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Plot exceeding time limit due to large dataset
You can replace those ~80000 plotted red, green, and blue lines with 3 lines: one red, one green, and one blue. Use NaNs in the...
environ 13 heures il y a | 0
Convert cell array of structures to numeric vector
ale{1}.a = 0; ale{2}.a = 1; ale{3}.a = 1.5 This will work for the given example: S = [ale{:}]; ale_vec = [S.a]
1 jour il y a | 0
For loop for different step size
M = [24 80; 24 80; 24 80; 24 80; 30 120; 30 120; 48 124; 48 124; 48 124]; [c,g] = groupcounts(M(:,2)) There are your y- and x-...
1 jour il y a | 0
| A accepté
How to perform matrix math
fn = dir('*.csv'); % this call returns info about .csv files in the current directory; % you may need to mod...
2 jours il y a | 0
| A accepté
I think, I might have a problem with the 'hold' part and I get the 'error while evaluating button privatebuttonpushedfcn'
You need to tell hold() and axis() to operate on your app's axes: ... hold(app.UIAxes,'on') ... hold(app.UIAxes,'o...
2 jours il y a | 1
| A accepté
I am trying to convert the date data from the CSV file to datetime, but it shows error, how do I fix this
Looks like the format is 'dd-MMM-yy' rather than 'dd/MM/yy'. dates=datetime(dates,'InputFormat','dd-MMM-yy')
2 jours il y a | 0
Help with time variation graphs versus time
Here's an example, using made-up data in a file that more-or-less follows your file's format as far as I can tell: file_name = ...
3 jours il y a | 0
How do I point at certain columns in a .csv file and then run calculations on it?
You can modify the code as follows (specifying 9 header lines, and using only columns 2-4 of the matrix read): % appropriate di...
3 jours il y a | 0
| A accepté
Two variable has the same array of 1 but the code show error
0,5 should be 0.5
3 jours il y a | 1
| A accepté
How do I plot an integral which is repeated over an interval?
Make L a vector, use one element of L on each iteration of the for loop, pre-allocate alpha_bar_s before the loop to be the sa...
4 jours il y a | 0
Run a calculation on multiple different .csv files and export the result
See my recent comment on a closely related question: https://www.mathworks.com/matlabcentral/answers/2156490-subtracting-matric...
4 jours il y a | 0
| A accepté
doing operations on 1xN struct
Constructing a structure array: N = 2; S = struct('matrix_field',permute(num2cell(rand(3,3,N),[1 2]),[1 3 2]),'other_field',{'...
4 jours il y a | 0
Subtracting matrices by column and performing a summation.
3xX indicates 3 rows and X columns, but your subsequent explanation describes a matrix with X rows and 3 columns. I'm going to a...
4 jours il y a | 0
| A accepté
how to plot 4D figure to describe changing in ocean ?
"I try to plot with surf but give me the surface changing" How did you use surf, and what was wrong with the result? Have ...
5 jours il y a | 0
Choose role of NaN when summing two matrices
Here's one way: aa=[1 2; 3 NaN]; bb=[NaN 1; 2 NaN]; tmp = cat(3,aa,bb); cc=sum(tmp,3,'omitnan'); cc(all(isnan(tmp),3)) = ...
6 jours il y a | 1
| A accepté
embedding inset plots in subplots matlab
Supplying the tiledlayout t to nexttile (i.e., specifying nexttile(t)) seems to fix the problem. load my_data ym = 16; % De...
6 jours il y a | 0
| A accepté
Matlab plots step response vs timestep number instead of time in seconds
plot(t,y)
6 jours il y a | 1
| A accepté
Trying to use for loop to create an array of bandpass filters, but gets error "conversion to double from dfilt.df2sos is not possible"
Make bppf a cell array: bppf = cell(1,8); Then index bppf using curly braces instead of parentheses: bppf{i} = dfil...
7 jours il y a | 0
| A accepté
how to parse text file read into cell array
filepath = '.'; filename = 'test.txt'; netlist = fileread(fullfile(filepath,filename)); % show the last part of netlist ...
7 jours il y a | 0
| A accepté
Motion of a square
The code is OK, in the sense that it runs and presumably fulfills the requirements. However, there are some improvements that ca...
7 jours il y a | 0
| A accepté
Compare char data in a cell {'x'} to a character 'x'
1. app.StimInputTable.Data = readtable(infile); That overwrites completely whatever was in app.StimInputTable.Data before (as ...
8 jours il y a | 0
| A accepté
How do I ask the legend to add labels for multiple graphs
legend("Title"+(1:n))
9 jours il y a | 0
merging two table cells?
Not possible to merge cells, but you can make multi-line column headers in a uitable that's in a uifigure, which may be good eno...
9 jours il y a | 0
Is giving a space after comma in functions the convention?
Both are matters of preference.
9 jours il y a | 1
How does MATLAB generate the probability density function?
PDFs are calculated from their definitions. They are not simulated. Example, calculating a standard normal PDF and comparing ag...
10 jours il y a | 1
Error creating array with evenly spaced elements
Find the index of the element in F that is closest to 62.3: [~,id] = min(abs(F - 62.3))
12 jours il y a | 2
point inside an area
The coordinates in x_boundary and y_boundary don't specify the polygon you mean to specify, because the points are out of order....
12 jours il y a | 0
| A accepté
Error using plot Invalid data argument.
Try replacing x = t.ModelName; with x = categorical(t.ModelName); And run the code again. If that doesn't w...
13 jours il y a | 0
How to permanently hide the toolbar for an axes even after replotting
You can delete it, e.g.: delete(gca().Toolbar)
15 jours il y a | 0
Why won't my computer display the top of the output? Why does it cut if off?
Most likely the number of lines output to the Command Window exceeds the command window scroll buffer, which by default is 5000 ...
15 jours il y a | 0
| A accepté