# Mustafa Al-Nasser

Last seen: 10 dagen ago Active since 2017

Followers: 0   Following: 0

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How to use PRBS signal to identify first order transfer parameters
Dear All; one of the common way to identify process model parameters is use to step test which is easy way to do but how can ca...

9 maanden ago | 1 answer | 0

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Question

Cross Correlation lag issue
Dear Team; i am conducting cross correlation between two signals using the following code but i am alwyas get the lag at which ...

meer dan een jaar ago | 1 answer | 0

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support vector regression - Coefficient of Determination
Dear All; how I can find Coefficient of Determination for SVR in matlab? is there any command for that ,l do i need to do it ...

bijna 2 jaar ago | 1 answer | 0

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Question

why covariance matrix Should be positive and symmetric in mahalanobis distance
Dear All; i am trying to use mahalanobis distance in pdist command but some time i got the error that covariance matrix should ...

bijna 2 jaar ago | 1 answer | 0

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Question

Fourier Series Fitting using Fit function
Dear All; There is a command to fit different fucntion to data , this command called "Fit" which is also used to fit data to f...

meer dan 2 jaar ago | 1 answer | 0

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Question

Find Best Distribution fit for data
Dear All; is there any function in MATLAB that can find evaulate different distribution fits ? I do not know which is the best...

meer dan 2 jaar ago | 1 answer | 0

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Signal Fluctuation Modelling issues
Dear All; if have a long signal with a of a lot of fluctuation , what is the best way to model this signal

bijna 3 jaar ago | 0 answers | 0

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Question

find probability of chi2 test
Dear all; if i want to perfrom a hypothesis test for chi2 distrubtion , how can i do it in matlab : P(X>a)= alpha

ongeveer 3 jaar ago | 2 answers | 0

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Question

Determine Type of noise in a signal?
Dear All; i have a signal contaminated with noise is there any way to determine the type of noise?

meer dan 3 jaar ago | 1 answer | 0

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Question

Power spectrum estimator -filter bank method
Dear All; I am trying to estimate the power spectrum of the attached signal but i am not getting the meaningfull spectrum as sh...

meer dan 3 jaar ago | 0 answers | 0

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Question

import data from mat file to simulink issue
Dear All; when i save data generated by matlab and save it in MAT file but when i load into simulink , i found it totally diffe...

meer dan 3 jaar ago | 1 answer | 0

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Question

How to add a trial toolbox to matlab online?
Hello everyone, i have downloaded a trial toolbox (Fuzzy logic toolbox) to my matlab, but i couldn't find it in te online ver...

meer dan 3 jaar ago | 1 answer | 0

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Question

How to build a Stochastic Regression Model
Dear All; As you know , we usually use linear regression to build a model that describe the relationship between varaible . ...

meer dan 3 jaar ago | 0 answers | 0

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Question

What is the type of PID controller in MATLAB, position or velocity form?
Dear All What is the type of PID controller in MATLAB, position or velocity form? how can i convert between them? Best Re...

meer dan 3 jaar ago | 1 answer | 0

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Question

PID Tuning - Velocity Form
Dear All; PID Velocity Form is more common in industry than positional form in matalb tuning tool , i could not find this opt...

meer dan 3 jaar ago | 1 answer | 0

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Question

variable changes when reading it from user gui
Hello, I'm writing a software that needs to read some data from a code file, pass it to a user window where the user can change...

meer dan 3 jaar ago | 1 answer | 0

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Question

fit data to distribution issue
Dear All; I am trying to fit data to a normal distribution and plot pdf but pdf plot shows several lines , i do not know why it...

bijna 4 jaar ago | 1 answer | 0

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Question

connect matlab to azure cloud to program in parallel
Hello everone, I'm using azure cloud and I'm about to connect matlab to that. my question is it possible to connect the code...

bijna 4 jaar ago | 1 answer | 0

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Question

connect matlab to the cloud
Hello, I'm about to start using cloud services (mostly microsoft azure) and i was wondering if there is a way to connect matla...

bijna 4 jaar ago | 1 answer | 0

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Question

estimate time delay in process transfer function
Dear All; I have input and output data . I am trying to estimate a first order transfer function plus time delay. I use procest...

bijna 4 jaar ago | 0 answers | 0

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Question

neural network auto hyper parameters optimization
Dear All; How can auto tune the hyperparameters of neural network used for classfication Best Regards;

meer dan 4 jaar ago | 1 answer | 0

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Question

Time series prediction using LSTM
Dear All; I am trying to build an LSTM model to prodict the repsone of time series (deterministic) but the result is not good a...

meer dan 4 jaar ago | 2 answers | 0

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Question

Prediction of increasing functions
Dear All; How can we do prediction for an increasing function (e.g. exponential) i have tried LSTM and others but it can pred...

meer dan 4 jaar ago | 0 answers | 0

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Question

NARX with multiple Inputs
Dear All; I am trying use NARX for time series prediction, the problem that i have multiple inputs and i receiving the follow...

meer dan 4 jaar ago | 0 answers | 0

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Question

Calculate miss classification percentage
Dear All; if i need to calcuate misclassification percentage for each class, usually i looked to confusion matrix but i have a ...

bijna 5 jaar ago | 1 answer | 0

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Question

Neural Network - R value equal 1- Over-fitting or not?
Dear All; I built a neural network model for regression as shown below but I got an R value equal 0.99998 which is almost 1. D...

bijna 5 jaar ago | 1 answer | 0

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Question

Data Partition using CVPartition_ Warning
Dear All; i am trying to use divide my data using Cvpartition with "Kfold" option in order to use for cross valdtion in neural ...

bijna 5 jaar ago | 1 answer | 0

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Question

cross validation in neural network using K-fold
Dear All; i am using neural network for classification but i need to use instead of holdout option , K-fold. i use cvparatitio...

bijna 5 jaar ago | 1 answer | 0

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Question

How to insert neural network model as an objective function in pattern search
Dear All; I built a neural network model and i want to use pattern search to determine the set of input that give the optimal...

ongeveer 5 jaar ago | 0 answers | 0