Stephen
Suspensa Vix Via Fit
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Content Feed
Incorrect results from intersect when entering imaginary numbers
A = readmatrix('data1.txt') B = readmatrix('data2.txt') C = intersect(A,B,'rows')
1 day ago | 0
Trouble Reading Multiple .csv Files. "Intermediate dot '.' indexing produced a comma-separated list..." Error.
DataID(i).AxialStrain = DataID(i).RawData(1:ending,1); % ^^^ you need this index every time you ref...
1 day ago | 1
| accepted
loop on handles on GUI
fnm = sprintf('checkbox%d',i); handles.(fnm)
1 day ago | 1
| accepted
how to read files with different name using fid
fnm = sprintf('pfoil_1_var_1_%d.raw',i); fid = fopen(fnm,'r');
2 days ago | 1
Sorting Nested Structures based on Name
As far as I can tell, your actual goal is to sort the elements of all structures based on the content of their NAME field. Assu...
2 days ago | 0
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Find the index of an interval of values in cell array
index = cellfun(@(x) 500<x & x<956, SS, 'uniform', false);
3 days ago | 0
Replace comma with dot after fopen
fnm = 'trial_file.txt'; opt = detectImportOptions(fnm, 'VariableNamesLine',9, 'VariableUnitsLine',10, 'DecimalSeparator',',', '...
4 days ago | 1
How to split array into sub arrays?
"I have a feeling that creating individual variables is not most efficient method..." Creating lots of individual variables wou...
6 days ago | 0
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Writing pressed key to variable
I suspect that you are getting synchronous code (e.g. the evaluation of a script or function) mixed up with asynchronous code (e...
7 days ago | 0
Array don't store value?
Replace n = linspace(t01,t11,h); % Read its help to know why your useage is incorrect. with n = t01:h:t11;
7 days ago | 0
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How to create a vector inside a loop with data from a struct ?
T = {ECG.event.type}; % comma-separated list L = [ECG.event.latency]; % ditto xAB = strcmp(T(1:end-1),'A') & strcmp(T(2:end),'...
8 days ago | 0
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How to store data when a string condition of another column is met?
T = readtable('SED_FULL_NE.xlsx') [G,YEAR,STATE_ABBR] = findgroups(year(T.BEGIN_DATE),T.STATE_ABBR); COUNT = accumarray(G,ones...
9 days ago | 0
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find ( strcmp ( many_different_elements )
"But was wondering if there's a nicer way than to write 90 times in the find line" Of course: forget about repeated STRCMP call...
10 days ago | 0
Compare two Vectors and multiply equal entries
ID = 'ABCDEF'; val = 1:6; arr = 'AABBCDDDEFFE'; [X,Y] = ismember(arr,ID); out = val(Y(X))
11 days ago | 0
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Convert a cell array into arrays
Where C is your cell array: M = vertcat(C{:,4}) or M = cell2mat(C(:,4))
11 days ago | 1
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A function that counts the number of zeros in a vector
D = [1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0]; nnz(D==0)
12 days ago | 1
Get the position of the next in row and next in column in a matrix
A reasonably simple, efficient, robust approach: A = [1,0,-2,0,0;2,8,0,1,0;0,0,3,0,-2;0,-3,2,0,0;1,2,0,0,-4] [C,R] = find(A.')...
12 days ago | 1
How can I use a floating point number with input command?
L = 10; S = sprintf('Enter the location of the force (0 - %0.2f meters): ',L); a = input(S);
12 days ago | 0
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Plotting ode 45 results
clear all % <- get rid of this. It seems that the main purpose of CLEAR ALL is to introduce bugs into beginners' code when they...
15 days ago | 0
Removing a character from a table (that's within a struct)
As far as I understand, you want to convert one column/variable of the table from cell array of character vectors to numeric. Th...
16 days ago | 1
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How to save images on a new folder created automaticaly and named after a video.
"For example : mkdir vid.Path vid.Name. This should create a new folder named after the video`s name right ? " No it won't, bec...
17 days ago | 2
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How to use a function with array output for each value in a different array?
"Ideally, I would want a matrix with each day's zenith angles on each row of the matrix." That is easy, just make sure that DEL...
18 days ago | 0
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Compare 2 strings without using ismember or strcmp
Presuming that your examples with invalid syntax are actually supposed to be string arrays: a = ["qwert34776";"dnfien/8863";"fe...
27 days ago | 0
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Reducing number of elements.
V = rand(100,1) Z = mean(reshape(V,10,10),1).'
27 days ago | 0
How can I add n columns to a matrix?
A simpler, more versatile, and much more efficient approach is to use ZEROS: R = size(X,1); C = number_of_new_columns; X = [...
27 days ago | 1
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I want to increase my cell's length by 8 times, by making each and every element copying by 8 times.
C = {'cat','dog'}; D = repelem(C,8)
27 days ago | 0
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How to use interp1 command?
Numbering your variables like that is a red-herring that makes this task more complex. MATLAB is designed to work efficiently w...
27 days ago | 0
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I am attempting to change the value 'K' to a value of 10 so I can add it to other numbers.
Putting meta-data (e.g. the suits, card types) into variable names makes this task much harder. Meta-data is data and should be...
27 days ago | 1
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Dimensions of arrays being concatenated are not consistent.
The problem is the line-break without any ellipses. But your code can be simplified anyway, removing that problem: x = [ConcVal...
27 days ago | 0
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How to subtract coloumn vectors of a cell array
inp = load('mycell.mat').mycell; % input data fun = @(m) 1+diff(m,1,2); % anonymous function out = cellfun(fun,inp, 'uni',0) %...
28 days ago | 0
