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How to calculate and display electricity used in a month using fprintf?
Note that the assignment does not require that you also print the number of kWH, only the charge is required: n = str2double(in...

約2年前 | 0

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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 ...

約2年前 | 1

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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...

約2年前 | 0

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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 ...

約2年前 | 0

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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...

約2年前 | 0

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cheatsheet for dealing with structures?
"im trying to get all timestamps "timestamp" (for finding duplicate fields) of sub stucture "trainLocations" from every first ce...

約2年前 | 0

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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...

約2年前 | 0

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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...

約2年前 | 0

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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...

約2年前 | 0

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Dealing data with text and numerical in .txt file
T = readtable('data.txt', 'Delimiter',{' ',':',','}, 'MultipleDelimsAsOne',true)

約2年前 | 0

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Struct field name with space or special character
"Is there a way to have space in structure field names?" No.

約2年前 | 2

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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') % ...

約2年前 | 2

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Convert double to datetime when importing .csv
T = readtable('Trace.csv', 'Delimiter',';', 'VariableNamingRule','preserve') P = wildcardPattern + "(X)"; F = @(n) datetime(n,...

約2年前 | 0

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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{:});...

約2年前 | 1

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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...

約2年前 | 0

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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...

約2年前 | 0

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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 ...

約2年前 | 0

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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...

約2年前 | 0

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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...

約2年前 | 0

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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...

約2年前 | 3

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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...

約2年前 | 0

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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...

約2年前 | 1

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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...

約2年前 | 0

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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...

約2年前 | 0

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Put the separator every thousands
Here are some more interesting testcases (with both one hundred million as well as one billion): S = ["100000000";"1000000000";...

約2年前 | 0

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Is there a way to "vectorize" this segment of code?
S = string(randi([0,9], 5,4)) D = str2double(join(S,""))

約2年前 | 1

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Renaming group of files
P = '.'; % absolute or relative path to where the files are saved. F = 'image*.bmp'; % filename with wildcard and file extensio...

約2年前 | 0

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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...

約2年前 | 0

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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...

約2年前 | 1

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Unable to comprehend "time" function output
"Is this output returning the difference between time components of calenderDuration function or only time duration between time...

約2年前 | 1

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