Question

Coefficient of determination , R2 from actual and predicted data

How can i find the Coefficient of determination , R2 from predicted and actual data ? How can i write matlab code for that

7 dagar ago | 0 answers | 0

Question

Algebraic loop problem _Simulink

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

11 dagar ago | 0 answers | 0

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...

12 dagar ago | 0 answers | 0

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...

18 dagar ago | 0 answers | 0

Question

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...

26 dagar ago | 0 answers | 0

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...

ungefär en månad ago | 1 answer | 0

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...

ungefär en månad ago | 0 answers | 0

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...

ungefär 2 månader ago | 0 answers | 0

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...

ungefär 2 månader ago | 0 answers | 0

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...

ungefär 2 månader ago | 2 answers | 0

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...

ungefär 2 månader ago | 1 answer | 0

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...

2 månader ago | 1 answer | 0

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...

2 månader ago | 0 answers | 0

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...

2 månader ago | 1 answer | 0

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...

3 månader ago | 1 answer | 0

Question

NPN Bipolar Transistor Characteristics

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

3 månader ago | 1 answer | 0

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 ...

3 månader ago | 0 answers | 0

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.. ...

3 månader ago | 0 answers | 0

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...

3 månader ago | 1 answer | 0

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...

3 månader ago | 0 answers | 0

Question

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....

3 månader ago | 0 answers | 0

Question

Power generated by Diesel Generator _Clarification

Hi With respect to the Matlab example , https://www.mathworks.com/help/physmod/sps/ug/24-hour-simulation-of-a-vehicle-to-grid...

3 månader ago | 0 answers | 0

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...

3 månader ago | 0 answers | 0

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...

3 månader ago | 0 answers | 0

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://...

3 månader ago | 0 answers | 0

Question

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...

4 månader ago | 1 answer | 0

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...

4 månader ago | 1 answer | 0

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...

4 månader ago | 0 answers | 0

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) ...

4 månader ago | 2 answers | 0

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...

4 månader ago | 1 answer | 0