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**Feeds**

Logarithmic amplitude scaling of a signal

@Lorenzo Lellini, note that your curve is assuming a full scale sweep of +/- 1 whereas sweeptone produces +/- 0.5 so you need to...

1 year ago | 1

| accepted

""Unrecognized variable name 'Time'" I am getting this type of error during ploting , how I can fix this?

@Ritesh, if you remove the first 2 header lines from the CSV it will work properly. There is probably an alternative to have MAT...

1 year ago | 0

| accepted

How to detect intersection of 3D rectangles that are rotated?

@Michael Ferguson, You can try the attached delaunayTriangulationIntersect.m function that I use to look for intersection of sol...

1 year ago | 1

| accepted

scale a point cloud (enlarge or reduce)

@Alberto Acri, I don't have the toolbox you do but you should be able to expand Rowsx3 similar to this (red are added): % Creat...

1 year ago | 0

Plot arrow as upper limits in errorbar when I don't have lower bound

@Roberto Serafinelli, using the e = errorbar call where the inputs are given to draw individual lines (see and Multiple lines wi...

1 year ago | 1

How to find the y from given x on fit line?

@kivanc Koca, if you have a fit using spline, pchip, makima, interp1, or the spline utility function mkpp you can use Evaluate p...

1 year ago | 0

How to use Delaunay Triangulation to create a plane with constraints?

@youssef hany, if all your points are coplanar for one section (in your picture a wall, floor, etc) they can be processed as 2D ...

1 year ago | 0

How can I put three different tau_rms in this code and draw them in one picture? (each tau_rms = 5*10^(-9), 30*10^(-9), 80*10^(-9), when SNR_MMSE is same as 30.)

@zoopzdd, as in most cases where you want to apply multiple values in code methods invoked that aren't intended to receive multi...

1 year ago | 0

Problem with threshold in if statement

@Siegmund Nuyts, since you are negating the values input to Find local maxima - MATLAB findpeaks (mathworks.com) when looking fo...

1 year ago | 0

| accepted

Need help with an error

@Ryan W, try this instead - you need to look at all possible sequential value sets so a recusive function seems applicable. This...

1 year ago | 0

i want to add a loop so that it works like this.

@SAHIL SAHOO, since Gt(1) is not changed after the initial setting from the y input, and Gt(i+1) is not refereced before where y...

1 year ago | 0

constantGammaClutter doesn't take account of Doppler shift of the frequency due to radar motion

@Andrey Senkov, this bullet below from the description of Simulate constant gamma clutter - MATLAB (mathworks.com) indicates it ...

1 year ago | 1

I'm getting an error (Index in position 1 exceeds array bounds)

@Majd AG, find is going to look at the entire signal as if you had written signal(:) > max_thresh; find will return values beyon...

1 year ago | 0

| accepted

Optimisation of a 3 vector velocity

@Olivia Davison, perhaps you are saying x, psi, gamma and velWind are related, one for each object: x(N,3), phi(N,1), gamma(N,1)...

1 year ago | 0

How to plot a second coordinate frame using plot3?

@Jimmy Neutron, your Z rotation matrix doesn't agree with your Z rotation formula. Either could be correct depending if you want...

1 year ago | 0

How to solve this issue?

@Nisar Ahmed, I think what you want to do to have Simulink outputs grouped across multiple runs is something like the example in...

1 year ago | 0

Error in finding phase noise of an electrical oscillator...

@khan, my guess is that your data frequency is not compatible with the other parameters; the example looks at a signal of 2.7G a...

1 year ago | 0

| accepted

Submitted

Utility package with NoGrow class and realDeal function

Utilities I find useful: NoGrow superclass to detect and/or prevent growth of arrays; and realDeal to augment MATLAB deal functi...

1 year ago | 1 download |

Looping if between 2 numbers

@jason, the and operator (&) produces a logical (true/false 1/0) result - not a range of values. Please look at MATLAB documenta...

1 year ago | 0

How to assign to a collection of object properties stored in an object array, using a numerical array of compatible type and size (one statement, without for-loop!)?

@Peter, without getting into your specific code I suspect that [obj.objArray(IndexSet).tstmp] = T(1:nI) is incorrect in that the...

1 year ago | 0

| accepted

How to shade the same area in each subplot in a 5x1 Figure?

@S_G, if you use debug to step thru the code you will see that the 2nd subplot initially gets the shading, but then line plotted...

1 year ago | 0

How to solve 'Error using image Complex values are not supported. Specify the color data as numeric or logical values.'

@Nisar Ahmed, I don't have the toolbox for ksdensity but the imaginary parts of SW_OPT are insignificant relative to their real ...

1 year ago | 0

| accepted

How can I evaluate an Simulink.data.Expression in a MATLAB script

@Karsten Gordon, Evaluate MATLAB expression in data dictionary section - MATLAB evalin (mathworks.com) or Evaluate MATLAB expres...

1 year ago | 0

How can I read data in backgorung from my NI hardware?

@Jan Tomaszewski, try moving the device setup into your main program and pass that dq (and maybe ch3) as a parameters to the wor...

1 year ago | 0

My snipet code have 3 harmonics, second's amplitude is maximum, but abs(fft(X)) returns first as maximum. I use MATLAB R2022a.

@Georges Theodosiou, you don't have enough samples to easily interpret the abs(fft), if you change Segm = 1:2048 to use 16384 yo...

1 year ago | 0

| accepted

fill value that has different size of array

@상훈 송, trying to save results directly into part of an array will not work unless you know exactly what the size of the return w...

1 year ago | 0

| accepted

Converting a list of binary numbers to a decimal numbers

@Martin Mittrenga, read up on num2str and strsplit which don't really support vectors of things. One way to do this without loop...

2 years ago | 0

Fast fourier tranformer for Time series data

@Mohammed Lamine Mekhalfia, I think the answer provided by @dpb is valid although @Bjorn Gustavsson has valid points as well. By...

2 years ago | 0

is this expression right in MATLAB?

@Aisha Mohamed, what you are looking for is known as a Laurent polynomial - Wikipedia. The MATLAB Wavelet Toolbox has functions ...

2 years ago | 0

How to evaluate the computation time of some codes in parallel properly?

@Slivery, when using the cputime difference method don't forget to divide by 21 (the number of executions being averaged). Depen...

2 years ago | 0

| accepted