Pratyush Roy
MathWorks
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I am an Application Support Engineer at MathWorks.
My responsibility is to provide the best support for an application like ML, Image Processing, Signal Processing.
Disclaimer: Any articles/idea/opinions here are my own and in no way reflect that of MathWorks.
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Answer 10 questions that were unanswered for more than 30 days
Awarded to Pratyush Roy on 30 Mar 2021
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Awarded to Pratyush Roy on 15 Feb 2021
Contribute at least one answer each month for 6 consecutive months
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Feeds
B-H curve
Hi Ananta, The links provided below might be helpful to understand how to plot B-H curve in MATLAB: https://in.mathworks.com/h...
nästan 3 år ago | 0
Thermoelectric generator in Simulink
Hi Mughees, Although there are no dedicated blocks in Simulink for Depth-to-Temperature conversion and modelling TEG, the block...
nästan 3 år ago | 1
| accepted
Error with pdeCoefficient PDE toolbox
Hi Edoardo, As a workaround, you can try removing the equality operator and express the equations as a function of the variable...
nästan 3 år ago | 0
pilot's matrix wrong dimension error , using ofdmmod function
Hi Igor, As per my understanding, the matrix with pilot subcarriers is gnerating an error while performing the OFDM modulation....
nästan 3 år ago | 0
Why do I get a straight line in scope?
Hi Muthukumar, As per my understanding, the Simulink model is generating straight line in scope instead of showing a non-zero ...
nästan 3 år ago | 0
| accepted
upfirdn increases number of samples
Hi William, As per my understanding, the output sequence after appyling the bandpass filter has a length different from that of...
nästan 3 år ago | 0
| accepted
How could I create a sliding window of 300ms, with an overlap of 50ms?
Hi JJyh, You can extract the data from individual windows and store them in a cell array. The following code might be helpful t...
nästan 3 år ago | 1
| accepted
Why does dlquantizer not recognize my GPU?
Hi John, As per my understanding, you are unable to run the calibrate method for the dlquantizer object, although you have a GP...
nästan 3 år ago | 0
PLC ladder diagram error, how do I solve this? Do I need to add on any extra coding for system to understand
Hi Jai, As per my understanding, you want to implement ladder logic by creating the ladder diagram using the plcladderlib block...
nästan 3 år ago | 0
STFT result - what is the amplitude?
Hi Przemyslaw, STFT is different from FFT since the former tries to answer what frequency component is present in a sginal and ...
nästan 3 år ago | 0
TD3 error message for using ltsm layer in Neural Network
Hi Francesco, The input format for the data which is passed to an lstmLayer can be either CBT (channel, batch, time), SCBT(spat...
nästan 3 år ago | 0
| accepted
How to use Kalman Filter for finding displacement on 2nd order mass spring damper system
Hi Arda, The function trackingKF can be used for tracking using a linear Kalman Filter. The two-body mass spring system equati...
nästan 3 år ago | 1
odeset ode15s tolerance
Hi Pietro, The MATLAB Answers links mentioned below might be helpful: https://in.mathworks.com/matlabcentral/answers/34237-abs...
nästan 3 år ago | 0
Matlab install, unable to connect to Mathworks.
Hi Junhyeok, This MATLAB Answers link might be helpful to resolve the issue. Hope this helps!
nästan 3 år ago | 0
how can i input data to CNN in sequence input layer
Hi Neethu, You are correct to mention that we can pass multidimensional data as cell array to sequenceInputLayer. As mentioned...
nästan 3 år ago | 0
MATLAB crashing when working with a figure window
Hi Nerijus, This MATLAB Answers link might be helpful. Hope this helps!
nästan 3 år ago | 0
How to use multiple data in LSTM?
Hi Daerno. The example mentioned in the question is used for finding temporal relation between 1-D input and 1 dimensional outp...
nästan 3 år ago | 0
| accepted
Check for dependencies and download required toolbox
Hi Daniel, To check whether the person has the toolbox installed, the ver command can be used which shows the list of installed...
nästan 3 år ago | 1
Unseen file .MatlabDriveTag is seen
Hi Ryan, The MATLABDriveTag files allow us to track offline folder moves meaning we can reconstruct folder operations that occu...
nästan 3 år ago | 1
| accepted
Simscape Multibody script Matlab
Hi Rosario, This documentation link might be helpful to understand how to write scripts for Simscape-based models and their un...
nästan 3 år ago | 0
| accepted
I am running ode15s solver but I get an error " Failure at t=1.576194e-08. Unable to meet integration tolerances without reducing the step size " How can I solve this error?
Hi Abhirup, It is useful to set the absolute and relative tolerances to a higher value to avoid this warning. In case of sharp ...
nästan 3 år ago | 0
data normalization in transfer learning
Hi, A lot of the input layers for pretrained networks (e.g. say ResNet-50) have the normalization parameters stored in the imag...
nästan 3 år ago | 0
| accepted
Simscape block missing source code
Hi Joris, One can generate C/RTL code for the block using coders available and get the logic from there. This link might be hel...
nästan 3 år ago | 0
Simscape Block Parameter not Tunable
Hi Matthew, Simscape run-time parameters are run-to-run tunable. Therefore, for Dashboard blocks linked to Simscape blocks, cha...
nästan 3 år ago | 0
| accepted
How Datepicker limits can be changed in App Designer?
Hi Rainier, The DatePicker Limits are applied to the app when 'Limits' option under the Inspector Window are changed. All the d...
nästan 3 år ago | 0
| accepted
What do I do wrong when using the stepplot command?
Hi Nico, Although it might seem like the step response for gain values do not approach the steady state value of 1, this might ...
nästan 3 år ago | 0
| accepted
hi. i have build a circuit at simulink. but how can i change the given frequency value?
Hi Daarshini, The rate is actually the reciprocal of the absolute value of the difference in the times (x-axis) between cursor ...
nästan 3 år ago | 0
GPU Coder won't accept ACF Object Detector model
Hi John, Currently we are not supporting the feature for Code Generation for the ACF Detector Function. The error shows up sinc...
nästan 3 år ago | 0
| accepted
How to make tasks for lives editor.
Hi Changhyun, Currently we are not supporting the feature for adding customized live tasks to a MATLAB Live Script. I have brou...
nästan 3 år ago | 0
Cross-correlation(xcorr2) on image matrix
Hi Pierluigi, 2D cross-correlation is not a commutative operation unlike 2D convolution which is a commutative operation. The ...
nästan 3 år ago | 0
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