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Stephen23


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Numeric to Ordinal-String
Convert numeric values to a string array of integers with ordinal suffixes. Fully vectorized!

environ 9 heures il y a | 3 téléchargements |

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Why can't the index variable of a for loop be stored in a structure or other array?
"More broadly, is there some way to store index variables together?" status.loop1 = 1:10; for k = status.loop1 %do someth...

environ 9 heures il y a | 1

A soumis


Number to Scientific Prefix
Convert a numeric value to SI-prefixed text (aka engineering / metric prefix). Bonus: binary prefixes!

environ 9 heures il y a | 15 téléchargements |

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Scientific Prefix to Number
Convert SI-prefixed text (aka engineering / metric prefix) into numeric values. Bonus: binary prefixes!

environ 9 heures il y a | 8 téléchargements |

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Choosing specific column within cells
Why not just use the same loop? There does not seem to be any point in using a second loop. for k = 1:numel(C) F = fullfil...

1 jour il y a | 0

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Creating new matrices with input depending on csv filename
See: https://www.mathworks.com/help/matlab/ref/fullfile.html https://www.mathworks.com/help/matlab/import_export/process-a-sequ...

1 jour il y a | 0

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How to select specific rows of data from .mat file containing multiple column vectors
F = 'name of your mat file'; S = load(F); D = structfun(@(v)v(100:499),S, 'uni',0)

1 jour il y a | 0

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count nan of different rows
S = load('TG_sshobscorr.mat'); D = S.sshobscorr; Try either of these: N = sum(~isnan(D),2) N = sum(isfinite(D),2)

2 jours il y a | 0

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How to fix error with while loop?
"I keep getting the error shown below. How can I fix this? " By doing exactly what the error message tells you: move the script...

2 jours il y a | 0

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when I using readtable to read .csv file all variable data get mixed, what are the reason for this and provide proper solution for this
There is no need to change the file format when you can simply specify the delimiter when importing: T = readtable('daily_cloud...

3 jours il y a | 0

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Adding Matrices into main diagonal of Matrix
"As we can see, matrix is not a 10x10 matrix with the main diagonal filled with the intended values above." After calling BLKDI...

3 jours il y a | 0

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How do I add to a structure in a for loop?
Rather than creating another variable, simply store the imported data in the same structure that you are already using. I also i...

3 jours il y a | 0

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Preallocating and filling long array with shorter arrays
The simple apparoach is to use a matrix or array, for example: N = 10; M = nan(5,N); for k = 1:N M(:,k) = rand(5,1); en...

3 jours il y a | 0

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posix/unix time to datetime
Unix time is actually defined as the number of seconds since the epoch. The times you show are the milliseconds since the epoch....

3 jours il y a | 1

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don't know how to write my for loop
The loop might be clearer iterating from 2, for example: N = 121; % total number of vectors A = rand(21,21); M = nan(21,N); ...

4 jours il y a | 0

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I'd like to skip the file that's not there and bring it up!
A simple alternative approach is to use DIR: S = dir('01__input/NO_*.mat');: for k = 1:numel(S) F = fullfile(S(k).folder...

4 jours il y a | 0

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convert char to table or cell
T = readtable('data.txt', 'Delimiter','|', 'VariableNamingRule','preserve')

5 jours il y a | 0

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count the number a letter appears in a string and plot a histogram
V = categorical(["A","C","G","T"]); W = V(randi(4,1,23)) histogram(W)

6 jours il y a | 0

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Intermediate dot indexing produced a comma-separated list with 34 values, but it must produce a single value when followed by subsequent indexing operations
The documentation https://www.mathworks.com/help/bioinfo/ref/getpdb.html#bq5gvma-2 states the the MODEL field can be a structu...

6 jours il y a | 0

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How to sort the rows of an array by the total number of zeros in the row
A = [1,0,0;2,0,0;3,0,0;0,1,0;1,1,0;2,1,0;0,2,0;1,2,0;0,3,0;0,0,1;1,0,1;2,0,1;0,1,1;1,1,1;0,2,1;0,0,2;1,0,2;0,1,2;0,0,3] [~,X] =...

6 jours il y a | 0

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Resample function is not working properly and damaging the signal
It is easy to avoid the loop too, it is just a simple linear interpolation: p = 3; q = 2; tx = (0:p:300-p).'; x = cos(2*pi*t...

6 jours il y a | 1

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Count repetitions separately in an array
A = [1;1;2;2;2;2;2;2;3;1;1;1;1;4;4;4;1;1;1;5;5]; D = diff([0;A;0]==1); B = find(D>0); E = find(D<0); L = E-B X = find(L>2);...

6 jours il y a | 1

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How to combine two vectors column-by-column?
A = [1,3,5,7;9,11,13,15;17,19,21,23] B = [2,4,6,8;10,12,14,16;18,20,22,24] C = reshape(permute(cat(3,A,B),[1,3,2]),size(A,1),[...

7 jours il y a | 1

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How to obtain vector of specific values in MATLAB
M = kron(eye(16),ones(6,1)) or M = repelem(eye(16),6,1)

7 jours il y a | 2

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How to set -0.0000 and 0.0000 as zero in matlab?
"Is there a way to keep zeros as zeros? " Zeros are zeros. But the data you show are not zero: the trailing digits tell us tha...

7 jours il y a | 0

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Reforming index without using loops
Verb % Create a repeating counter with values 1-12 repeating 4 times (48 values total) counter = 1:12; counter = repmat(count...

7 jours il y a | 1

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How to draw the values of a comma-separated list with 100 values?
Assuming that every field POWERH2COM contains arrays of the same size, and also that every SIM structure contains exactly the sa...

8 jours il y a | 1

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Find column number for every row in matrix
M = [-1,4,1;1,-1,-1;-5,4,-1] Method one: logical array, CUMSUM, and FIND: X = M>=0; Y = X&cumsum(X,2)==1; [C,~] = find(Y.') ...

8 jours il y a | 0

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Creating a function to Import data into structures
[TrajX.(trialname),TrajY.(trialname),TrajZ.(trialname)] = Import_Data_Function(vicon,subject,firstframe,lastframe); function ...

9 jours il y a | 0

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Vertically Concatenating Timetables of Different Sizes
"The goal here is to vertically concatenate each timetable so that all the data within the intersection are aligned by column/di...

10 jours il y a | 0

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