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Roshni Garnayak


MathWorks

27 total contributions since 2019

I am an Application Support Engineer at MathWorks India Pvt Ltd. My domains of interest are Signal Processing and Communication Systems.

DISCLAIMER: The advice and opinions I post are solely my own and do not reflect the Mathworks organization in any way.

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Answered
How to transfer output data from one simulation to another as its initial condition
You can try using “Model Callbacks” for implementing this. Set the simulation time for the first model as 100 seconds. Use...

1 month ago | 1

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Answered
Solve equation for symbolic function
In this example, the solution doesn’t depend on t. It’s just a representation, so you can use any symbol. Hence, a can be used i...

1 month ago | 1

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Answered
Fractional order system state space
Presently MATLAB doesn’t support the representation of fractional order state space models.

1 month ago | 0

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How can I load multiband satellite .TIF image (consisting of 4 bands) in image labeler for labeling the pixel?
Try loading another small (few MB) .TIF image and see if you are able to view it. In case you can’t then reinstall the Image Lab...

1 month ago | 0

Answered
Issue with Sigmoidnet function input
x is an m-dimensional row vector representing the regressors and r is the mean of the regressors x. To understand the structure ...

1 month ago | 1

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Threshold For confidance for score of RCNN Detector
Yes, it is possible to display only those bounding boxes which are above a certain threshold score. Refer to the following examp...

1 month ago | 0

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anyway to close cftool programmatically
You can use the following piece of code for closing “cftool”: h = getappdata( groot, 'SurfaceFittingToolHandle' ); clearSess...

1 month ago | 0

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Answered
Daq device not found on Simulink
Try running MATLAB in “Administrator” mode. Simulink may not be able to access the device if it is not successfully registered, ...

1 month ago | 0

Answered
Simulink Test harness for component inside a masked subsystem doesn't resolver parameters
To prevent synchronization of the model and the harness, you can use “SyncOnPushRebuildOnly” synchronization mode. The block and...

1 month ago | 0

Answered
newton raphson method matlab
There is no built-in function in MATLAB for solving systems of nonlinear equations using the Newton Raphson method. The foll...

1 month ago | 0

Answered
Script to solve ODEs with two variables: cB and t. (solution included, just cannot write script)
The following code can be used to solve the ODE: t0 = 0; tf = 30; tspan = [t0 tf]; % Specifies the range of variable t ...

1 month ago | 0

Answered
Simscape Custom Models and Components
There is no functionality to directly create a ssc-file. So you should use the "Save as" function in MATLAB and change the file ...

1 month ago | 0

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Answered
PDEPE Solver: implement boundary condition with time derivative
As of now boundary conditions of these form are not supported by ‘pdepe’ function.

2 months ago | 0

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Method behind eig()?
The algorithms used for computing generalized eigenvalues of a pair are Cholesky factorization or QZ algorithm (generalized Schu...

2 months ago | 0

Answered
1000 non virtual blocks exceeded
If you notice, the error says: “Number of blocks in the block diagram 'IntegratedPlant' and all models it references exceeds the...

2 months ago | 0

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I want to know if it is possible to get displacement data out of the orientation data in the form of a quaternion?
Integrating the acceleration data two times will also integrate the measurement errors that occur in the accelerometer and gyros...

2 months ago | 0

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Answered
Thermocouple measurement in Simulink Desktop Real-time using National Instrument devices
Simulink supports NI 9211 and NI cDAQ-9174 for versions R2016b and above. To get a list of National Instruments hardware supp...

2 months ago | 0

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Answered
Can I implement a controller that uses an external physical device to control the simscape physical model motion?
To include an external device to your Simscape model, you need to use hardware-in-loop (HIL) simulation. This is possible by con...

2 months ago | 0

Answered
vpasolve and independent equations
‘vpasolve’ solves algebraic equations using numerical methods whereas ‘solve’ solves the equations symbolically. If possible, so...

2 months ago | 0

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Answered
How do I export data from the embedded code?
Set the following parameters under ‘Model Configuration Parameters’ (gear button available in the toolbar): Code Generation ->...

2 months ago | 0

Answered
Organizing different plots of main effects plot (DOE) for different response variables inside the same Figure window.
The “maineffectsplot” creates subplots depending on the number od ‘GROUP’ variables. Since it creates handles for the subplots, ...

2 months ago | 0

Answered
solve the riccati equations in matlab
You can use the following command to solve your equation: [X,K,L] = idare(A,B,W,U,[],[]); The equation provided in the documen...

2 months ago | 0

Answered
Regeneration of signal using different Intrinsic Mode Function Components.
The original signal is the sum of Intrinsic Mode Functions (IMFs) and the last residue (): To obtain accurate results, the ...

2 months ago | 0

Answered
About interp1 function
The interp1 function performs 1D interpolation and computes one y-value for the corresponding x-value. Due to this only one poin...

3 months ago | 0

Answered
binning data and mapping
You can use the binscatter function to create a binned scatter plot. binscatter(latidx , longidx ,[5 5]); A binned scatter pl...

3 months ago | 0

Answered
Optical Flow in Single Video Frame
In the example (https://www.mathworks.com/help/vision/ref/opticalflowlk.html), an optical flow object has been created using the...

3 months ago | 0

Answered
Save Figure in workspace
You can use the following lines of code to save the figure to workspace and set the desired resolution: f= frame2im(getframe(gc...

3 months ago | 0