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Swetha Polemoni


Last seen: Today

MathWorks

26 total contributions since 2020

I am Application Support Engineer at Mathworks.
Disclaimer: Any articles /ideas/opinions here are my own and no way reflect that of Mathworks

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Answered
How to understand the symbolic inverse fourier transform result?
Hi Fast Car, This issue of working with ifourier has been brought to the notice of developers. They may investigate the matter...

ungefär 7 timmar ago | 0

Answered
How do I set my script for FFT of a physiological signal?
Hi It is my understanding that you want to plot single sided amplitude spectrum of a signal. As per my understanding, the i...

2 dagar ago | 0

Answered
How to upload multi files of .mat, then convert to image and crop the center region of the outcome image ? Automatically
Hi Mohamed Elbeialy, It is my understanding that you want to load a mat file , covert it into image and work on it. To unders...

4 dagar ago | 0

Answered
Finding first 5 maxima and its consecutive minima.
Hi Jai Vaidya, You can use "islocalmin" to find minima. Here is an example that uses "findpeaks" to find minima. Hope this h...

6 dagar ago | 0

Answered
How to write code for a composite signal with instantaneous frequency
Hi Jan Ali, It is my understanding that you want to add three signals that are defined only in particular intervels of time. F...

6 dagar ago | 0

Answered
Is it possible to share content directly via Matlab online with a Campus license?
Hi Axel Wings In Matlab it is possible to share folders. Following documentation links may help you with the process. Share...

6 dagar ago | 1

Answered
How can I visualise the side view of 3D matrix ?
Hi. It is my understanding that you want visualize side view of your 3d matrix after plotting. "View" command in matlab can b...

23 dagar ago | 0

Answered
How to plot a dispersion diagram like this?
Hi It is my undersatanding that you want to draw ellipse, hyperbola and straight line in first quadrant. Try the following cod...

24 dagar ago | 1

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Answered
how can i combine 2 or more programm ?
Hi, It is my understanding that you want to use data in one program which is generated in another progarm . You could use "fun...

24 dagar ago | 0

| accepted

Answered
How To Curve Fitting In Respect To Other Curves & Calculate Shift And Compression Of Curve
Hi, It is my understanding that you want to find relationship between your data sets. You may find 'lsqcurvefit" useful. You m...

24 dagar ago | 0

Answered
Time axis of inverse Fourier transform with truncated frequencies
Hi Daniel Lalich, Answer to your question "how to label time axis?" t=0:1/fs:n/fs; % n is FFT length and fs is sampling freq...

25 dagar ago | 0

Answered
Plotting Rician Fading Channel
Hi Saad Khan, You might want to smoothen the histogram. Here is the example for understanding smoothening of histogram using...

25 dagar ago | 0

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Answered
How I get all frequency in FFT result?
Hi, As per my understanding , you want to all the frequcies available in the signal after it is being filtered out. In the las...

26 dagar ago | 0

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Answered
Have anyone tried to get similar results from the Deep Learning Package vs Keras?
Hi , It is my understanding that you want to implement regression using Matlab. You may find these links useful. Refer "Regres...

26 dagar ago | 0

Answered
BPSK modulation. Calculate and plot the one-sided amplitude spectrum of the BPSK-modulated signal
Hi, Following code snippet is for generating sequence of 1 and -1 N=100; % number of symbols x= randi([0,1],N,1); BPSK=2*x...

27 dagar ago | 0

Answered
Plot Discrete and Continuous Signals
Hi, I understand that you're trying to accept input data from user into the App Designer. Refer the following links to unders...

27 dagar ago | 0

Answered
Matrix to Surf Incorrect
Hi, As per my understanding you want these following points to be plotted. (x,y,z)=> (15,50,0.1576549),(25,20,0.1581748),(2...

27 dagar ago | 0

Answered
how to compute energy and power of discrete-time signal using symbolic calculations
Hi, I have tried your code and power is finite for discrete signal also. Use "simplify" to get limit value instead of limit e...

ungefär 2 månader ago | 0

Answered
I want to run two different increments to get two graphs simultaneously using subplot
Hi, As per my understanding you either want to do matrix multiplication or elementwise multiplication of k with t and k2 wit...

ungefär 2 månader ago | 1

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Answered
Phase shift of transfer function
Hi, As per my understanding, you want to calculate transfer function a system from its input and output. In general transfer ...

3 månader ago | 0

Answered
Gaussian Grid in 2d
Hi, As per my understanding, you want custom grid lines that follow Gaussian distribution with specified mean and variance. Re...

3 månader ago | 0

Answered
Eliminate the baseline wavering of this signal
Hi, Baseline wavering can be eliminated by using "polyfit()" function followed by "polyval()" function. Step1: Calculate a ...

3 månader ago | 0

Answered
Change a symbol to a number
Hi, In order to assign number/value to symbols “subs()" can be used. The following code snippet is for better understanding of...

3 månader ago | 0

Answered
Eliminating nested loops without repeating input combinations for equation output
Hi, Eliminating nested for loops is possible using “ndgrid()” function. Look into the following code snippet for better unders...

3 månader ago | 0

Answered
USRP B210 Receiver - not possible to use application compiler
The following are two workarounds which you could try: a) Manually go through the MATLAB search path and remove the paths ...

4 månader ago | 0

Answered
Please help me how to proceed with the below equation to get A's and pi's values
Inbuilt abs, angle and complex functions can be used. A= [abs (complex (0.167,0.3)); abs (complex (0.096,-0.1))] Φ= [angle (...

4 månader ago | 1