NN
Last seen: Today
85 total contributions since 2019
NN's Badges
Provide your first answer ever to someone else's question
Awarded to NN on 12 Sep 2020
Accept 5 answers given by other contributors
Awarded to NN on 06 Sep 2020
Download any 10 unique submissions
Awarded to NN on 01 Nov 2019
Publish your first comment or rating
Awarded to NN on 09 Oct 2019
Question
Undefined operator './' for input arguments of type 'cell'.
Hi , i am using the below command and getting the error: date_num2 = datenum(testdates)+table2array(Data(1:end,2))./24; ...
15 minutes ago | 0 answers | 0
0
answersQuestion
importance of weights in optimization
Hi, This code written below is taken from matlab example , https://ww2.mathworks.cn/matlabcentral/fileexchange/73139-microgri...
1 day ago | 0 answers | 0
0
answersQuestion
matlab optimisation problem _ constraint
Hi, this is a code from matlab optimisation problem given in the below link https://www.mathworks.com/matlabcentral/filee...
3 days ago | 1 answer | 0
1
answerQuestion
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
11 days ago | 0 answers | 0
0
answersQuestion
Algebraic loop problem _Simulink
hi Kindly advice how can i solve algebraic loop problem. Simulink cannot solve the algebraic loop containing 'march0604/Sub...
16 days ago | 0 answers | 0
0
answersQuestion
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...
16 days ago | 1 answer | 0
1
answerQuestion
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...
22 days ago | 0 answers | 0
0
answersQuestion
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...
1 month ago | 0 answers | 0
0
answersQuestion
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...
1 month ago | 1 answer | 0
1
answerQuestion
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...
2 months ago | 0 answers | 0
0
answersQuestion
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...
2 months ago | 0 answers | 0
0
answersQuestion
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...
2 months ago | 0 answers | 0
0
answersQuestion
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...
2 months ago | 2 answers | 0
2
answersQuestion
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...
2 months ago | 1 answer | 0
1
answerQuestion
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 months ago | 1 answer | 0
1
answerQuestion
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 months ago | 0 answers | 0
0
answersQuestion
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...
3 months ago | 1 answer | 0
1
answerQuestion
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 months ago | 1 answer | 0
1
answerQuestion
NPN Bipolar Transistor Characteristics
In the matlab example , NPN Bipolar Transistor Characteristics https://www.mathworks.com/help/physmod/sps/ug/npn-bipolar-trans...
3 months ago | 1 answer | 0
1
answerQuestion
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 months ago | 0 answers | 0
0
answersQuestion
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 months ago | 0 answers | 0
0
answersQuestion
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 months ago | 1 answer | 0
1
answerQuestion
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 months ago | 0 answers | 0
0
answersQuestion
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 months ago | 0 answers | 0
0
answersQuestion
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 months ago | 0 answers | 0
0
answersQuestion
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 months ago | 0 answers | 0
0
answersQuestion
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...
4 months ago | 0 answers | 0
0
answersQuestion
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://...
4 months ago | 0 answers | 0
0
answersQuestion
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 months ago | 1 answer | 0
1
answerQuestion
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 months ago | 1 answer | 0
1
answer
Select a Web Site
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
Select web siteYou can also select a web site from the following list:
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)