Question

Principal Component Analysis (PCA) in matlab

Hi, I am trying to do neural network forecasting of data and i would like to apply PCA to the input data (both testing and tr...

meer dan 3 jaar ago | 1 answer | 0

Question

Converting and plotting serial number to time format [hh:mm]

I have a data with client number and parking time for EV charging station.The data is loaded in xlsx format. Please find the bel...

meer dan 3 jaar ago | 1 answer | 0

Question

How to plot time in excel for 24 hours duration , and not as serial numbers

Please help to plot the attached data.xlsx (time ) in excel to the required 24 hour format.

meer dan 3 jaar ago | 1 answer | 0

Question

Plot time on x axis for 24 hours duration

How can i plot my data against time on x axis which is 24 hours duration split every two hours. Sample has been attached here. ...

meer dan 3 jaar ago | 0 answers | 0

Question

Custom use of Softmax activation function in LSTM MAtlab for Solar forecasting

How can i use softmax activation function in the below code?What changes should i make? With this code i am getting RMSE 8.6.Ho...

meer dan 3 jaar ago | 1 answer | 0

Question

How can i load solar data for forecasting as a raw vector in matlab ?

Hi, i have a dataset for solar irradiance and attaching here .How can i load this irradiance data in matlab as a single raw v...

meer dan 3 jaar ago | 1 answer | 0

Question

When i tried to change the training function in nntrain , from trainlm to traindx, i get the error :

When i tried to change the training function in nntrain , from trainlm to traindx, i get the following error : Error using fi...

bijna 4 jaar ago | 1 answer | 0

Question

How to plot forecasted data with corresponding dates

I am trying to do ANN load forecasting. Finally, when I plot actual and modelled output, some problem is with the date. It shows...

bijna 4 jaar ago | 2 answers | 0

Question

How can i unnormalize the forecasted system load outputs in Neural Networks in Matlab

I normalised and unnormalised training and test data as mentioned below and hwo can i unnormalise the forecased output to the sc...

bijna 4 jaar ago | 1 answer | 0

Question

How can i plot multiple plots with respect to date in matlab for forecasting problem ?

How can i plot multiple plots with respect to date in matlab for forecasting problem ? i used , fitPlot(testdates, [target_tes...

bijna 4 jaar ago | 1 answer | 0

Question

How can i plot multpile plots for Neural network forecasted ouput and input in matlab ?

How can i plot multpile plots for Neural network forecasted ouput and input in matlab ? the below code gives error, as it c...

bijna 4 jaar ago | 0 answers | 0

Question

When i try to do normalisation, it gives error

When i try to do normalisation, it gives error Error in mapminmax.create (line 12) xmin = nnet.array.safeGather(min(x,[],...

bijna 4 jaar ago | 1 answer | 0

Question

xlsx reading not taking adate and time

z=xlsread('2019_SysLoad.xlsx'); 2019_SysLoad has 6 columns with titles Date Hr_End DA_LMP Dry_Bulb Dew_Point ...

bijna 4 jaar ago | 1 answer | 0

Question

neural network training for price and load forecasting

For doing Electrical load and price forecadting , 1.can i prefer NN fit tool ? 2.How do i evaluate to know if the training do...

bijna 4 jaar ago | 1 answer | 0

Question

Randomisation of matrix for load forecasting

Is it advicable to do randomisation while doing laod forecasting using neural network tool in matlab? while i use the below c...

bijna 4 jaar ago | 1 answer | 0

Question

Normalisation of matrices using mapminmax function

i tried to normalise the input and target matrices for load forecasting using the below code. p and t aretaken as original in...

bijna 4 jaar ago | 1 answer | 0

Question

Please explain the training set for neural network

Below is the training set code from matlab example ( https://www.mathworks.com/matlabcentral/fileexchange/28684-electricity-loa...

bijna 4 jaar ago | 1 answer | 0

Question

What is numdate as in example file" https://www.mathworks.com/matlabcentral/fileexchange/28684-electricity-load-and-price-forecasting-webinar-case-study?s_tid=FX_rc1_behav

The data which is loaded as in example "https://www.mathworks.com/matlabcentral/fileexchange/28684-electricity-load-and-price...

bijna 4 jaar ago | 0 answers | 0

Question

understanding forecasting code in matlab

Below is the code attached for cost , pv and load from matab example file. https://www.mathworks.com/matlabcentral/fileexchange...

bijna 4 jaar ago | 1 answer | 0

Question

syntax of matlab code

how can i trace or identify which matlab command / syntax is used in the script ? I want to understand the script written in an...

bijna 4 jaar ago | 1 answer | 0

Question

matpower installation in matlab causing error

test_matpower Undefined function or variable 'have_fcn'. i am getting this error while installing matpower kindly advice...

bijna 4 jaar ago | 0 answers | 0

Question

output visualisation in matlab code

how can i check output at each step of matlab code

bijna 4 jaar ago | 2 answers | 0

Question

start button in matlab

My matlab version is 2019a .I dont have start button in matlab, where do i find it to access different toolboxes.

bijna 4 jaar ago | 1 answer | 0

Question

Forecasting data of solar

Why do we forecast solar and wind data in optimisation problems ? What is its necessity ?

bijna 4 jaar ago | 1 answer | 0

Answered

Objective function for peak shaving and valley filling of wind turbine electrical load profile

i am working on microgrid optimisation with solar and energy storage.I am also checking the matlab example file as reference. ...

Objective function for peak shaving and valley filling of wind turbine electrical load profile

i am working on microgrid optimisation with solar and energy storage.I am also checking the matlab example file as reference. ...

bijna 4 jaar ago | 0

Question

MAtlab code data input

I would like to ask about the data which is used in the below matlab example.PvloadPrice data ,how is it taken ?From where it ...

bijna 4 jaar ago | 0 answers | 0

Question

microgrid in discrete model

how is it possible to model a microgrid in discrete model with high speed?I modelled a system and it is slow becauseof power ele...

bijna 4 jaar ago | 1 answer | 0

Question

Universal Bridge/igbt diode etc are not not allowed with the Phasor simulation method .Can someone help to solve this

hi, I am working with a microgrid model and I have power inverter/converter components. When I simulate in phasor mode i get err...

bijna 4 jaar ago | 1 answer | 0

Question

matlab runs slow with simulink model

MAtlab simulink model (in discrete mode)runs very slow.I tried solver profile and did all suggestions , but still it runs very s...

bijna 4 jaar ago | 1 answer | 0

Question

Electricity Cost Optimisation equations

How can i write basic equations for electricity cost optimisation in microgrid ?Which are the factors to consider while creating...

bijna 4 jaar ago | 0 answers | 0