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Sai Veeramachaneni

MathWorks

Last seen: 6 months ago Active since 2020

I am Application Software Engineer at MathWorks.
My area of interests include Simulink, MATLAB, Deep Learning.
Disclaimer: Any opinion here are my own and in no way reflect that of MathWorks.

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  • Knowledgeable Level 2
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Answered
Vector Dot Product using Matrix
Hi, Refer to this example. For multidimensional arrays, dot function calculates the dot product of corresponding vectors along...

7 months ago | 0

Answered
Dependent property for subclasses
Hi, get.a is not a valid function name, Valid function names begin with an alphabetic character, and can contain letters, numbe...

7 months ago | 0

Answered
Initializing MATLAB Graphics failed in Linux.
Hi, Your issue might be related to this known bug. I suggest you to contact support for startup issues Thanks

7 months ago | 0

Answered
How can I rewrite symbolic expression as a function of another symbolic expression?
Hi, You can leverage syms, diff functions to implement your functionality Example: syms x y V = x^2+y^2 f1 = x f2 = -x+y...

7 months ago | 0

Answered
MatLab Equation - Two Unknowns
Hi, Nl_Final==(1-((tan(h)*(n*s_AR))/(n*s_AR))); In the above equation n*s_AR is getting cancelled out in numerator and denomin...

7 months ago | 0

Answered
How to multiply array by -1?
Hi, You can use y = -x or y = -1.*x

7 months ago | 0

Answered
Get coeffs of exponents
Hi, You can use syms and coeffs. Example: syms t w i A=-1*exp(t*w*-1i)/2 + exp(t*w*1i)/2 - exp(t*w*2i)/2 + exp(t*w*-2i)/2 c...

7 months ago | 0

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Answered
I am getting an error
Hi, Try navigating to different folder and repeat the intended action. A quick fix is to type below command in command window ...

7 months ago | 0

Answered
from urdf to simscape model
Hi, You can import urdf model into Simscape using smimport. References: Urdf-import Hope it helps.

7 months ago | 0

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Answered
how to change time interval to day, month and year?
Hi, Stop time indicates the period of time for the simulation to run from the start time. It is simulation time which is not sa...

7 months ago | 0

Answered
Whenever i open matlab i see following error message. I am also not able to draw graph in matlab due to this issue. I am using a debian machine with nvidia graphics card.
Hi, Try executing one of the following commands in debian shell to start MATLAB matlab -nodesktop -r "opengl info, desktop" m...

7 months ago | 0

Answered
Download files from an URL
Hi, i = strsplit(url, '/'); y = length(i); fileName = i(y); It seems that above lines of code makes the fileName variable...

7 months ago | 0

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Answered
What is the difference between Optimproblem and linprog
Hi, There are two ways to solve an optimization problem. 1) Problem-based 2) Solver-based Problem-based approach involves c...

7 months ago | 0

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Answered
download matlab R2020b in windows 10
Hi, This is not expected behaviour and can't be reproduce at my end. I suggest you to contact MathWorks support to resolve this...

8 months ago | 0

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Answered
can we use the current versions of matlab without updating
Hi, You can use existing version of your MATLAB without updating, but you can't use the features released in later versions.

8 months ago | 1

Answered
Possible to create new classification learner to add to Classification Learner app?
Hi, Adding custom classification learner to drop-down menu in Classification Learner app is currently not supported.

8 months ago | 0

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Answered
Sharing data among AppDesigner, Functions and Simulink Model.
Hi, You can use assignin function to assign variables in base workspace, also try methods suggested here. Hope it helps.

8 months ago | 1

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Answered
how to extract an extra variable which is calculated in ode function to main workspace?
Hi, You can leverage assignin and evalin functions for your usecase. Hope it helps.

8 months ago | 0

Answered
for loop sequence from the matrix
Your question can be split into two parts. Identifying discontinous numbers in the matrix A. Exeute the for loop with +5 and -...

8 months ago | 0

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use java class with '$' symbol in the class name
Hi, It seems that Builder is a nested class inside GoogleAuthorizationCodeFlow.($ denotes presence of inner class) Try import...

8 months ago | 0

Answered
To Expand Subsystem by using model explorer
Hi, One possible idea is to use Simulink.BlockDiagram.expandSubsystem(subsys). Step-1: Get all the blocks and subsystems in th...

8 months ago | 1

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Answered
How to make a polar plot using element-by-element multiplcation
Hi, You can refer to polarplot function and try some examples from here.

9 months ago | 0

Answered
How do we vary hyperparameters to find the optimal values?
Hi, You can try parameters listed here to build the optimal model which is suitable for your dataset.

9 months ago | 0

Answered
Finding several peaks in a vector
Hi, You can use islocalmax and islocalmin functions to calculate locations of local maximums and minimums respectively. You ca...

9 months ago | 0

Answered
neural network with bayesian regularization: find weights and biases and recalculate the network
Hi, You can use net.IW, net.LW, net.b properties of neural network object to get weights and biases used in the network. You c...

9 months ago | 1

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Answered
How to find the Elements of a Coefficient Matrix?
Hi, You can leverage coeffs function to find coefficients of an equation. Example- syms A B C x y E=A+A*x^2+B*x+C*x+C*x^2+A...

10 months ago | 1

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Answered
What different parameters can I use to see any effect it has on the model?
You can try all the parameters of NaiveBayes.fit as specified here. For your information - According to the R2018a Release Note...

10 months ago | 0

Answered
An array / matrix of tables
Hi. I think you are using smooth parenthesis for assigning table to cell index i.e. c(1)=Table which results in "Can't convert ...

10 months ago | 0

Answered
Find first item with a certain condition and use it, instead of finding all items with that condition
Your second example using find is not feasible due to memory limitations. To my understanding you are doing linear search and ...

10 months ago | 0

Answered
what's the difference bewteen the scatternign tarsnform and cwt function?
cwt function – It performs the continuous wavelet transform (CWT) for the given input signal. It returns the wavelet coefficient...

10 months ago | 0

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