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Stephen23


Active since 2014

Suspensa Vix Via Fit

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  • Most Accepted 2023
  • Most Accepted 2022
  • Personal Best Downloads Level 5
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  • Most Accepted 2021
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Answered
How do I insert a substructure within an existing structure at a specific index
"What is the simplest way to do this?" With a structure array this would be easy with some indexing. It would also make accessi...

1 hour ago | 0

Answered
Confusing sprintf() behavior
"Is this a bug?" No. SPRINTF and FPRINTF apply the entire format string to the data values, repeating the entire format string...

3 hours ago | 1

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Answered
concatenate multiple 'OutputFcn' options in odeset?
Define a wrapper function to call whatever functions you want. Note that the wrapper function itself will need to fulfill the r...

4 days ago | 1

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Answered
Plotting matrix data without existing x-values.
S = load('befolkning2019.mat'); M = S.befolkning2019 X = 0:size(M,1)-1; plot(X,M) legend('male','female')

5 days ago | 0

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Answered
Creating 25 x 2 matrix with each row range is 20
m = (0:20:499).' + [1,20]

5 days ago | 1

Answered
Deleting specific repeating sequence from a column vector
"Might there be a more elegant solution?" You don't need a loop, just remove them all at once e.g.: Data = [ 0 %Pac...

7 days ago | 0

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Answered
Writing code to call functions
"I don't think I've learned how to properly call functions because I keep getting errors when trying to run function." The prob...

7 days ago | 1

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Answered
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 = input('How ma...

10 days ago | 0

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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 ...

11 days ago | 1

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...

11 days 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 ...

11 days 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...

11 days 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...

12 days 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...

13 days 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...

14 days 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...

14 days ago | 0

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

16 days ago | 0

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

16 days 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') % ...

17 days ago | 2

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

18 days 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{:});...

18 days ago | 1

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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...

19 days 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...

19 days ago | 0

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Answered
calling a function with struct inputs
"How can I call such a function" Because it neither displays anything nor returns any output it is not a very interesting funct...

20 days ago | 1

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 ...

20 days 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...

20 days ago | 0

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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...

20 days ago | 0

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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...

20 days ago | 3

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Submitted


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

21 days ago | 15 downloads |

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Submitted


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

21 days ago | 12 downloads |

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