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Heatmap and surf plot of same data is looking different. Also is there a better way to 2D smooth
Notice that the heatmap shows the center of the blocks labeled 1 through 7, whereas the surf() shows 1 and 7 at the extreme edge...
environ une heure il y a | 0
Does anyone know how to use an IF statement with ODE's? I am trying to create an IF statement sigma > 0 , tau > 0 if dx(3,1) > 0, dx(1,1) > 0 and sigma = 0 , tau = 0 otherwise
Do not use an if statement inside an ODE... Not unless the if statement will always follow the same branch for any one invoca...
environ 18 heures il y a | 1
Getting a shorter, more simple answer as output
syms x y log4 = log(sym(4)); y=(log(x)/log4)+(log(x^2)/log4); dy=diff(y)
1 jour il y a | 1
How to install a personnal toolbox for Matlab and simulink
Copying a Mathworks toolbox onto a system that is not licensed for it, is illegal. Copying a Mathworks toolbox onto a system t...
2 jours il y a | 0
| A accepté
Read .txt file with dots in filename
projectdir = '.'; %directory that contains the data dinfo = dir(fullfile(projectdir, 'xx*.txt')); filenames = fullfile({di...
2 jours il y a | 1
Is it possible to add Interactive Tasks into App Designer
No, Interactive Tasks are specific to Live Script. You would need to build appropriate sliders and drop-down menus yourself.
3 jours il y a | 0
| A accepté
How to prevent tabulate function returning frequencies of variables that are not present in the vector?
The problem is that v1 was created as a categorical with additional categories beyond the ones populated. I do not know of an e...
4 jours il y a | 0
How to generate a file with ANSI encoding in MATLAB (specifically appdesigner)?
[fid, msg] = fopen(FileName, 'w', 'n', 'US-ASCII'); Note that US-ASCII only covers the first 128 characters (0 to 127), and tha...
4 jours il y a | 0
finding longest length
Consider using bwskel -- possibly with the 'MinBranchLength' option.
5 jours il y a | 0
Change variable name based on what loop it is on
It is possible to do this. It is not possible to do this simply. We firmly recommend that you do not do this. http://www.mat...
5 jours il y a | 0
How to skip missing time durations in a time-series heatmap (image based figure)
imagesc(DateTime,APS_diameter,APS_data) imagesc(x,y,C) specifies the image location. Use x and y to specify the locations of th...
5 jours il y a | 0
How can I know the coordinates that the aircraft has moved along the path. If i don't know the position and direction?
If you do not know the speed or time of movement, then you cannot know the position at any time after the initial conditions. ...
6 jours il y a | 0
VxWorks libmat and libmx source code
You can use https://github.com/tbeu/matio
7 jours il y a | 2
Scatter plot error: not enough input arguments
f_of_x = table((1 / sigma_sqrt2pi) .* euler.^(-(ESD_mu_squared / sigma_squared_two))) ; scatter(OL_All.EquivDiameter, f_of_x)...
8 jours il y a | 1
| A accepté
failing to normalize columns of matrix from 0 to 1
Perhaps you want something like n = A; for ii=[2 4 6 8 10 12 14 16 18 20 22 26] n(:,ii) = (A(:,ii)-min(A(:,ii)))/(max(A(:...
8 jours il y a | 1
| A accepté
parfeval evaluation is slow
Note the correction to the number of output arguements parameter in the parfeval() call f = cell(NumOfSlabs, 1); for k=1:NumOf...
8 jours il y a | 0
| A accepté
violinplot (R2024b): SceneNode error?
The typical cause of this sort of problem, is if you have a third-party .m file with the same name as a Mathworks function. To ...
8 jours il y a | 1
| A accepté
How to get the transfer function of IEEE 9 Bus system?
IEEE 9 bus includes circuit breakers. Systems with circuit breakers do not have transfer functions.
9 jours il y a | 0
Plotting inequality using symbolic function
syms Y y_caseA = 5; y_caseB = 10; y_caseC = 7; y_caseD = 3; ineq = piecewise((Y > y_caseA) & (Y < y_caseB) & (Y<y_caseC) & ...
10 jours il y a | 0
forward, backward, center approximations for f(x) = e^x-2x+1
Hint: for K = 1 : numel(y); xdiff(K) = x(K+2) - x(K+1); end for K = 1 : numel(y) yleading(K) = y(K); end for K = ...
10 jours il y a | 0
i need some help with my code simulating the pacific HVDC intertie, for some reason it won’t open in simulink
powerlib/Elements/Three-Phase Source and similar names do not exist. You need for example sps_lib/Sources/Three-Phase Source an...
10 jours il y a | 0
how to represent the purple color by a string value
To represent colors by string, you can use a quoted hexadecimal triplet. For example, plot(y, 'Color', '#800080') However, the...
10 jours il y a | 0
How to open the raw file as attached
That file is in OpenDose DVK format. It is a compressed format. Digging into https://gitlab.com/opendose/opendosedvkdata/-/blob...
11 jours il y a | 0
How to subtract a scatterplot object from a polyshape object
You can retrieve the XData and YData from the scatter plot, and pass the resulting points to boundary or alphaShape to trace aro...
11 jours il y a | 0
| A accepté
Mouse Functions Over Axes on Top of Each Other
Set PickableParts 'none' for the top axes https://www.mathworks.com/help/matlab/ref/matlab.graphics.axis.axes-properties.html#b...
12 jours il y a | 0
Matlab function that tells the full path of from where the function has been called
Use dbstack , possibly with the -completenames option.
12 jours il y a | 0
Repeat calculation 24 times (Cell arrays)
p=[0.1,0.5,1,2.5,5,10,25,50,75,90,95,97.5,99,99.5,99.9]; Stressperc = zeros(numel(p), 50, 24); for col = 1 : 24 for i=1...
13 jours il y a | 0
| A accepté
Has the MEX function (mxGetComplexDoubles) been deprecated in R2024b?
No, mxGetComplexDoubles has not been deprecated in R2024b. The problem is you called it from Fortran and Fortran is calling th...
13 jours il y a | 0
How to place two .fig files together into one .fig file?
In the general case, you cannot merge two .fig files into one .fig file. .fig files are each a combination of graphics informati...
15 jours il y a | 0
How to rename a new matrix obtained by adding a row to the previous matrix
A = [1:5; 6:10] B = A; B(3,:) = 11
15 jours il y a | 0
