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Stephen23


Con actividad desde 2014

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Respondida
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...

alrededor de 12 horas hace | 1

Respondida
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')

1 día hace | 0

| aceptada

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

1 día hace | 1

Respondida
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...

3 días hace | 0

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Respondida
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...

4 días hace | 1

| aceptada

Respondida
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...

7 días hace | 0

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Respondida
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 ...

7 días hace | 1

Respondida
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...

7 días hace | 0

Respondida
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 ...

7 días hace | 0

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Respondida
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...

8 días hace | 0

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

8 días hace | 0

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Respondida
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...

9 días hace | 0

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Respondida
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...

10 días hace | 0

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Respondida
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...

11 días hace | 0

| aceptada

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

12 días hace | 0

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

13 días hace | 2

Respondida
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') % ...

14 días hace | 2

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

14 días hace | 0

| aceptada

Respondida
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{:});...

14 días hace | 1

| aceptada

Respondida
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...

15 días hace | 0

| aceptada

Respondida
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...

15 días hace | 0

| aceptada

Respondida
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...

16 días hace | 1

Respondida
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 ...

16 días hace | 0

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Respondida
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...

16 días hace | 0

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Respondida
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...

17 días hace | 0

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Respondida
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...

17 días hace | 3

| aceptada

Enviada


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

17 días hace | 15 descargas |

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Enviada


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

17 días hace | 12 descargas |

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Respondida
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...

18 días hace | 0

Respondida
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...

18 días hace | 1

| aceptada

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