Answered
Speed and Refractive index of signal propegation
Propagation of signals depend upon a lot of factors, refer to the following documentation. However the refractive index of a bui...

4 years ago | 0

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Answered
Segmentation of Collarbone in CT - volume
Hi Alba, I am aware of one method i.e when you know the location of points for the region of interest (i.e. collar bone) you ca...

4 years ago | 0

Answered
Finding pairs in an array of points.
Hi Joshua, You can refer to the dsearchn function in MATLAB. Include x,y pair of data from both sets to make data points, then ...

4 years ago | 0

Answered
OQPSK, MSK and GMSK in communication system
Hi, Kindly go through the following links it may not entirely solve your problem directly but give you some general idea to get...

4 years ago | 0

Answered
Time series forecasting using LSTM with multiple time series of the same type
Yes you can retrain the already trained network on new data (provided your data and prediction are of same data type, the length...

4 years ago | 0

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Answered
Factor Analysis by Principal Component Method
PCA estimation in MATLAB is presently supported in two methods: First one is in estimation the illumination of the scene in RGB...

4 years ago | 0

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Answered
Feature extraction, training and testing
There is no need for feature extraction while using a neural network. Neural networks themselves compute the required features w...

4 years ago | 0

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Answered
How to increase the number of samples for training?
I think you can simply crop and save one lesion at a time. This will give you increased no of samples. Also you can use data aug...

4 years ago | 0

Answered
Deep Learning and Simulink
This can be done by adding a MATLAB function block to simulink model and inside that function block writing the implemenatation ...

4 years ago | 0

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How to Collect The Time Calculated By (Tic& Toc) at each instant to Solve an Optimisation Problem in a Simulink model ?
I think inside the matlab function block you should run the loop for at least 1000 times to get a better estimate of avg time pe...

4 years ago | 0

Answered
Can a convolutional neural network or an autoencoder deal with an input of complex values (complex numbers instead of real numbers)?
Complex numbers are not directly supported in MATLAB for CNN, autoencoders, SVM etc therefore they are converted into 2D real da...

4 years ago | 1

Answered
How can I use multithreading in Matlab?
Hi, there are two for loops in the above code. The way MATLAB multi-threading works in case of for loops is it checks for loops ...

4 years ago | 0

Answered
how can i use funtion of Nonlinear Least Squares (Curve Fitting)
Kindly go through the following documentation to see methods to solve for non-linear least squares https://in.mathworks.com/hel...

4 years ago | 1

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Answered
Actual numeric convolution example with strides and padding using convolution2dlayer command
Hi, go through the following code input = randi(10,10,10); %creating a random input 2-d array layer=imageInputLayer([10...

4 years ago | 0

Answered
How to fill in the missing dates along with NaN values in an input data format text file?
Go through the following links to see how to fill in missing dates as well as missing data. https://www.mathworks.com/matlabcen...

4 years ago | 0

Answered
Can you help me to understand M-FSK, and how I can implement it?
Refer to the following links In Simulink: https://www.mathworks.com/help/comm/ref/mfskmodulatorbaseband.html ...

4 years ago | 0

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Answered
How do the multiclass SVM model function 'fitcecoc' work?
Kindly go through the documentation of fitcecoc and go through the sub sections Coding Design and Error Correcting Output Codes...

4 years ago | 0

Answered
find valleys of one peak
To get the mean of values as shown in plot you need to know for what is the range of x. For eg let us assume you need to know th...

4 years ago | 0

Answered
Best machine learning model to predict times series from initial conditions
Hi Giacomo, For time series forecasting use ARIMA or NARX algorithm. For time series prediction use LSTM or RNN algorithm. Ho...

4 years ago | 1

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Answered
Where is Naive Bayes in classification learner?
Hi Zeynab, After importing the data to be trained Naive Bayes Classifier can be found by clicking on the down arrow button righ...

4 years ago | 1

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Answered
Calling a C++ function from a shared library .so file
Hi, In simulink we can call C++ shared library functions using S-functions. Let main s-function file be main.cpp and shared lib...

4 years ago | 0

Answered
How to set the boundary conditions of 3D Poisson Equation
Hi Anthony I think you have wrongly defined the top and bottom planes.A plane is a 2-D sheet structure however the line of code ...

4 years ago | 0

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Answered
Unable to find explixit solution dsolve
Yes MATLAB is unable to find explicit solution for this system of ODE.

4 years ago | 0

Answered
Matlab C++ Wrapper
Hi, Below I have attached an example of how to call external C++ Code in simulink using S-functions. Hope it helps. To read mo...

4 years ago | 1

Answered
What is the difference in goal between C Caller and C Mex ?
There is no difference in goal between C Caller and S-functions. Both are used to call C code in simulink. However they differ i...

4 years ago | 2

Answered
code to implement continuous least square
Hi, Kindly go through the following doc on methods to solve linear least squares problem using matlab without using polyfit. h...

4 years ago | 0

Answered
Binary classification using SVM or ANN?
For Binary classification use SVM as it will be more efficient computationally. Try the following commands to train and classify...

4 years ago | 0

Answered
Using wcompress in Matlab
Hi Rhania, There could be one of multiple reasons for the above error. The variable or function definition of "Encoded_wtbx_D...

5 years ago | 0

Answered
code a fractional ODE's ( caputo derivative ) using the finite difference method
Kindly go through the following links https://www.mathworks.com/matlabcentral/fileexchange/39961-finite-difference-methods-in-m...

5 years ago | 0

Answered
integration equvilants for diff() and dsolve()?
Hi jg, As diff is used for differentiataion, similarly the command int is used for integration. As for dsolve it solves for a s...

5 years ago | 0