# Jaynik

Last seen: 2 days ago Active since 2023

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Answered
How to Simulate Nonlinear Model Discrete Time?
Hi, The ode45 function is used for solving ordinary differential equations (ODEs) and it is typically used for continuous-time ...

8 days ago | 0

Answered
What's the difference between a random walk, AR(1) or a white noise process?
Hi, A random walk is a time series model where each current term is the sum of the previous term and a random error. An AR(1) p...

9 days ago | 0

Answered
find the variance of autocorrelation function
Hi Chithralekha, The two pieces of code are not equivalent, and that is why they are producing different results. In first piec...

13 days ago | 0

Answered
How do I get a 0 value time series data, given the range of another variable
Hi, The error message indicates that the number of dates must match the number of rows of observations when creating a new time...

14 days ago | 0

Answered
Estimate an AR(1) model with intercept for time series yt using the LS method
Hi, We can use the ar function in the "System Identification Toolbox", for estimating autoregressive models directly. Following...

14 days ago | 0

Answered
fitglm for multi-dimensional/time series data
Hi Niko, The fitglm function in MATLAB is designed to work with univariate response variables. For multivariate response variab...

14 days ago | 0

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How to forecast a multi step ahead time series?
Hi Atreyee, The predict function from the "System Identificatoin Toolbox" can be used to perform multi-step ahead forecasting. ...

14 days ago | 0

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Simple Binary Series prediction
Hi, One method for simple binary series is using Autoregressive Integrated Moving Average (ARIMA) models, which are often used ...

18 days ago | 0

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Spectral Analysis with fft
Hi Frank, The code seems correct as you have correctly implemented the theoretical autocovariance function of an AR(1) process ...

19 days ago | 0

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I would like to extract a representative pattern from a univariate time series data set
Hi Deepak, A Hidden Markov Model (HMM) is a model in which you observe a sequence of emissions, but do not know the sequence of...

20 days ago | 0

Answered
Time series - How to use a loop
Hi, You can do the following to automate a for loop instead of writing manual code for each year: a=1; b=1; sigma_white_nois...

21 days ago | 0

Answered
How to find the RMSE.. !
Hi Sophia, The Root Mean Square Error (RMSE) is a measure of how well your model's predictions match the actual data. It is cal...

22 days ago | 0

Answered
How to get chaos features from a set of signals to build a ML classifier based on it?
Hi Mahmoud, The hht function can be used in MATLAB to obtain the Hilbert-Huang Transform. You will need to give the intrinsic m...

22 days ago | 0

Answered
Averaging time series for a season
Hi, You can follow a similar approach to the one you used for the annual mean. Instead of averaging over all 12 months, you wil...

22 days ago | 0

Answered
Calculate Inflation rate (yearly, quarterly)
Hi Gustav, The approach to calculate the inflation rate based on the Consumer Price Index is correct. The inflation rate is typ...

23 days ago | 0

Answered
how to generate error terms for idploy or ARMAX models
Hi Kushan, In the context of an ARMAX model, the terms in the equation are the residuals of the model, that is, the differences...

23 days ago | 0

Answered
Create a time series collection from two timeseries with different TimeInfo Vector
Hi, The error message suggests that the time vectors of the two timeseries objects are not identical. In MATLAB, the time vecto...

23 days ago | 0

Answered
How to change plotting options in deep learning networks?
Hi, There is no direct way to remove the smoothed training accuracy curve from the graph. If possible, you can upgrade MATLAB a...

1 month ago | 0

Answered
How to design your own input signal characteristics in Simulink?
Hi Savi, In Simulink, you can design a source noise signal using the Noise block. This block allows you to model noise as an id...

1 month ago | 0

Answered
Using fitcdiscr without feature normality
Hi João, You can still use fitcdiscr even if your features do not follow a Gaussian distribution. It is assumed that the data f...

1 month ago | 0

Answered
Multiple language on custom tab
Hi Suraj, One workaround is to create a JSON file for each language you want to support. Create the JSON with translated string...

1 month ago | 0

Answered
Fints - extract x years historical prices
Hi, Since R2018a, 'fints' has been replaced with 'timetable' which can be used directly as table. Here is a sample code to ge...

1 month ago | 0

Answered
Automated bad SEGMENT detection in EEGLAB
Hi Madhura, EEGLAB provides tools for automated detection of bad channels and artifact detection/rejection using ICLabel, the f...

1 month ago | 0

Answered
Why the errors are varies?
Hi Zaheer, AS per my understanding, the errors are getting generated due to the following: Qdt is undefined: You are using Qdt...

1 month ago | 0

Answered
Plot 2D electric field strength over distance (finite difference method)
Hi Even, The electric field strength can be approximated by the gradient of the voltage with respect to distance. Here is a sam...

1 month ago | 0

Answered
implicit Differentiation in MATLAB
Hi, We can perform the implicit differentiation for the given equation using MATLAB as follows: syms y; f = @(x) cos(x/y) - s...

2 months ago | 0

Answered
Duplicate instances of methods executed while using parfeval and backgroundpool
Hi Harish, Before setting up a new listener with afterEach, ensure that any previous listeners are removed. This can be done by...

2 months ago | 1

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Answered
How to use imregister
Hi Stelios, To align your DICOM images using imregister in MATLAB, you can follow these steps: Use dicomread to load each of y...

2 months ago | 0

Answered
Is Image Labeler App a good choice for Labelling unlabeled data?
Hi Kalhara, The Image Labeler app is indeed a good choice for labeling unlabeled data. It provides an easy way to interactively...

2 months ago | 1

| accepted

Answered
Multiplot Legend Item remains after line visible property put to "off"
Hi Jason, Instead of just using the Visible property, you can set the IconDisplayStyle property of the Annotation object to 'of...

2 months ago | 0

| accepted