# NN

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**Content Feed**

Question

energy management system of microgrid optimisation problem _battery control

Regarding https://www.mathworks.com/matlabcentral/fileexchange/73139-microgrid-energy-management-system-ems-using-optimization?s...

2 hours ago | 0 answers | 0

### 0

answersQuestion

An error occurred while running the simulation and the simulation was terminated Caused by: Reference to non-existent field 'Emin'.

When i run simulink i get this error An error occurred while running the simulation and the simulation was terminated Caused ...

5 days ago | 0 answers | 0

### 0

answersQuestion

How do we define prob=optimproblem for multiple energy storage systems

In the below example, https://www.mathworks.com/matlabcentral/fileexchange/73139-microgrid-energy-management-system-ems-using-...

6 days ago | 1 answer | 0

### 1

answerQuestion

how can i plot R2(regression line) between target and prediction

Please explain how can i plot R2 as regression line between target and prediction in matlab Can some one please share the code ...

1 month ago | 1 answer | 0

### 1

answerQuestion

how can i find R2 (Rsquared) for regression problem in matlab?

how can i find R2 (Rsquared) for regression problem in matlab?I have my forecasted outputs and targets .How can i write code for...

1 month ago | 1 answer | 0

### 1

answerQuestion

How do we set error goal for rmse, mae and mape in lstm network in matlab?

How do we set error goals for RMSE < MAE and MAPE in Matlab for lstm networks? Is there any specific format for that ? Pleas...

1 month ago | 0 answers | 0

### 0

answersMatlab doesn't open (it's installed and activated)

I am facing teh same problem, but i couldnt find the APP data folder

2 months ago | 0

Question

Bayesian Optimization Algorithm_ acquisition function

Hi all, I have a question regarding Bayesian Optimization Algorithm_ acquisition function (link is given below). https://ww...

2 months ago | 0 answers | 0

### 0

answersQuestion

How do i reshape the matrix from 2D- 3D?

I have a matrix 6x1000 double in matlab.How can i convert it to 3D as 6x1000x1 format ? My input is times series data and i nee...

2 months ago | 0 answers | 0

### 0

answersQuestion

how do i define a convolution layer for time series data matlab

how do i define a convolution layer for time series data matlab using deep learning designer app?When i use sequence input layer...

2 months ago | 2 answers | 0

### 2

answersQuestion

readtable _causing slow operation

Dear all, Kindly let me know the if there is any option to use any other command instead of readtable to run the attached code....

2 months ago | 1 answer | 0

### 1

answerQuestion

Optimisation error_constraint

Dear all, When i use constraint which is defined as output in the function , no error, but when i use input variables in func...

3 months ago | 1 answer | 0

### 1

answerQuestion

Matrix subtraction makes the model too slow

The below code makes the model too slow: Data(i,:)=Data1(i,:)-Data2(i,:); is there any alternative way to solve this ?

3 months ago | 1 answer | 0

### 1

answerQuestion

how can i avoid Nan in matlab expression and return 0

The below three expression gives three different values, and can someone advice me how can i avoid Nan values for 0 input and ...

3 months ago | 5 answers | 0

### 5

answersQuestion

how to do conditional statements using optimisation variables?

hi all, how can i perform logical comparison using optimisation variable ? I have tried this below code for optimisation using ...

3 months ago | 1 answer | 0

### 1

answerQuestion

how can i create sliding window matrix for a single column matrix

HI , I have a single column matrix of a solar forecasted output.How can i create a sliding window of the required size of the ...

3 months ago | 1 answer | 0

### 1

answerQuestion

after initialising a diesel machine, does its power remains constant at initialised value in matlab.

after initialising a diesel machine, does its power remains constant at initialised value in matlab. I have initialised diesel...

3 months ago | 0 answers | 0

### 0

answersQuestion

Diesel generator Model in simpowersystem

I have initialised diesel generator to a load of 2.45 MW and after initialisation , my diesel generator produces excess power if...

3 months ago | 0 answers | 0

### 0

answersQuestion

Optimization problem Matlab _optimisation vector

What is the importance of optimisation horizon in optim prob usgae?How input parameters dimension can be set? Kindly advice

3 months ago | 0 answers | 0

### 0

answersQuestion

Optimization problem _input dimension

While giving inputs to optimisation problem, how to set matrix dimensions of inputs like solar , load etc .i have 25 x 2 matrix ...

3 months ago | 0 answers | 0

### 0

answersQuestion

Matlab optimproblem , optimvar

Hi, I am getting errors like this, when I use optimproblem and optimvar. Function 'optimproblem' not supported for code gener...

3 months ago | 1 answer | 0

### 1

answerQuestion

Matlab function block error

Hi i am getting error for using matlab simulink function block ### Simulink cache artifacts for 'filename' were created in 'f...

3 months ago | 0 answers | 1

### 0

answersQuestion

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; ...

3 months 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...

3 months ago | 0 answers | 0

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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 months 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

3 months ago | 1 answer | 0

### 1

answerQuestion

Algebraic loop problem _Simulink

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

4 months 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...

4 months 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...

4 months 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...

4 months ago | 0 answers | 0