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per isakson


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Mismatch between file and format character vector but the CSV file contains only numerics?
dlmread() fails to read and convert quoted digits, e.g. "123","456","789". Neither does csvread(). Shame on The MathWorks. See...

約3時間 前 | 0

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How can I use a specified order of strings to index from a cell array?
Run section by section %% deg_baseFileName = "Test1_female_44k_70dBA_babble7ch_1sp_20k_00dBA_48k"; %% deg_parts = strsplit(d...

1日 前 | 1

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if statement with sub cases
Try %% text = 'Time = 16:0:16 Height'; %% num = sscanf( text, 'Time = %d:%d:%d Height' ); time = [ 60*60, 60, 1 ] * num;...

1日 前 | 1

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Loading Large .txt files
You didn't say how much physical memory is in your system. Matlab provides ways to handle large text files, Large Files and Bi...

3日 前 | 0

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serveral normrnd without a loop
What about this? >> cell2mat( arrayfun( @(m,l) normrnd( m, sig, [1,l] ), mu, len, 'uni',false ) ) ans = Columns 1 through ...

3日 前 | 0

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How can I run a matlab program N times using a different value of one of my variables
Assumptions: You have a script. Lets call it myScript. The first line of myScript is clear all Near the top of myScript the...

4日 前 | 0

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How to remove \n and empty line after combine all the lines into an array
Replace fgets by fgetl fgetl, Read line from file, removing newline characters In response to comment To remove the endi...

4日 前 | 1

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Replace numbers into a vector starts at the center? Looking for general format
Run this %% vec = [ 0 0 0 0 0 ]; vec1 = [ 1 1 1 ]; new_vec = [ 0 1 1 1 0 ]; %% len = length( vec ); len...

5日 前 | 1

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index exceeds matrix dimensions
Your profile shows that you over the last few months have posed ten questions in this forum and not received a single answer. Ar...

5日 前 | 1

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Loop is running only for certain value in the whole range
I'm not a fan of backward engineering of faulty code. The formula of one of your comments is the formula of a moving average. Ma...

6日 前 | 0

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Using Property Blocks : Set/get on properties within a single property block
The problem is obviously to implement 'block','Data'. Try this >> myc = myClass myc = myClass with properties: na...

7日 前 | 1

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Class with dynamic properties but no handle
"like a stupid thing to ask" No that's definately a good question that deserves an answer. "how do I go from a handle class t...

7日 前 | 1

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Determine The Input Time with tic,toc
I assume that hObject is a uicontrol object of style edit. Your current script reads the elapse time of getting the current st...

8日 前 | 1

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Import .mat files and arrange some data in a matrix
Set Pause on Errors and run again Next see: Debug a MATLAB Program and Examine Values While Debugging

8日 前 | 0

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How to inherite and intialize object values
"How do I inherit inputDef in a another class such that [...]" See Composition over inheritance and try %% in = inputDef()...

8日 前 | 0

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Replace the elements of a matrix
One way z = permute( A, [2,1] ); B = z(:); or z = permute( A, [2,1] ); B = reshape( z, [],1 );

9日 前 | 0

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Error in fprintf function
"Invalid file identifier. Use fopen to generate a valid file identifier". The problem is most likely with this line fid = fopen...

11日 前 | 1

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From cell to matrix
One way %% cac = { [5,6],[5,12],[6,12] ; [7,11],[],[] ; [18,19],[],[] }; % your sample data ise = cellfun( @isempty, cac ); ...

11日 前 | 0

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Table values that is a scalar string
On my system Win10, R2018b, Excel 2016 all the methods to reference the last column works. (I downloaded AA.xlsx from another qu...

14日 前 | 0

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Question with for loop 'Index in position 1 exceeds array bounds (must not exceed 9)'
Line 9 arcStraight(ii,jj)=distance('rh',lats(ii,jj), lons(ii,jj),lats(ii+1,jj),lons(ii+1,jj),referenceEllipsoid(7030)); conta...

14日 前 | 1

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How to read only the first term on the file.
Try this %% ffs = 'h:\m\cssm\force.dat'; % change to your folder fid = fopen( ffs, 'r' ); cac = textscan( fid, '%*f%s%*s%*s'...

18日 前 | 1

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How to change time interval in timeseries plot?
See resample - Resample timeseries time vector retime - Resample or aggregate data in timetable, and resolve duplicate or irre...

23日 前 | 1

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renaming certain part of a file
Try this %% xpr = '^[^.]+\.([^.]+)\.{2}\w+?(\w)\.\w+\.\d{4}\.(\d+)\.'; %% old_name = 'LM.BARI..BHZ.D.2018.246.000000.txt'; ...

23日 前 | 0

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Stuck at a For Loop
Notes from my debugging session: added your assignments of input values to the top of the script commented out the input() sta...

23日 前 | 0

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Count Unique Occurrences of Elements
I cannot make comments, thus I use an Answer To ensure that Stops, Buses and UniqueBuses are row vectors add the following li...

23日 前 | 1

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Count Unique Occurrences of Elements
Try this %% Stops = [ "w", "w", "x", "x", "x", "y", "z" ]; % String Buses = [ "A", "B", "C", "A", "C", "D", "B" ]; % Stri...

24日 前 | 1

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Optimized code for loop, If-statement for large dataset
Try this %% ixcol = [ 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19 ]; n=0; for i = 1 : length(d_A) if all( isnan( d_A( i...

24日 前 | 0

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A problem about using %f
Try this %% K = randi( [1e9,9e9], 1,9 ); % sample data %% cac = arrayfun( @(x) num2str(x), K, 'uni',false ); %% str = stri...

25日 前 | 0

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Listing only a certain value in from text file
Try this %% chr = fileread('cssm.txt'); %% cac = regexp( chr, '[\d\.]+(?=[\t\r ]*$)', 'match', 'lineanchors' ); num = str2d...

26日 前 | 0

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Handling large data sets
Idea : Version 7.3 MAT-files are HDF5-files. Matlab has functions to read HDF5-files, Importing HDF5 Files. The tricky pa...

26日 前 | 0

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