per isakson
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2,421 total contributions since 2010per isakson's Badges
Answer 10 questions that were unanswered for more than 30 days
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Problems in reading large matrix with large empty cells
This script reads your sample file %% opts = fixedWidthImportOptions('NumVariables',36,'DataLines',4,... 'VariableNames',{'IN...
19 hours ago | 0
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out of memory error for large data
See How to export complex-valued matrix to HDF file
1 day ago | 0
Error: Not enough input arguments
Accourding to the definition function [ U_RK ] = RK4( U_T, Res, dx, dt, k, N ) requires six input values. Your call of the fun...
6 days ago | 0
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Best Matlab Editor replacement?
I have not always been loyal to the Matlab editor (ME) Long time ago I used the full version of the ED editor that comes (or di...
6 days ago | 0
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Getting error while deleting every row of the matrix M that contains the variable x
The trick is to iterate in reverse order, i.e a:-1:1 instead of 1:a. Try this %% M = magic(5); x = 13; N = Delete_var(x,M) ...
7 days ago | 0
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How to remove both leading and trailing zeros from a binary string?
Is this what you look for? %% A=["00000001111";"00000110010";"10111011100";"00001000110";"11111010000";"00000001010"]; %% B ...
8 days ago | 0
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MATLAB Answers Wish-list #5 (and bug reports)
I wish Answers would automatically reject comments like "I did that but it didnt work"
9 days ago | 1
I want to read a bunch of files inside a loop function in MATLAB, but when I try the following code:
What do you suppose that the following statement will do? j = (i * 2000000); Replace A = dlmread('gr_at_0.l_%d', j); by A =...
9 days ago | 0
unable to make directory in specified folder
"it won't recognize this slef-made folder" Did you add it to Matlab's search path? On my system, R2018b,Win10, your script wo...
11 days ago | 1
How to import a function from another package
Your folder, Model, is not a Matlab package. Package folders always begin with the + character. See Packages Create Namespaces....
12 days ago | 0
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Split a string into 4 character groups?
"Split a string into 4 character groups?", "split this output string into groups of characters" and "I want to group at this sta...
14 days ago | 0
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Please, help with Matlab code
Your function works just fine longestword("Heat","Lakers","Warriors") longestword("cent","centennial","century") longestword(...
14 days ago | 0
How to read in large text file with special delimiters?
"Is there any way to specify your own row and column delimiters to be able to read in this data?" No, I don't think so. How la...
14 days ago | 1
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Nested elseif statement syntax
There is no else block in the outer if-elseif-else-end. This code will display something only for inputs(1)==0 and for inputs(1)...
15 days ago | 0
how to simulate different investments
Based on your question, I've made a small object oriented demo. You don't prescribe how many shares an investor will trade in...
16 days ago | 0
can anyone help me prepare the code
Problems with your script The long lines make the code hard to read. Numerous statement separators are missing I added line ...
17 days ago | 0
is it possible to create array of strings or char from struct of cell arrays
There are character arrays (See Text and Characters) A(1).name='one'; A(1).val=1; A(2).name='two'; A(2).val=2; {A.name} [A.na...
17 days ago | 0
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Changing elements in a MxN matrix
Does this help? %% matrix = magic(10); matrix = triu( matrix,-4 ); matrix = tril( matrix, 4 ) %% This is better, it only ...
18 days ago | 0
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Extracting values out of a cell array with tables
This script puts all the numerical data into a row vector (column-wise). You didn't say anything about order. %% load('CA.mat'...
18 days ago | 1
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Issues with plotting/best method
I added 'd' to all your plot-commands plot(b0(1,1), z(1,1), 'd' ) keyboard hold on plot(t0(1,1), z(2,1), 'd' ) plot(b1(1,1)...
20 days ago | 0
Organizing images in datastore and accessing them with parameters
The statement imds = imageDatastore(location) creates an instance of the class, ImageDatastore. My first idea was to subclas...
23 days ago | 0
Brace indexing is not supported for variables of this type.
"How do I call the sort_nat function to sort folders?" Examples Find sorted file names >> sad = dir('d:\m\cssm\*.txt'); >> ...
26 days ago | 0
understanding "<" operator line
Consider the two lines midCirc = X.^2+Y.^2 < (1/n)^2; NmidCirc = not(midCirc); The first line assigns a logical value (true/f...
27 days ago | 0
Searching for a matched string within nested cell and delivering the index
Assume there is ONE cell contaning 'TOTAL' Try %% ix = find( cellfun( @(cac) strcmp(cac{1},'TOTAL'), values ) ); num = value...
30 days ago | 0
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Take average of multiple matrices
Try this %% load('data.mat') num = cat( 3, phi_BFD_v_sum{:} ); avg = mean( num, 3 ); peek >> avg avg = 0 ...
30 days ago | 1
Pre-allocating cell containers
"I have pre-allocated memory". After pre-allocating memory for a variable you must not change its size. If you do, the effect o...
1 month ago | 0
how to save the outputs obtained by a for loop repeated n times
tot is overwritten in each iteration of the for-loop Replace tot = (Tin{idx(:,i),i+1:i+3}); by tot(:,i) = (Tin{idx(:,i),i+...
1 month ago | 0
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Kill a system process if it takes too long
I did this long time ago and have forgotten the details. And I haven't access to my code now. Thus from the top of my head. Ther...
1 month ago | 1
Counting in one column that is conditional on another column
Does this do what you look for? %% limits = { [0;4], [4;5], [5;6], [6;7], [7;inf] }; %% some simple test data trials = {[ ...
1 month ago | 0
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How to change data in a cell array of doubles?
??? "doing time = time - 1" doesn't "fix the time so that it starts from 0" Try this >> load('trials.mat') >> cac = cellf...
1 month ago | 1
| accepted
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