Yongjian Feng
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100 of your answers have been accepted
Awarded to Yongjian Feng on 31 Jan 2022
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Content Feed
MatLab App and requirements linking with Requirements Manager
Hi Mark, There is an alternative here. The logic of your MatLab App can be implemented in m-code, and you can call those m-code...
environ 2 mois il y a | 0
| A accepté
I want the a similar function as slreq.export
Hello Marawan, It is a new feature of R2023a that slreq.export can export to ReqIF. Unfortunately, this is not supported before...
environ 2 mois il y a | 1
Where did Matlab stores a requirement set (*.slreqx file) dependencies ?
Check if you have something called Swc_MTR*.slmx. Rename it to something else and try again. That is a linkset file. Please n...
3 mois il y a | 0
| A accepté
Requirements Linking from imported excel
Hello Sherif, This is an interesting workflow. Could you please confirm the steps below: Link a requirement to a selected row ...
5 mois il y a | 0
Why Matlab does not see Python?
matlab uses PATH env var to find python. Your python installation is in a local path. Try this in matlab command line: getenv('...
plus d'un an il y a | 1
problem reading HDF5 on s3
In python, you seem to use read_only flag ("r"). Maybe you want to try: H5F.open('https://dandiarchive.s3.amazonaws.com/blobs/5...
plus d'un an il y a | 0
Create a permutation of elements in the same position
Just 3 for loops.
plus d'un an il y a | 0
Error on loop on multiple ASCII files
File.name only gives you the name of the file, not the path. Try: files=dir('F:\Teamdrive\TEST\**\*.ascii'); numfiles=length(f...
plus d'un an il y a | 0
Matlab plot3 line color setting
Separate them: plot3(x1',z1',y1','Color', myGreen); hold on plot3(x2',z2',y2', 'm', x3',z3',y3','b', x4',z4',y4','k');
plus d'un an il y a | 0
Problem multiplying exponential function with negative value
Try this: t = -20:1:20; x_t = t.*(exp(-0.15*t)); plot(t, x_t)
plus d'un an il y a | 1
Warning: Using only the real component of complex data.
j is the imaginary unit here, so x is complex. stem is not used to plot complex numbers, that is why only the real component is ...
plus d'un an il y a | 0
| A accepté
Loop calculation and output
You meant this: txtFiles = dir('*.txt') ; l=length(txtFiles); N = l*10 ; Bandsheet = zeros(N,8); PSDSheet1 =zeros(N,16); P...
plus d'un an il y a | 0
| A accepté
Simulink Requirements Editor Default Format
Hello Nicholas, Currently these two settings can't be controlled by the user. One alternative is to use copy and paste. You c...
plus d'un an il y a | 0
RuntimeWarning: Couldn't find ffprobe or avprobe - defaulting to ffprobe, but may not work warn("Couldn't find ffprobe or avprobe - defaulting to ffprobe, but may not work",
Try this on matlab command line window: getenv('PATH') This will tell you what PATH matlab is using. You might need to restart...
plus d'un an il y a | 0
Automatically launching an executable
Looks like a warning from Windows, not from matlab. Try to run matlab as admin.
plus d'un an il y a | 0
I need to use Newton's method to solve f(x). Can any one tell me what's wrong of my code and how to improve it.
what i s your dx?
plus d'un an il y a | 0
Error using subprocess>_execute_child (line 1311) Python Error: FileNotFoundError: [WinError 2] The system cannot find the file specified
Most of the times, this kind of error can be fixed by setting the env var PYTHONPATH inside matlab. So figure out what file/pa...
plus d'un an il y a | 0
how to set x-axis and y-axis of a plot as log scales in bold with latex interpreter?
How about these: ax = gca; ax.XAxis.FontWeight='bold'; ax.XAxis.Scale = 'log';
plus d'un an il y a | 0
how to find the nearest value (if a value is already provided) from a given array?
Try this: x=0.61; m=linspace(0,1,9); [a, b] = min(abs(m-x)); m(b)
plus d'un an il y a | 0
| A accepté
hi i have vector for i and this equation : i= (K1*V+(K2*V^0.5)) and amount of V in known. how can i found K1 and K2?
If I and V are vectors, you can just call solve to do the job: I = [1 2]; V = [3 4]; syms K1 syms K2 eq = I == (K1.*V+(K2.*...
plus d'un an il y a | 0
plot from ode45
Too many errors in your code. I tried to clean some, but it still has trouble to figure out what y is: function kk1 clear...
plus d'un an il y a | 0
Automatically loading the .mat file
For "automatically loading", you most likely mean generating the file names in a loop? Try this: num_case = 26; files={}; fo...
plus d'un an il y a | 0
How do I print one variable from solve() ?
Just do disp(A); disp(B); Or a complete script: syms A syms B primereq = 18 * A - 8 * B == 0; segundaeq = -1 * A - 18 ...
plus d'un an il y a | 1
| A accepté
Can I take data while setting them
Not sure how useful the command you proposed is. If you create first a=rand(4) and then take 8 of them as a(:,2:3), the rest 8...
plus d'un an il y a | 2
| A accepté
execute cell content as lines of command in Matlab
Try this first from matlab command line window: pe = pyenv This will tell you what python env is used by your matlab installat...
plus d'un an il y a | 0
File selection using uigetfile in an App in appdesigner
uigetfile in general is put in a callback for a button, as mentioned by Michael. The ValueChanged callback of a textbox is not a...
plus d'un an il y a | 0
I receive the output "Empty sym: 0-by-1"
Ok, the coefficients are the same for both equations. You basically have A*C_1+B*C_2+C ==0 and A*C_1+B*C2+D ==0. These two stra...
plus d'un an il y a | 1
| A accepté
How to call a function inside other function in a equation?
It depends on whether you need to use B in anywhere else. If B is only used in your function yield, you can put it in the same m...
plus d'un an il y a | 0
Sprintf problems while trying to format a directory name followed by a string
Try this: sprintf("\\Mann_Turb\\Seed_%.0f\\class4_10_seed%.0f\\class4_10_seed%.0f_v.bin", 600, 600, 600)
plus d'un an il y a | 0
| A accepté
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