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How do I add the sum of 1st 3 elements of a vector in a for loop?
a = [32,19.41,11.77,7.14,4.33,2.63]; m = 3; s = sum(cumsum(a(1:m))) or s = a(1:m)*(m:-1:1).' or s = dot(a(1:m),m:-1:1) or...
3 giorni fa | 0
How to plot specific rows from table
Simple Solution: Instead of trying to plot two tables, it would be much better to plot the table content. It just requires chan...
9 giorni fa | 1
| accettato
Cannot set text to UIaxes because cannot set position since xaxis is made of datetime
The basic approach is to supply an x-value which is a DATETIME object: figure() X = datetime(2025,6,1:6); Y = rand(1,6); plo...
9 giorni fa | 1
| accettato
Merging multiple dictionaries with cell arrays
A = dictionary({"type","value"},{"temporary",1}); B = dictionary({"color"},{"blue"}); If you want to create a new merged dicti...
12 giorni fa | 0
| accettato
How does Matlab extract the three columns of data from the ".out" file output by Fluent? What is the code? The attachment file is the data.out
unzip data.zip T = readtable('data.out', FileType='text', Range=3, Delimiter=["(",")"," "], ... VariableNamingRule='preser...
circa un mese fa | 0
ODE event callback function does not update the solution vector
"The cause is the way the nargout function handles the event and callback functions." The cause is because you are testing anon...
circa un mese fa | 0
| accettato
How to add a title with mixed italic and normal text with Tex interpreter?
There might be better ways, but this seems to work: title("\it Italic title part 1 \rm\bf and \it Italic title part 2", 'In...
circa un mese fa | 1
| accettato
How to set variable names using Readtable with hierarchical categories (Excel file with merged cells / multiple header rows)
In lieu of a sample data file I created my own (attached) which looks like this (not all columns shown): If you must keep tha...
circa un mese fa | 2
| accettato
Is the Ordering of the Output from combinations() Documented, Repeatable, and Sensible?
1. "Is the ordering of the output rows from combinations documented?" Implicitly. The COMBINATIONS description states "These c...
circa 2 mesi fa | 0
| accettato
Cell array Filtering when using readlines
Do not store lots of scalar strings in a cell array, doing so makes processing them harder: https://www.mathworks.com/help/matl...
circa 2 mesi fa | 0
| accettato
Why READTABLE skips the first line ?
"Why READTABLE skips the first line ?" Possibly because all of the text are shared strings, which perhaps confuses the READTABL...
circa 2 mesi fa | 0
Inviato
Interactive Regular Expression Tool
Develop and refine regular expressions in an interactive figure that shows all of REGEXP's outputs.
circa 2 mesi fa | 4 download |
Using CurrentPoint in UIAxes in AppDesigner with timedate x axis
Because all of the data are returned in one array any datetime values are converted into a numeric equivalent (i.e. to provide o...
circa 2 mesi fa | 2
| accettato
More unexpected behavior multiplying an array with a double
"I am getting unexpected results when I muliply an array by a double" It is not unexpected, because your data are not what you ...
circa 2 mesi fa | 1
How can I get unique entries and their counts and place back into the table?
"I think is due to (x) not being defined or non existing. " No, it is because you invented some syntax when defining the anonym...
circa 2 mesi fa | 0
Inviato
Number to Scientific Prefix
Convert a numeric value to SI-prefixed text (aka engineering / metric prefix). Bonus: binary prefixes!
circa 2 mesi fa | 3 download |
Inviato
Scientific Prefix to Number
Convert SI-prefixed text (aka engineering / metric prefix) into numeric values. Bonus: binary prefixes!
circa 2 mesi fa | 4 download |
MATLAB loads file it cannot find
"How is it possible, that MATLAB can load a file that it cannot find?" Because of what you did: "...the folder where the files ...
circa 2 mesi fa | 1
| accettato
Read .txt file with dots in filename
"All my current tries using for example "load" or "readmatrix" failed since Matlab always assumes everything after the first dot...
circa 2 mesi fa | 1
| accettato
How to sync Matlab file location and current pwd of command window?
Do NOT use CD for this. This is exactly what the MATLAB Search Path is for: https://www.mathworks.com/help/matlab/matlab_env/w...
2 mesi fa | 1
Matrix size error using integral
"which makes no sense since I'm multiplying scalars." Nope, you aren't. "Why is this?" Because you are multiplying vectors. T...
2 mesi fa | 0
| accettato
Problem with formatting operators - textscan
txt = '26 mins 2013-09-17 09:01:45, 29 mins 2013-09-18 16:53:12, 33 mins 2013-09-19 18:24:27,'; Directly obtaining the intege...
2 mesi fa | 0
why textscan can't parse the time like this
"why textscan can't parse the time like this" Because you have a delimiter right in the middle of your datestamp. Clearly that ...
2 mesi fa | 0
| accettato
how can i get the values of y1, y2? i am only getting the graph.
Return them as function outputs: https://www.mathworks.com/help/matlab/ref/function.html https://www.mathworks.com/help/matlab...
2 mesi fa | 0
| accettato
How to arrange elements in one array to match the position of elements in a second array?
You could find the mapping with ISMEMBER: https://www.mathworks.com/help/matlab/ref/double.ismember.html A = [1,5,3,2,4,4,2,2,...
2 mesi fa | 1
| accettato
Inviato
Number to Words
Convert a numeric to a string with the English name of the number value (GB/IN/US).
3 mesi fa | 7 download |
Inviato
Words to Number
Convert English number name/s written in a string to numeric value/s (GB/IN/US).
3 mesi fa | 3 download |
Hi, my loop function is not working and giving me index error in my member stiffens matrix. any idea what is the issue? thank you
% define coordinates of each nodes Coord_nodes = [0,0; 10,0; 10,10; 0,10]; % define connection of each element Connect_elemen...
3 mesi fa | 0
| accettato
installing MAT-file version 7.3
From the SAVE documentation: save("tmp\wavedata_0301","wavedata","-v7.3"); % ^^^^^^^ https:...
3 mesi fa | 0
| accettato
Select first three elements of double inside cell array
C = {[56,54,36,35];[58,56,55,36];[89,60,56,45]} D = cellfun(@(v)v(1:3),C,'uni',0)
3 mesi fa | 0
| accettato
