Answered
I just want to run my script within a certain time periodically. That's it all ....
Use https://www.mathworks.com/help/matlab/ref/timer.startat.html This is the function that lets you specify an absolute time ...
I just want to run my script within a certain time periodically. That's it all ....
Use https://www.mathworks.com/help/matlab/ref/timer.startat.html This is the function that lets you specify an absolute time ...
2 months ago | 1
| accepted
Answered
Why is my table being saved in a wrong way in a CSV file?
"Why is my table being saved in a wrong way in a CSV file?" Why do you think that MATLAB is doing something wrong? "but when I...
Why is my table being saved in a wrong way in a CSV file?
"Why is my table being saved in a wrong way in a CSV file?" Why do you think that MATLAB is doing something wrong? "but when I...
2 months ago | 0
Answered
Split File paths by '\' but file paths have varying subfolders and thus lengths
Your code is very complex. You can simplify it by letting DIR recursively parse the folder structure. Lets try it here: mkdir ...
Split File paths by '\' but file paths have varying subfolders and thus lengths
Your code is very complex. You can simplify it by letting DIR recursively parse the folder structure. Lets try it here: mkdir ...
2 months ago | 0
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Answered
How to create struct of cell arrays
"I was wondering if this is the most "MATLABic" way of doing that" Yes. "...and why the following does not work" Because by d...
How to create struct of cell arrays
"I was wondering if this is the most "MATLABic" way of doing that" Yes. "...and why the following does not work" Because by d...
2 months ago | 0
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Answered
cheatsheet for dealing with structures?
"im trying to get all timestamps "timestamp" (for finding duplicate fields) of sub stucture "trainLocations" from every first ce...
cheatsheet for dealing with structures?
"im trying to get all timestamps "timestamp" (for finding duplicate fields) of sub stucture "trainLocations" from every first ce...
2 months ago | 0
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Answered
importing multiple excel workbooks with multiple sheets into a cell array.
Based on my comment to your previous question: P = 'D:/foo/bar'; % absolute or relative path to the parent directory S = dir(f...
importing multiple excel workbooks with multiple sheets into a cell array.
Based on my comment to your previous question: P = 'D:/foo/bar'; % absolute or relative path to the parent directory S = dir(f...
2 months ago | 0
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Answered
How to get specified data in table
Where T is your table: idx = strcmpi(T.OutputCase,'Pushover-x'); out = T(idx,{'StepNum','GlobalFX','GlobalFZ'}) https://www.m...
How to get specified data in table
Where T is your table: idx = strcmpi(T.OutputCase,'Pushover-x'); out = T(idx,{'StepNum','GlobalFX','GlobalFZ'}) https://www.m...
2 months ago | 0
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Answered
What is the fastest way to do repeated element wise matrix multiplication?
Reduce the number of operations inside the loop by replacing TIMES and SUM with MTIMES (of course adjusting the matrix/vector or...
What is the fastest way to do repeated element wise matrix multiplication?
Reduce the number of operations inside the loop by replacing TIMES and SUM with MTIMES (of course adjusting the matrix/vector or...
2 months ago | 0
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Answered
Dealing data with text and numerical in .txt file
T = readtable('data.txt', 'Delimiter',{' ',':',','}, 'MultipleDelimsAsOne',true)
Dealing data with text and numerical in .txt file
T = readtable('data.txt', 'Delimiter',{' ',':',','}, 'MultipleDelimsAsOne',true)
2 months ago | 0
Answered
Struct field name with space or special character
"Is there a way to have space in structure field names?" No.
Struct field name with space or special character
"Is there a way to have space in structure field names?" No.
2 months ago | 2
Answered
Editing csv data and convert it into a table
Lets fix the file so that it is formatted as a proper CSV file. Then importing it is trivial. S = readlines('EnergyLIS.csv') % ...
Editing csv data and convert it into a table
Lets fix the file so that it is formatted as a proper CSV file. Then importing it is trivial. S = readlines('EnergyLIS.csv') % ...
2 months ago | 2
Answered
Convert double to datetime when importing .csv
T = readtable('Trace.csv', 'Delimiter',';', 'VariableNamingRule','preserve') P = wildcardPattern + "(X)"; F = @(n) datetime(n,...
Convert double to datetime when importing .csv
T = readtable('Trace.csv', 'Delimiter',';', 'VariableNamingRule','preserve') P = wildcardPattern + "(X)"; F = @(n) datetime(n,...
2 months ago | 0
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Answered
how to automate this manual code containing if else conditons?
S = [1 1 1 1 2 2 2 2 2 2]; V{1} = [20 10 40 50 40 30 20 10 20 30]; V{2} = [10 20 30 20 10 30 20 40 20 30]; M = vertcat(V{:});...
how to automate this manual code containing if else conditons?
S = [1 1 1 1 2 2 2 2 2 2]; V{1} = [20 10 40 50 40 30 20 10 20 30]; V{2} = [10 20 30 20 10 30 20 40 20 30]; M = vertcat(V{:});...
2 months ago | 1
| accepted
Answered
Creating a colorbar in Matlab
"Is this colorbar automatic colors? As in Matlab picks its default colours?" Yes. The default colormap is described here: http...
Creating a colorbar in Matlab
"Is this colorbar automatic colors? As in Matlab picks its default colours?" Yes. The default colormap is described here: http...
2 months ago | 0
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Answered
Array indices must be positive integers or logical values. Error
x1= -2:0.01:2; % decimal comma -> point f1 = x1.^2-1; f2 = sin(x1); h1 = plot(x1,f1,'b',x1,f2,'r') % removed superfluous inde...
Array indices must be positive integers or logical values. Error
x1= -2:0.01:2; % decimal comma -> point f1 = x1.^2-1; f2 = sin(x1); h1 = plot(x1,f1,'b',x1,f2,'r') % removed superfluous inde...
2 months ago | 0
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Answered
using "&" with logical array
"why is not correct using &?" Who says that it is not "correct" ? What you show is not a code error (underlined in red), it is ...
using "&" with logical array
"why is not correct using &?" Who says that it is not "correct" ? What you show is not a code error (underlined in red), it is ...
2 months ago | 0
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Answered
How do I control the format of the date stamp on a plot axis with datetime values?
That is named the secondary label and has some rather rudimentary controls, e.g.: https://www.mathworks.com/help/matlab/ref/xse...
How do I control the format of the date stamp on a plot axis with datetime values?
That is named the secondary label and has some rather rudimentary controls, e.g.: https://www.mathworks.com/help/matlab/ref/xse...
2 months ago | 0
| accepted
Answered
I don't know how to fix this, and I honestly don't know what caused this with chebfun
"...I honestly don't know what caused this with chebfun" You modified the function (perhaps accidentally) by adding some code o...
I don't know how to fix this, and I honestly don't know what caused this with chebfun
"...I honestly don't know what caused this with chebfun" You modified the function (perhaps accidentally) by adding some code o...
2 months ago | 0
| accepted
Answered
A bug? input: 1/0 output: -Inf
"A bug? input: 1/0 output: -Inf" Not a bug. Because your value x is actually negative zero not positive zero: https://en.wikip...
A bug? input: 1/0 output: -Inf
"A bug? input: 1/0 output: -Inf" Not a bug. Because your value x is actually negative zero not positive zero: https://en.wikip...
2 months ago | 3
| accepted
Submitted
Number to Scientific Prefix
Convert a numeric value to SI-prefixed text (aka engineering / metric prefix). Bonus: binary prefixes!
2 months ago | 20 downloads |
Submitted
Scientific Prefix to Number
Convert SI-prefixed text (aka engineering / metric prefix) into numeric values. Bonus: binary prefixes!
2 months ago | 5 downloads |
Answered
Weird display in date plotting
Lets convert your data into DATETIME (as they should be) and PLOT them: Date = {'2009-12';'2010-01';'2010-02';'2010-03';'2010-0...
Weird display in date plotting
Lets convert your data into DATETIME (as they should be) and PLOT them: Date = {'2009-12';'2010-01';'2010-02';'2010-03';'2010-0...
2 months ago | 0
Answered
load .mat files in loop
Create some fake data files (it is much better when you provide some data files for us to work with): X=1; save 'S_out_02-10-20...
load .mat files in loop
Create some fake data files (it is much better when you provide some data files for us to work with): X=1; save 'S_out_02-10-20...
2 months ago | 1
| accepted
Answered
Not able to save a ".mat" file when the excel workbook is fetched within a function
"I am trying to fetch an excel sheet from a function and save it as a ".mat" file" That task is much easier and much more relia...
Not able to save a ".mat" file when the excel workbook is fetched within a function
"I am trying to fetch an excel sheet from a function and save it as a ".mat" file" That task is much easier and much more relia...
2 months ago | 0
| accepted
Answered
error Unrecognized function or variable help me please :(!
That really is very bad data design: one single numeric array would be much better than storing lots of numeric scalars in a hug...
error Unrecognized function or variable help me please :(!
That really is very bad data design: one single numeric array would be much better than storing lots of numeric scalars in a hug...
3 months ago | 0
Answered
Put the separator every thousands
Here are some more interesting testcases (with both one hundred million as well as one billion): S = ["100000000";"1000000000";...
Put the separator every thousands
Here are some more interesting testcases (with both one hundred million as well as one billion): S = ["100000000";"1000000000";...
3 months ago | 0
| accepted
Answered
Is there a way to "vectorize" this segment of code?
S = string(randi([0,9], 5,4)) D = str2double(join(S,""))
Is there a way to "vectorize" this segment of code?
S = string(randi([0,9], 5,4)) D = str2double(join(S,""))
3 months ago | 1
| accepted
Answered
Renaming group of files
P = '.'; % absolute or relative path to where the files are saved. F = 'image*.bmp'; % filename with wildcard and file extensio...
Renaming group of files
P = '.'; % absolute or relative path to where the files are saved. F = 'image*.bmp'; % filename with wildcard and file extensio...
3 months ago | 0
Answered
How to have a user select a file and then matlab automatically go into multiple subfolders and pull out a multiple text files and import them in as a table
Let DIR to do the work for you! DIR will happily search in subfolders for specific files, if you tell it to: P = uigetdir('C:\u...
How to have a user select a file and then matlab automatically go into multiple subfolders and pull out a multiple text files and import them in as a table
Let DIR to do the work for you! DIR will happily search in subfolders for specific files, if you tell it to: P = uigetdir('C:\u...
3 months ago | 0
| accepted
Answered
How to use setvaropts for strangely-formatted text file
First lets see if READTABLE et al can ignore those space characters on a simple test file: type testformat.csv readtable('test...
How to use setvaropts for strangely-formatted text file
First lets see if READTABLE et al can ignore those space characters on a simple test file: type testformat.csv readtable('test...
3 months ago | 1
| accepted