Question

problem with loading data from excel and format
Hi! i loaded data from excel file. and wanted to save it as mat file. the proble matlab took a long time to save it , and the r...

11 years ago | 0 answers | 0

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answers

Answered
multi dimensional array and the mean function
I found the solution. First squeeze and then apply the mean function

11 years ago | 0

Question

multi dimensional array and the mean function
Hi! How to apply the mean function on multidimenssional array? % A=[1 2 3; 4 5 6]---> B=mean(A,2). how to appl...

11 years ago | 2 answers | 0

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answers

Question

reshaping and the size of an array
Hi! I have this statement in a program % mag=reshape(mag,length(mag)/27,[]); the size of mag is now 120*27 whe...

11 years ago | 1 answer | 0

1

answer

Question

datenum and date conversion
Hi! the goal was to select 200 data from i big data. i took the time as a parameter and converted it with datenum. i wante...

11 years ago | 2 answers | 0

2

answers

Answered
date and time convert in number
hi! but you could not use datenum(date_time)!

11 years ago | 0

Question

date and time convert in number
Hi I have : % date vector: a=['1.1.2010';'2.2.2010';'2.5.2010'...] time vector: b=['1.2.58';'2.5.52';'4.6.30'....

11 years ago | 3 answers | 0

3

answers

Answered
convert from datenum to a date
Hi! the goal was to select 200 data from i big data. i took the time as a parameter and converted it with datenum. i want...

11 years ago | 0

Question

convert from datenum to a date
Hi, is ther any function which convert the serial number from the function (detenum) to the original date like . I have a ...

11 years ago | 3 answers | 0

3

answers

Question

find a value in a vector of type char
i have vector composed from date and time for exemple: % date_time=[date time] date_time=['06.09.2010' '1:18.25...

11 years ago | 2 answers | 0

2

answers

Question

stepwise mean value of array
Hi! % a= [1 2 5 6 4 7......] how to get the mean value : *mean_a =[mean(a(1),a(110)),mean(a(2),a(120)), mean(a(3...

11 years ago | 4 answers | 0

4

answers

Question

reshaping a matrix in a special way
Hi! How to reshape this matrix: % A= 1 2 3 4 5 6 7 8 9 1 8 5 ...

11 years ago | 1 answer | 0

1

answer

Answered
How continuously saved to excel file
Hi! xlswrite('data.xls', {'title1' 'title2' 'title3'}, 'Sheet1', 'A1') xlswrite('tempdata1.xls', ['data1 data2 data...

11 years ago | 0

Question

reshape with a huge matrix
my matrix is constructed like this: *A=[118*9| 118*9| 118*9|118*9|......]* i have a problem using reshape and mean function: ...

11 years ago | 2 answers | 0

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answers

Question

index and matrix selection
Hi, my index matrixis *size(index)=118*4*. the data matrix is *size(data)=2970290*9* iwa nt to select just index-data. ...

11 years ago | 1 answer | 0

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answer

Question

problem with matrix selection
Hi i want to clear some data from a matrix a of size 10*20. i have the index of data to clear. for a vector *b* we do it lik t...

11 years ago | 1 answer | 0

1

answer

Question

matlab and excel data saving
hi! how cold i save a data (output of matlab) in a excel sheet! data : ATT phi 1 2 2 6 3 3 ...

11 years ago | 1 answer | 0

1

answer

Answered
How do I develop a matlab program for the conversion of S-parameter to Z-parameter from results of measurements of a saw resonator using a VNA?
hi zeinab. you should save your data from vna as s2p file(touchstone file). you can use matlab to open this file. just type t...

11 years ago | 0

Answered
indexing of an array of index
that is really great. how do find in google something like this? i try it to find it myself before i asked the question... th...

11 years ago | 0

Question

indexing of an array of index
Hi! % for l=1:length(date_l) [~, ind(l)] = min(abs(numdates-(date_l(l)))); end i get the array *ind* How ...

11 years ago | 2 answers | 0

2

answers

Answered
the problem with mean function
thanks. But my task is to have a mean value each 25 Value. I thought abaout adding some zeros at the end of the array to get th...

11 years ago | 0

Question

the problem with mean function
i use this function to build the mean of vector: % mean_phase=mean(reshape(phase(:),25,[])) i get this error with ...

11 years ago | 2 answers | 0

2

answers

Question

read a text file or not read it
Hi I have a lot of text files. % file1.txt file2.txt. . . . . file100 i read this files with this funct...

11 years ago | 2 answers | 0

2

answers

Question

save a data as mat file
Hi % % for i=113:113 data=[]; fileID = fopen(['Printout_' num2str(i) '.txt']); block = textscan(fileID, '%...

11 years ago | 1 answer | 0

1

answer

Question

save a data as mat file
i have this code: % if true % code % for i=113:113 data=[]; fileID = fopen(['Printout_' num2str(i) '...

11 years ago | 1 answer | 0

1

answer

Question

save a vector in an array
Hi! I have this loop and i want to save the index (ind) in a vector or array. How should i do this i thougt about a=[a;in...

11 years ago | 1 answer | 0

1

answer

Answered
search for aline in text file a delete it!
input: measurement data1 Freq mag S D 1 2 3 3 2 4 5 8 1 4 5 6 measurement data2 Freq mag S D 1 2 3 3 2 4...

11 years ago | 0

Question

search for aline in text file a delete it!
Hi! i have a text file . in this file i have text and measurement data. the text is not mixed with the data. in each line i ...

11 years ago | 2 answers | 0

2

answers

Answered
problem with cells and lines
Hi aziz My problem is: i have this data: data= {145030x1 cell} {145001x1 cell} {145030x1 cell} ...

11 years ago | 0

Question

problem with cells and lines
Hi! in an array we have this command: a is an array % code a(1:5:end)=[] end ho could i do this for cell...

11 years ago | 2 answers | 0

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