Submitted
Customizable Natural-Order Sort
Alphanumeric sort of a cell array of strings, with customizable numeric format.
13 days ago | 58 downloads |
Submitted
Natural-Order Filename Sort
Alphanumeric sort of filenames or filepaths, with customizable numeric format.
13 days ago | 334 downloads |
Submitted
Natural-Order Row Sort
Alphanumeric row sort of a cell array of strings, with customizable numeric format.
13 days ago | 23 downloads |
Answered
Understanding the structfun() or cellfun() commands
Avoiding CELLFUN or STRUCTFUN is simpler and much more efficient: S = dir('*_M.csv'); V = sscanf([S.name],'%f_M.csv')
Understanding the structfun() or cellfun() commands
Avoiding CELLFUN or STRUCTFUN is simpler and much more efficient: S = dir('*_M.csv'); V = sscanf([S.name],'%f_M.csv')
14 days ago | 0
Answered
how can I store chars of a cells with different length in a matrix
C = cell(N,0); for k = 1:N tmp = ... the output of your function (cell vector) C(k,1:numel(tmp)) = tmp; end
how can I store chars of a cells with different length in a matrix
C = cell(N,0); for k = 1:N tmp = ... the output of your function (cell vector) C(k,1:numel(tmp)) = tmp; end
16 days ago | 0
| accepted
Answered
How to run a matlab code for all folders in a directory?
"Is there a way to run tha matlab code for all the folders with automated manner? " Of course, just use DIR. For example: P = ...
How to run a matlab code for all folders in a directory?
"Is there a way to run tha matlab code for all the folders with automated manner? " Of course, just use DIR. For example: P = ...
16 days ago | 1
Answered
How to fscanf a text file of characters to a string array/vector, but not a 1x1 string?
str = readlines('sample.txt')
How to fscanf a text file of characters to a string array/vector, but not a 1x1 string?
str = readlines('sample.txt')
16 days ago | 1
| accepted
Answered
Problem with adding integers
..+(Vehicle9{index(9)})+... % ^ missing DOUBLE
Problem with adding integers
..+(Vehicle9{index(9)})+... % ^ missing DOUBLE
17 days ago | 0
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Answered
read each line a text file using Matlab function
opt = {'Delimiter',{':',' '}}; fid = fopen('data.txt','rt'); nmc = nnz(fgetl(fid)==':'); frewind(fid); fmt = repmat('%s%f',1...
read each line a text file using Matlab function
opt = {'Delimiter',{':',' '}}; fid = fopen('data.txt','rt'); nmc = nnz(fgetl(fid)==':'); frewind(fid); fmt = repmat('%s%f',1...
18 days ago | 1
| accepted
Answered
how to insert fprintf value into GUI edit text box?
You need to use sprintf, not fprintf: sprintf creates a character vector/string (this is what you need). fprintf prints direct...
how to insert fprintf value into GUI edit text box?
You need to use sprintf, not fprintf: sprintf creates a character vector/string (this is what you need). fprintf prints direct...
20 days ago | 0
| accepted
Answered
Sorting the name field in dir command
You could download my FEX submission natsortfiles: >> S = dir('*.txt'); >> S.name ans = '1.txt' ans = '10.txt' an...
Sorting the name field in dir command
You could download my FEX submission natsortfiles: >> S = dir('*.txt'); >> S.name ans = '1.txt' ans = '10.txt' an...
21 days ago | 0
Answered
How to concatenate horizontally a cell into another cell based on a vector
X = [1,1,2,2]; C = {rand(3,2),rand(3,1),rand(3,2),rand(3,1)}; C{:} Method one: arrayfun F = @(x)[C{x==X}]; D = arrayfun(F,1...
How to concatenate horizontally a cell into another cell based on a vector
X = [1,1,2,2]; C = {rand(3,2),rand(3,1),rand(3,2),rand(3,1)}; C{:} Method one: arrayfun F = @(x)[C{x==X}]; D = arrayfun(F,1...
25 days ago | 1
| accepted
Answered
MAtrix Indexing with a vector that contains colon
The colons must be character, the numeric indices must be numeric (not char like you tried): A = rand(4,3,2,4,3,2,4,3,2,4,3,2);...
MAtrix Indexing with a vector that contains colon
The colons must be character, the numeric indices must be numeric (not char like you tried): A = rand(4,3,2,4,3,2,4,3,2,4,3,2);...
25 days ago | 0
| accepted
Answered
Extract string with regexp()
inp = {'$abc_in','def_in_hij_out[]','xyz'} out = regexprep(inp,{'_(in|out(\[\])?)?\>','\W+'},'')
Extract string with regexp()
inp = {'$abc_in','def_in_hij_out[]','xyz'} out = regexprep(inp,{'_(in|out(\[\])?)?\>','\W+'},'')
26 days ago | 0
| accepted
Answered
Add an array to a cell arrayn within a for loop
V = [321,123,145,908,123,13,1,643,16,134,212,674,121,222,11]; X = [3,7,11,15]; F = @(b,e)V(b:e); C = arrayfun(F,X(1:end-1),...
Add an array to a cell arrayn within a for loop
V = [321,123,145,908,123,13,1,643,16,134,212,674,121,222,11]; X = [3,7,11,15]; F = @(b,e)V(b:e); C = arrayfun(F,X(1:end-1),...
26 days ago | 0
| accepted
Answered
My plot comes up as a white graph with no line.
The basic problem is that this syntax if t==1,2,3,4,5; is equivalent to writing this (i.e. each expression is evaluated indepe...
My plot comes up as a white graph with no line.
The basic problem is that this syntax if t==1,2,3,4,5; is equivalent to writing this (i.e. each expression is evaluated indepe...
26 days ago | 0
| accepted
Answered
Conversion from string to numbers within table
Most likely you should fix the data importing, rather than messing around with converting strings. load('data.mat') T = varfun...
Conversion from string to numbers within table
Most likely you should fix the data importing, rather than messing around with converting strings. load('data.mat') T = varfun...
26 days ago | 0
Answered
Help with if statement in a calculation loop
The simplest and most efficient solution is to use MIN and MAX: x = 5 + randn(5,7)*1.5; x = x*1.3 + 0.5 x = min(max(x,1),10)...
Help with if statement in a calculation loop
The simplest and most efficient solution is to use MIN and MAX: x = 5 + randn(5,7)*1.5; x = x*1.3 + 0.5 x = min(max(x,1),10)...
26 days ago | 0
| accepted
Answered
When creating a vector why does the size change when using a variable vs using a value?
"How come the variable is exactly the same value but gives a different answer?" No, the values are not exactly the same. In on...
When creating a vector why does the size change when using a variable vs using a value?
"How come the variable is exactly the same value but gives a different answer?" No, the values are not exactly the same. In on...
28 days ago | 0
| accepted
Answered
Why 'PreserveFormat' in writetable returns error?
The 'PreserveFormat' option was added in R2020b: https://www.mathworks.com/help/matlab/release-notes.html?rntext=PreserveFormat...
Why 'PreserveFormat' in writetable returns error?
The 'PreserveFormat' option was added in R2020b: https://www.mathworks.com/help/matlab/release-notes.html?rntext=PreserveFormat...
30 days ago | 0
| accepted
Answered
Using matfile to partially extra data still loads entire file into memory
Transpose the cell array (when it is created), so that you are accessing a contiguous part of the cell array: Data = obj.CellAr...
Using matfile to partially extra data still loads entire file into memory
Transpose the cell array (when it is created), so that you are accessing a contiguous part of the cell array: Data = obj.CellAr...
30 days ago | 0
Answered
How to make textscan robust against non-matching lines?
str = fileread('data.txt'); tkn = regexp(str,'#HELLOMATHWORKS,([^,]+),(\S+)','tokens'); tkn = vertcat(tkn{:}) vec = str2doubl...
How to make textscan robust against non-matching lines?
str = fileread('data.txt'); tkn = regexp(str,'#HELLOMATHWORKS,([^,]+),(\S+)','tokens'); tkn = vertcat(tkn{:}) vec = str2doubl...
1 month ago | 0
| accepted
Answered
How to import several csv files (Nan,numeric,text) for operate with them after
"I want the cells to be rename because I want to know to which station corresponds the data in each cell. As you can see I could...
How to import several csv files (Nan,numeric,text) for operate with them after
"I want the cells to be rename because I want to know to which station corresponds the data in each cell. As you can see I could...
1 month ago | 1
Answered
Conversion to double from function_handle is not possible message
You define ome1, ome2, and ome12 as functions of 1 or 2 input arguments, but in some cases you do not call their function handle...
Conversion to double from function_handle is not possible message
You define ome1, ome2, and ome12 as functions of 1 or 2 input arguments, but in some cases you do not call their function handle...
1 month ago | 0
| accepted
Answered
Extracting rows from table with specific digits
I changed your example data so that the first code string contains '2' but not in the 2nd position, to make a more thorough test...
Extracting rows from table with specific digits
I changed your example data so that the first code string contains '2' but not in the 2nd position, to make a more thorough test...
1 month ago | 1
Answered
Assignment of variables by comma separated lists
"Why is that?" The answer is surprisingly simple: the explicit syntax X,Y,Z is considered as three separate evaluations, much...
Assignment of variables by comma separated lists
"Why is that?" The answer is surprisingly simple: the explicit syntax X,Y,Z is considered as three separate evaluations, much...
1 month ago | 0
| accepted
Answered
How to delete certain strings with chaning numbers in a big data set
tmp = sprintf("page %d of 600",i); data_new4~=tmp Or ~strcmpi(data_new4,tmp) Note that you will want to replace the previous...
How to delete certain strings with chaning numbers in a big data set
tmp = sprintf("page %d of 600",i); data_new4~=tmp Or ~strcmpi(data_new4,tmp) Note that you will want to replace the previous...
1 month ago | 0
Answered
Kilobytes to bytes conversion
The SI system defines "kilo". The SI definition of "kilo" means 1000, and has never defined it to mean 1024. Here are the SI pr...
Kilobytes to bytes conversion
The SI system defines "kilo". The SI definition of "kilo" means 1000, and has never defined it to mean 1024. Here are the SI pr...
1 month ago | 1
| accepted
Answered
how can partition a vector into smaller sub sequences
A = 1:19; N = [3,5,7]; S = mat2cell(A(1:sum(N)),1,N) Or V = cumsum([0,N]); F = @(b,e)A(1+b:e); S = arrayfun(F,V(1:end-1),V...
how can partition a vector into smaller sub sequences
A = 1:19; N = [3,5,7]; S = mat2cell(A(1:sum(N)),1,N) Or V = cumsum([0,N]); F = @(b,e)A(1+b:e); S = arrayfun(F,V(1:end-1),V...
1 month ago | 0
| accepted
Answered
How to find a number but if it repeats immediately after, take the first value.
A = [0 5 0 5 5 0 0 0 5 5 5 5 5 0 0 0]; X = diff([false,A==5])>0
How to find a number but if it repeats immediately after, take the first value.
A = [0 5 0 5 5 0 0 0 5 5 5 5 5 0 0 0]; X = diff([false,A==5])>0
1 month ago | 0
| accepted