Question


Algebraic loop problem _Simulink
hi Kindly advice how can i solve algebraic loop problem. Simulink cannot solve the algebraic loop containing 'march0604/Sub...

4 mois ago | 0 answers | 0

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Question


how can i convert Principal component analysis(PCA) data back to original data ?
Hi all, i used the below code to reduce dimension suing PCA in steps, and how can i convert the output back to original data s...

4 mois ago | 1 answer | 0

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Question


Losses in forecasting _cosine similarity class ,mean square logarithmic error , and huber class
How can i write the code for calculating cosine similarity class ,mean square logarithmic error , and huber class in matlab cod...

4 mois ago | 0 answers | 0

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initial SoC values _Matlab example
Hi, In the Matlab example https://www.mathworks.com/help/physmod/sps/ug/24-hour-simulation-of-a-vehicle-to-grid-v2g-system.html...

4 mois ago | 0 answers | 0

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Question


Unable to change the date in .fig
Hi , i use this below code and not able to change the date from Dec 31 1899. .Fig image is attached.I would like to change the d...

5 mois ago | 1 answer | 0

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Question


Matlab example file _SoC calculation
In the matlab example, https://www.mathworks.com/help/physmod/sps/ug/24-hour-simulation-of-a-vehicle-to-grid-v2g-system.html...

5 mois ago | 0 answers | 0

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Question


Matlab look up table
Hi , i want to give the data of 50 vehicle's SoC (%) to look up table in simulink instead of varying 24 values of one SoC over...

5 mois ago | 0 answers | 0

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Question


Matlab LOOK up Table
I have 50 data points and i have imported these 50 data points from matlab to look up table,and has given 50 breakpoints.i am si...

5 mois ago | 0 answers | 0

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Question


What is the difference between Optimproblem and linprog
Please help, The below syntax creates a linear optimisation problem ? prob = optimproblem What is the difference of this abo...

5 mois ago | 2 answers | 0

2

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Question


How battery energy is calculated in Microgrid Energy Management System (EMS) using Optimization
Can some one please explain how the battery energy is calcuated in the matlab example file, https://www.mathworks.com/matlabcen...

5 mois ago | 1 answer | 0

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Question


Plot data against time
Hi, Kindly help to plot this workspace data , first column is formatted date and secnd column data against the date:Original da...

6 mois ago | 1 answer | 0

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Question


how can I initialize two diesel generators in parallel in MATLAB ?
As detailed in the link below:, can i connect two diesel generators connected in parallel sharing load?What chaneg should i make...

6 mois ago | 0 answers | 0

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Question


How can i plot two columns in different colors in MATLAB
can someone suggest me how to plot 2nd and 3 rd column in x axis in differnt colors as scatter plot against the 1st column...

6 mois ago | 1 answer | 0

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Question


Convert date from number to format in matllab
I have original time and date format as mentioned below: 2/17/2020 9:48:18 AM I did forecasting using this , and after foreca...

6 mois ago | 1 answer | 0

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Question


NPN Bipolar Transistor Characteristics
In the matlab example , NPN Bipolar Transistor Characteristics https://www.mathworks.com/help/physmod/sps/ug/npn-bipolar-trans...

7 mois ago | 1 answer | 0

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Question


Importing data rom matlab to simulink
Hi , When i import time series data from matlab to simulink,it appears as individual data not as corresponding to time.(image ...

7 mois ago | 0 answers | 0

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answers

Question


Please advice how to convert date array to seconds format
here by attaching date formats and their respective code, kindly advice how can i convert it to seconds form as attached.. ...

7 mois ago | 0 answers | 0

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Question


What does the "X/R ratio " checkbox signify in the Three-Phase Source block in SimPowerSystems?
What does the "X/R ratio " checkbox signify in the Three-Phase Source block in SimPowerSystems? By default it is 7, what is its...

7 mois ago | 1 answer | 0

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Question


Load flow and machine initialization are not working
Hi, In this below example, https://www.mathworks.com/help/physmod/sps/ug/emergency-diesel-generator-and-asynchronous-motor.h...

7 mois ago | 0 answers | 0

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synchronous machine _maximum power capacity
Synchronous machine -Swing bus -3.125MVA , active power =0 is initialised and connected to resistive load 2.5MW.It generates 2....

7 mois ago | 0 answers | 0

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Question


Machine initialization_Diesel generator
Hi, I want to model an islanded microgrid concept with diesel generator with loads, so after doing load flow/machine initializ...

7 mois ago | 0 answers | 0

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Question


Doubt regarding the example 'Emergency Diesel-Generator and Asynchronous Motor'
In the matlab example below, https://www.mathworks.com/help/physmod/sps/ug/emergency-diesel-generator-and-asynchronous-motor.ht...

7 mois ago | 0 answers | 0

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Question


Simulink_PV block not working if not grid connected
I used P V models from the example microgrid library.slx which i downloaded from resources file of mathworks example 'https://...

7 mois ago | 0 answers | 0

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Appropriate data structure for using predictand update state for LSTM
Hello I am trying to fit a LSTM network for forecast time series data using using the example on this help-page i.e with the t...

8 mois ago | 1 answer | 0

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Question


subtract two matrices of sizes [1*5] and [3*5]
I need to subtract m from y , m= [1 2 3 4 5 ] y=[ 10 11 12 13 14 9 8 7 6 5 15 16 17 18...

8 mois ago | 1 answer | 0

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Question


To find the rows of data that have the same minimum and maximum values, and remove the rows.
I need to remove the rows that have same minimum and maximum values , below is the code used . but it gives error: Unable to p...

8 mois ago | 0 answers | 0

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Question


stacked LSTm Code for time series forecasting
Can anyone guide me how to write code for stacked lstm in the below code: layers = [ ... sequenceInputLayer(numFeatures) ...

8 mois ago | 3 answers | 0

3

answers

Question


normalisation and reverse process _Forecasting _mean standard deviation
I am getting different rmse value for forecasted value for almost similar look plots. please check the attached plot . First o...

8 mois ago | 1 answer | 0

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Question


normalising and reverse normalising data
For forecasting , I normalised the data before training for test and train data , then when i plot the rmse , i get rmse 0.2.bu...

8 mois ago | 1 answer | 0

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Question


Regression learner error in matlab code
When i use yfit = trainedModel.predictFcn(cartable) to test for Test data using regression learner , i am getting the below e...

8 mois ago | 0 answers | 0

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