took each column alone and convert it to double using cell2mat. The second column gave the same error ??? Error using ==> cat ...
ongeveer 13 jaar ago | 0
cell2mat error
could be but visually i didn't notice anything wrong or similar to the example that you gave. But the number of files is around ...
ongeveer 13 jaar ago | 0
Question
cell2mat error
"a" is a 5000x12 cell matrix. all value in "a" are numeric. I tried to convert from cell to double using cell2mat(a) and i recei...
ongeveer 13 jaar ago | 3 answers | 0
3
answersQuestion
Table to word
I have Many tables for my report and I want to print from matlab to word as it will be a common practice to give my reports in w...
ongeveer 13 jaar ago | 2 answers | 0
2
answersQuestion
Importing from excel to matlab
Hi, I am trying to import a table from excel to matlab but I am facing many problems: 1.R (superscript) 2 (i.e. r square) beco...
ongeveer 13 jaar ago | 1 answer | 0
1
answerQuestion
Renaming Files
I used 7 zip to split large excel files. It gave them to me in the following format: naic1.xlsx.001,...naic1.xlsx.029 for file ...
ongeveer 13 jaar ago | 1 answer | 0
1
answerQuestion
sorting according to another vector
Hi, I have a vector A that doesn't follow any order. I want to sort Matrix B that has the first column of values similar to t...
ongeveer 13 jaar ago | 5 answers | 1
5
answersQuestion
finding duplicates
A=[ 1 1 2 2 3 3 3]; unique(A)=[1 2 3]; but I want to find the duplicates that are not the first occurrence. i.e x=[2 4 6 7]; ...
ongeveer 13 jaar ago | 2 answers | 2
2
answersQuestion
find where both matrices match
Hi, I have matrix A and matrix B. The first column in both of them is a dates column where few observations and A and B coinc...
ongeveer 13 jaar ago | 1 answer | 0
1
answerimporting tab delimited text file
Hi again, sorry to bother you with this problem but I am a matlab beginner. I opened one of tmt text files with excel.The data ...
ongeveer 13 jaar ago | 0
Question
importing tab delimited text file
Hi, I am downloading a text file "A" using textscan. I know that the file is table delimited with unknown number of columns a...
ongeveer 13 jaar ago | 5 answers | 0
5
answersQuestion
Changing the names of text files in a directory
I have 400 files in a directory called NAIC that are named like this: 7488311dbf9821f9.txt.001 is it possible to rename using ...
ongeveer 13 jaar ago | 3 answers | 0
3
answersQuestion
loading a large excel file to Matlab
Hi, I have an excel file of 16400 columns and 6000 rows. Is it possible to load it to matlab? I am trying to using the import...
ongeveer 13 jaar ago | 3 answers | 1
3
answersQuestion
Reading excel files in a directory
I have many excel files (.xlsx format) in a directory with names R1,R2,R3....R89. Is it possible to read them one by one to exec...
ongeveer 13 jaar ago | 1 answer | 0
1
answerQuestion
left characters of a string
if I have a name 'Microsoft', how can i get the first 6 characters 'Micros'?
ongeveer 13 jaar ago | 2 answers | 0
2
answersQuestion
finding an observation that belongs to a range
Hi, A=10455.875; B=[0.183360563 0.977332866 1.52157357 0.478903256 2.062533507 1.057391671 2.703804872 0.3871...
ongeveer 13 jaar ago | 1 answer | 0
1
answermatching from a distribution
The solution for the 1st problem proposed by oleg is wrong. I think it should be : idx = B > A - .1*A & B < A + .1*A; B(idx)
ongeveer 13 jaar ago | 0
Question
matching from a distribution
I am a new user and I hope my question is not too sample. I have a value A=1000; and i have a huge vector B . From B I want to ...
ongeveer 13 jaar ago | 2 answers | 0