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Devineni Aslesha


Last seen: Today

MathWorks

111 total contributions since 2019

I am an Application Support Engineer at MathWorks. My job position allows me to explore different domains in MathWorks and find my target domain by doing projects in different domains.

My areas of interest are Signal processing and communications.

DISCLAIMER:Any advice or opinions here are my own and in no way reflect that of MathWorks.

Devineni Aslesha's Badges

  • 3 Month Streak
  • Knowledgeable Level 2
  • First Answer
  • Solver

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Contributions in
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Answered
Tone generation using synthesis techniques.
Hope the book in this link helps to generate a tune based on synthesis techniques.

5 days ago | 0

Answered
Error using symengine in numerical solver
Hi David, The above issue is replicated by assuming that ‘V’ is also a NX1 vector. The issue can be solved by using ‘./’ instea...

5 days ago | 0

Answered
How to Convetr MATLAB files to CAD files(STEP/IGES)
To convert MATLAB files to CAD files in IGES format, here is the File Exchange link on MATLAB Central which is a forum for our p...

5 days ago | 0

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Answered
Revolving a 2D profile around any axis
The rotate function allows you to rotate a curve around any axis. To rotate the curve along y-axis, use the below code. h = sur...

6 days ago | 0

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For a problem of Amplitude Modulation, if I want to perform it on Simulink but get the various parameters like carrier freq. etc. from a companion m file, how do I do it ??
There are two ways to access variables from a .m file to Simulink. Before running the Simulink model, run the .m file to save ...

6 days ago | 0

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Answered
how to make drawnow for this figure
To animate the red line shown in the attached figure, use the below code. Here, pause is used instead of draw to notice that the...

8 days ago | 0

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Problem solving system of differential equations using dsolve()
The input odes to the dsolve function can be a vector only when the number of indeterminates are equal to the number of odes. Ho...

8 days ago | 0

Answered
How to quickly find the minimal number of rows in a sparse matrix to form a full-rank sub-matrix?
Here is a similar question for your reference to find the minimal number of rows in a sparse matrix to form a full-rank sub-matr...

9 days ago | 0

Answered
Is there a way to programmatically "print" the window of the dsp.SpectrumAnalyzer to a JPG or PNG file?
Use the below code to get the spectrum analyzer window to a JPG or PNG file including the measurement data programmatically. sc...

9 days ago | 0

Answered
niftiread niftiwrite cycle inappropriately changes image orientation
Hi Randolph, I have heard that the issue with niftiwrite function is known and the concerned parties may be investigating furth...

9 days ago | 0

Answered
how to copy circle for a new image using imfindcircle?
Use the code below to copy circle for a new image using 'imfindcircle'. theta=0:1:360; r=round(centers(1,1) + radii*sin(theta)...

1 month ago | 0

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How to compute the scaled version of gray scale image
The ‘NumLevels’ property in ‘graycomatrix’ function scales the image to 8 gray scales as the default value of ‘NumLevels’ is 8. ...

1 month ago | 0

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How to get the range of a complex Inequality
The range of complex inequality can be obtained by using the following syntax for ‘solve’ function. S = solve(a0>0, [kp,ki], 'I...

1 month ago | 0

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how can i use 3d scatter interpolation
Use ‘scatteredInterpolant’ function to interpolate the 3d scattered data. The 3d scattered data can also be interpolated using D...

1 month ago | 0

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Get data from basemap 'topographic'
1. In order to plot a rectangle on the matlab basemap ‘topographic’, use the below code. xRec = [44.56 44.51 44.51 44.56 44.56]...

1 month ago | 0

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Drawing a tangent line (concave line) for a curve
Considering the curve equation as f(x), find the derivative of the curve w.r.to the variable the curve depends on i.e. ‘x’. Eval...

1 month ago | 0

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Plot animation of multivariable function
I considered a random function to plot the animation of a multivariable function. x = linspace(-2,2); y = linspace(-2,2); z =...

1 month ago | 0

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How to convert an ideal filter to a non-ideal filter?
In the above code, the size of C is 3*3 due to the selection of the ‘shape’ in ‘conv2’ function as ‘same’. However, selecting th...

1 month ago | 0

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Answered
how to substitute sym variables in jacobian matrix with numeric values?
The ‘subs’ function works as expected. Please find the code shown below. Iscr = 1; Iph = 2; Vth = 5; n = 4; Vocr = 3; Im =...

1 month ago | 0

Answered
what is the code for converting .wav audio file to hex values and also the reverse of it
Use the following code to convert the .wav audio file to hex values and the reverse of it. [y,Fs] = audioread('RockGuitar.wav')...

1 month ago | 0

Answered
Error in port widths or dimensions. Output port 1 of 'untitled/Add' is a one dimensional vector with 64 elements
Hi Awais Ahmad, After creating the Simulink model, run the pulse_detector_v1_tb.mlx testbench file available from the link: htt...

2 months ago | 0

Answered
How do I edit Default Exciter = dipole in the Antenna Toolbox
Use the following code to design the reflectorCorner antenna with operating frequency 434 MHz. antenna = reflectorCorner; des...

3 months ago | 0

Answered
How to create a 3 variable Karnaugh Map
The following link might help in creating a 3 variable Karnaugh map in MATLAB. https://www.mathworks.com/matlabcentral/fileexch...

3 months ago | 0

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Using the findpeaks function with threshold
The threshold value can be inputted by the user as shown below. prompt = 'What is the threshold value? '; threshold = input(pr...

3 months ago | 0

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How to close the signalAnalyzer app from the command line?
As of now, closing the signal analyzer app from the command window is not supported for the available MATLAB releases. However,...

3 months ago | 1

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Answered
how do we plot enumerated data and real floating point data in the same plot/figure?
The y-axis values in the plot function do not support enumerated data types. Refer https://www.mathworks.com/help/matlab/ref/plo...

3 months ago | 0

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Answered
Did I implement the backwards-euler Methode correctly?
Hi Marchus, The backward euler method is implemented correctly, however as f is not a function of t, the plot is constant for i...

4 months ago | 0

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Answered
Hank and Tank code model
Hi MATLAB has few examples that are related to keynesian models. https://www.mathworks.com/help/econ/examples/modeling-the-un...

4 months ago | 0

Answered
how to generate an image given 2D points coordinates and the gray intensity value
Hi Luca To generate an image with the given 2D point coordinates and the gray intensity value, use the imshow function in MATLA...

4 months ago | 0

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