# Devineni Aslesha

### MathWorks

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.

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**Content Feed**

How can I display and run a Simulink VR World from MATLAB?

Hi William, Here is a similar question that might help you to run a simulink model from the App Designer https://www.mathworks...

1 year ago | 0

Why MATLAB is crashing so much on Mac IOS Catalina?

Hi Alexandre, Hopefully these links might help you. https://www.mathworks.com/matlabcentral/answers/484955-matlab-2019b-not-wo...

1 year ago | 0

Develop an ANN model getting concatenation erro help

Assuming that the error 'Dimensions of arrays being concatenated are not consistent' is in the line inputs = [M,D,H] or test =[M...

1 year ago | 0

| accepted

writing matched filter to determine binary signal

Hi Jacob, Assuming that you do not want to use the inbuilt command for matched filter, here is the way to create signals, find ...

1 year ago | 0

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how to resolve this integral, i have the function in s and i want to integrate this function between t and infinity and get an explicit solution, can someone help me

In the given code, the way the int is used caculates the integral of fun with respect to the variable s from to to Inf. However,...

1 year ago | 1

| accepted

How can I save my camera parameters in a .mat or text file; for example exposure time and ISO value?

Hi Malu, Here is a similar question on how to save cameraParameters to a .mat or .txt file using save. https://www.mathworks.c...

1 year ago | 0

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How to create datastore from cell array containing a lot of data?

Hi Kimberly, Please use the below code to create datastore from cell array freqNorm. tA = tall(freqNorm); write('C:\Users\Kim...

1 year ago | 0

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Unable to perform assignment because the indices on the left side are not compatible with the size of the right side.

The reason for showing 1x1 sym for theta1 is that they are declared as symbolic variables using syms theta1. However, 0x1 sym is...

1 year ago | 0

Eye Diagram different values in measurement for histogram and line plot

Hi Muhammad, In the attached simulink model, the Stop Time is 100 sec. So, when you are trying to change the Display Mode to 2D...

1 year ago | 0

Is there a way to display a pdeplot3d in a subplot?

Hi Christian_T You can display a pdeplot3d in a subplot like other 3d plots. I am using example code available in pdeplot3d doc...

1 year ago | 0

Error using sym/subsindex

Hi Susmit In the given code, the error is due to the presence of x(j+1) and y(j+1) that belongs to Class uint32. However, the E...

1 year ago | 0

How to measure the amplitude and wavelength of the following wave I got after edge detection. Also, I want just one of upper or lower curve as they both have same parameters.

Here is the link for a similar question and the code to get the x and y values for the wave after edge detection is available in...

1 year ago | 0

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Integrate new rows inside matrix and repeating them

Here is the code to integrate two lines inside matrix and repeated frequently before each rows. A = [ "G"+1 "X"+8 "Y"+118 ...

1 year ago | 0

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How to Code This Using filter?

Assuming that 'a' is input data and 'x' is the output data, you can use the filter function as shown below a = 1:5; num = 1; ...

1 year ago | 0

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Single sided spectrum through FFT algorithm

Hi Aishwarya, Here is the explanation for the lines highlighted in bold. 1. f = fs/2*linspace(0,1,NFFT/2+1); https://www.mat...

1 year ago | 1

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How can I equate coefficients of the like powers from rhs and lhs in an equation to obtain a system of ODEs?

Hi Silvia, You can use the coeffs function to equate like powers of t and obtain the corresponding ODEs. eqn = lhs(EQ12)-rhs(E...

1 year ago | 0

Finding roots of a matrix equation

Refer the roots documentation from the given link https://www.mathworks.com/help/matlab/ref/roots.html

1 year ago | 0

transient analysis in power system

You can use the File Exchange links, link1 link2 to do the transient analysis of a power system. You can also use Simscape Elect...

1 year ago | 0

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How to right use awgn after audioread?

Hi Nik, Here, the snr value increases by 1 dB for every for loop iteration. Since, some userdefined functions are used before s...

1 year ago | 0

Mathworks SDR e-book failure: "The Fixed-Point Designer must be available to construct an MFILT.CICINTERP filter."

Hi David, Fixed-Point Designer provides data types and tools for optimizing and implementing fixed-point and floating-point alg...

1 year ago | 0

Change keyboard shortcuts for switching between editor and command window

Hi Nirab For the 2020b update, the keyboard shortcuts are not configurable. One more update has been made to the existing enhan...

1 year ago | 0

designing BPFs using butter function

As the frequency response of the Butterworth filter is maximally flat (no ripples), you do not have an option to specify the pas...

1 year ago | 0

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Discrepancy help article and functionality of "display" block in Dashboard Blockset

Hi Jonathan, The Display block from the Dashboard library supports vector, 2-D matrix, and complex signals. This feature is av...

1 year ago | 1

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Error with Push Button Callback (including check boxes)

Hi Chirag, In the given code, the reason for the error "Too many input arguments" is that the getdatafromTRA0104 function is de...

1 year ago | 1

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Using the solve function for a more complex variable

Hi Noel, Use the solve function to find the solution for the above equations as shown below. syms x y z s1 s2 c1 c2 eqn1 = x ...

1 year ago | 1

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.m Script into GUI App Help

Hi Ann Type guide in MATLAB command window. Open Blank GUI(default). Drag and drop the axes and push button in GUI figure wind...

1 year ago | 0

How to record a sound using App Designer in real-time

Hi Mike Use the audiorecorder object to record audio data from an input device such as microphone in App designer. Refer the ...

1 year ago | 1

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plot() doesn't work in .m file?

Assuming that you have included the code for reading table into M and storing it in x and y before using plot(x,y), the error mi...

1 year ago | 1

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Assigning values to variables after using isolate?

In your code, check with the symsum function as it do not return the sum of the series((-D*n^2*pi^2*t)/(r^2))) with respect to t...

1 year ago | 0

Calculating double integral of two variable

Hi Ismael, To calculate the double integral of a two variable function, integral2 accepts only numeric variables. So, the entir...

1 year ago | 0