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Feeds
Is there a way to test the range of the parameters sigma and tau where my model remains stable?
@Christopher, One way to measure stability in your simulation is to compute the coefficient of variation (ratio of standard dev...
23 giorni fa | 0
2d plot with colormap behind
@Kaylie, Here is a script that makes six curves that are similar to the six curves in your figures. It plots each curve with a...
24 giorni fa | 0
What is wrong with my ankle joint moment estimation?
@Tomaszzz, I agree with you that the early peak in your calculated ankle moment is anomalous and probably indicates a problem i...
25 giorni fa | 2
| accettato
making the graphic smaller
@Cansu, Matlab functions exportgraphics() and print() allow you to specify the size of the figure that is created. You wrote "...
27 giorni fa | 0
how to validate mscohere?
@CM, You say there are two time domain plots, but I see three. Each of the three time domain plots shows an input and an outpu...
circa un mese fa | 1
| accettato
Remove echo (convolution) from an .mp3 audio file
@Valeria de los Angeles, I recommend using the autocorrelation function to estimate the echo effects, as @Walter Roberson said....
circa un mese fa | 0
Issue with DAQ rms measurement variation with frequency
@Aaron Borgman, How exactly did you make these plots? PLease explain your sampling protocol and calculations in more detail. ...
circa un mese fa | 0
How to solve a bvp PDE with split domain?
@Abdelrahman, Charles Peskin developed a method for handling moving boundaries in a fluid flow problem. Here's a link to one of...
circa un mese fa | 1
Spatial filtering of cylindrical data
@Jim McIntyre, I think filtfilt() is a reasonable idea if you do what you said, which is add a wrap-around from the other part ...
circa un mese fa | 0
| accettato
how to solve 2DOF linear time variant differential equations in matlab with non-diagonal mass, stiffness and damping matrixes
@Elyar Ghaffarian Dallali, @Torsten has given a great answer with plots. Here is another way of looking at the problem - which ...
circa un mese fa | 1
Enhancing Graph Colorization for Visualizations in MATLAB
@salim, That looks like the hsv colormap. F = @(x,t)real(-0.7602345236*1i*sqrt(2) * csch(0.05376349*t - x) * exp(2.31182795*1i...
circa un mese fa | 1
how to determine the wavelengths of an fft of a non-dimensional sequence
@Andreas Baas, I agree with tyhe points made by @Matt J and @David Goodmanson. When the interval between samples (which could...
circa un mese fa | 0
| accettato
We have tetrahedra mesh we went to extract a sphere from this mesh and adabting the mesh
@Maroua Guenaoua, [Edit: Upload modified version of script - see comment below.] A modified version of your script is attached...
circa un mese fa | 0
Inviato
Analyze triangulation
This function returns information about a triangulation, which may be useful when setting up a partial differential equation pro...
circa un mese fa | 0 download |
We have tetrahedra mesh we went to extract a sphere from this mesh and adabting the mesh
@Maroua Guenaoua, I had to fixthe filename. You attached file nodes10.txt, but your code calls nodes10.dat. After I fixed tha...
circa 2 mesi fa | 0
SVC CONTROL(detailed model)
@Xristina, The example description says "one 109-Mvar thyristor-controlled reactor bank (TCR) and three 94-Mvar thyristor-switc...
circa 2 mesi fa | 0
| accettato
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
@Christopher, [edit: fix spelling error; no changes to code] [Edit: Change "./" to "/" inside function odefcn(), since "./" is...
2 mesi fa | 0
Inferring real-world coordinates from pixel positions
@Francesco, The projection equation from world (x,y,z) to image (u,v) is We can estimate A from the control points: % Contr...
2 mesi fa | 1
| accettato
3D plot: draw xy grid line on the middle of the plot box
@Lloyd Bumm, Try grid3() on the File Exchange., by @Hristo Zhivomirov. x=-2:0.2:2; y=-2:0.2:2; [X,Y]=meshgrid(x,y); Z=-2+4*e...
2 mesi fa | 0
What is the purpose of the input argument 'Tolerance' in the risetime function?
@Samuel Foster, Here's an example of tolerance making a difference: t=0:999; x=(mod(t/100,2)>=1 & mod(t/100,6)<5)+0.8*(mod(t/...
2 mesi fa | 0
| accettato
Bivariate colorscale for color plot
Another approach is to map f in one color and map g in another color, then combine them. x=-10:0.5:10; y=-10:0.5:10; [X,Y]=mes...
2 mesi fa | 0
H1 H2 Hv estimators all the same
@Riccardo, [Edit one sentence fo rclarity. No changes to code.] When you get coherence=1, it is an indicator that you have not...
2 mesi fa | 0
| accettato
Domanda
3d plot with +Y up and +Z left
When I plot a side view of a 3D object, with +Y axis up and +Z pointing left, the axis labels are in the wrong place or absent. ...
3 mesi fa | 0 risposte | 0
0
risposteSeeking Alternative Optimization Methods for a 9-Parameter Optimization Task
@payam samadi, [Edit: Some of the equations in my answer do not look right. I pasted them in. The equations looked fine in th...
3 mesi fa | 0
| accettato
Extracting Vessel Dimensions from 2D Fluorescence Microscopy Images in MATLAB
@Alessio, Consider Better Skeletonization in the File Exchange. Please upload a frame of the raw .h5 video image. You write ...
3 mesi fa | 0
How to extract 3D position from the 2D projection using (an optimzation method + 3D Gaussian PDF)
@payam samadi, Good job by you to make a solid effort before asking for help on your homework. You are a good example. The p...
4 mesi fa | 0
Plot legend contours messed up
@dormant, Try the attached. Good luck. Edit: Update the script, as descirbed in my comment below.
4 mesi fa | 1
Max velocity on 1/3 octave band from Acceleration-Time data
@Gerald, I have been doing the same tyhing as @Mathieu NOE b ut not as quicjkly. One thing I noticed is that the line V_fft =...
4 mesi fa | 1
Solve equilibrium equations in MATLAB for a quadruped robot
@idan, The same problem arises in a simple example: compute the weight on each wheel of an automobile. If you assume the car, i...
4 mesi fa | 0
modulate delivers asynchronous result
@fabian hohmann, The result you observe is because the sampling rate (fsw in your code) is too low to support the extremes of m...
5 mesi fa | 0
| accettato
