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Stephen


Active since 2014

Suspensa Vix Via Fit

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  • Most Accepted 2021
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Answered
Use of assignment '=' in plot command?
That name-value sytnax was introduced in R2021a: y=1:10; plot(y,'.-',linewidth=2) % ^^^^^^^^^^^ this syntax introdu...

etwa 18 Stunden ago | 0

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Answered
Write sections of a long string as new lines in a text document
sub = 'XYZYXYZYZYZXYZYXYZ0XYXYXYX'; tmp = split(sub,'0'); fprintf('%s\n',tmp{:})

etwa 18 Stunden ago | 0

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Submitted


Number to Myriad
Convert a number to a string giving the value using Knuth's Myriad/Yllion naming scheme.

ein Tag ago | 1 download |

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Answered
How to save a matrix data with a concatenated variable name?
It is simpler and more efficient to use a structure: C = {'PrimSpeed','SecSpeed'}; S = struct(); for k = 1:numel(C) ...

ein Tag ago | 0

Answered
Find corresponding element in same row as given value in matrix
Assuming that A and B are you matrices, and that the Y values are in the second columns: [valA,idx] = max(A(:,2)) valB = B(idx...

4 Tage ago | 0

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Answered
What is the best practice to recursively extract data from a nested structure in matlab?
S=struct(); S.case='1'; S.type='A'; S.values.model1.case='2'; S.values.model1.type='C'; S.values.model1.values.mission.case...

7 Tage ago | 0

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Answered
Identifying numbers within a long string containing multiple occurrences of text and numbers in one row
Simpler and gives the requested output: str = 'x y z p (Pa)...

7 Tage ago | 0

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Answered
Read CSV with yyyyMMddhhmmss and group months
Here is one way to group by month only, ignoring empty lines of the CSV file: str = fileread('sample.csv'); tkn = regexp(str,'...

8 Tage ago | 0

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Answered
using mat2cell
Using NUM2CELL would be simpler: C = num2cell(M,1) But if you insist on using MAT2CELL: C = mat2cell(M,1001,ones(1,10))

8 Tage ago | 0

Answered
how can i negative all value in a matrix except diagonal?
M = [13.333,5,0,5,3.3333,0;5,27.333,4,10,3.3333,5;0,4,17.846,0,3.8462,10;5,10,0,17.5,2.5,0;3.3333,3.3333,3.8462,2.5,16.346,3.333...

8 Tage ago | 1

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Answered
How to unfold/concatenate a 3D Matrix?
Making some guesses about the order you want, where A is your array: B = reshape(permute(A,[1,3,2]),[],21)

9 Tage ago | 0

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Submitted


Customizable Natural-Order Sort
Alphanumeric sort of a cell/string/categorical array, with customizable number format.

9 Tage ago | 32 downloads |

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Submitted


Natural-Order Filename Sort
Alphanumeric sort of filenames or filepaths, with customizable number format.

9 Tage ago | 261 downloads |

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Submitted


Natural-Order Row Sort
Alphanumeric row sort of a cell/string/categorical/table array, with customizable number format.

9 Tage ago | 26 downloads |

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Answered
Problem in properly creating a structure to store data
The simple and efficient approach: P = 'absolute or relative path to where the files are saved'; S = dir(fullfile(P,'*.txt'));...

9 Tage ago | 0

Answered
Count number of unique .mat files in a folder
The simple MATLAB approach is to use one of the histogram functions rather than a loop, e.g.: % S = dir(fullfile(rootPath,'**',...

9 Tage ago | 0

Answered
how to know if cell has some empty values
Where C is your cell array: any(cellfun(@isempty,C(:,3)))

9 Tage ago | 1

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Answered
Find index of value extracted from subset in larger set
The simple MATLAB approach is to use indexing: X = 325:400; [p,Y] = min(pvalue(X)); t = tvalue(X(Y));

10 Tage ago | 0

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Answered
How to use regexp in a cell array whose cells may contain cell entries
Your data: S = load('model.subSystems.mat'); model = S.model; Getting indices of nested cells which contain the requested tex...

11 Tage ago | 0

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Answered
How can I create structure entries in a for loop.?
Using a cell array and a structure array: C = {data1,data2,data3}; for k = 1:numel(C) S(k).max = max(C{k}); S(k).min...

11 Tage ago | 0

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Answered
elseif when the flag is not true
" I wanted the else condition to happen only when count1==5*N and the flag condition was not respected." Make the code explicit...

12 Tage ago | 1

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Answered
colon operator returns different answer in command window and script
"colon operator returns different answer in command window and script" Yes, because you called COLON with different values. "W...

12 Tage ago | 1

Answered
Removing certain type of repeating cell
A direct, intuitive, and reasonably efficient approach is to simply check the existing cell array content: out = Conc(5) fun...

13 Tage ago | 0

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Answered
Read .txt file into a matrix and remove unwanted text
Simpler: str = fileread('N2_trace.txt'); tkn = regexp(str,'^(\d+)\.?\d*:[^:]+:\s+([^\n]+)','tokens','lineanchors'); tkn = ver...

14 Tage ago | 1

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Answered
How can I check if it is a string?
The simplest approach is to use ISNAN, because STR2DOUBLE will return NaN for any input that it cannot convert to numeric: if i...

16 Tage ago | 1

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Answered
Selecting a specific part in a string array
tmp = split(strg_cell(i,1)); x3(i,:) = tmp([1,end]); The MATLAB approach would be to use a simple FOR loop, rather than painfu...

19 Tage ago | 0

Answered
Using Textscan to read Sinex file rows with variable delimiters
This is a fixed-width file, especially e.g. the presence of space characters in the location names indicates this. The header un...

19 Tage ago | 0

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Answered
How to change a Data Series contained with Repeated NaNs to become other sequence of NaNs?
A = [NaN, NaN, NaN, 0, 0, NaN, NaN, 0, 0, 0, 0, 0, NaN, NaN, NaN, NaN, NaN] X = diff([isnan(A),false])<0; A(X) = 0

19 Tage ago | 1

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Answered
when using listdlg is it possible to use tex characters in the ListString?
With recent MATLAB versions and OSs you can just use σ: listdlg('ListString' , {'Von Mises Stress', 'σ_x' , 'σ_y'}) E.g. R2018...

19 Tage ago | 0

Answered
Removing element of array at random
a = 0; b = 1; rn = b*randn(200,1)+1; ix = randperm(200,10) % indices of elements to remove rn(ix) = []; % remove elements

19 Tage ago | 0

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