Question

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...

5 jours ago | 1 answer | 0

Question

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...

6 jours ago | 0 answers | 0

Answered

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

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

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

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

7 jours 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...

9 jours ago | 0 answers | 0

Question

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...

23 jours ago | 0 answers | 0

Question

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...

24 jours ago | 2 answers | 0

Question

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....

24 jours ago | 1 answer | 0

Question

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...

environ un mois ago | 1 answer | 0

Question

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 ?

environ un mois ago | 1 answer | 0

Question

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 ...

environ un mois ago | 5 answers | 0

Question

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 ...

environ un mois ago | 1 answer | 0

Question

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 ...

environ 2 mois ago | 1 answer | 0

Question

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...

environ 2 mois ago | 0 answers | 0

Question

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...

environ 2 mois ago | 0 answers | 0

Question

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

environ 2 mois ago | 0 answers | 0

Question

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 ...

environ 2 mois ago | 0 answers | 0

Question

Matlab optimproblem , optimvar

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

environ 2 mois ago | 1 answer | 0

Question

Matlab function block error

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

environ 2 mois ago | 0 answers | 1

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; ...

environ 2 mois ago | 0 answers | 0

Question

importance of weights in optimization

Hi, This code written below is taken from matlab example , https://ww2.mathworks.cn/matlabcentral/fileexchange/73139-microgri...

environ 2 mois ago | 0 answers | 0

Question

matlab optimisation problem _ constraint

Hi, this is a code from matlab optimisation problem given in the below link https://www.mathworks.com/matlabcentral/filee...

environ 2 mois ago | 1 answer | 0

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

2 mois ago | 1 answer | 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...

2 mois 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...

2 mois ago | 1 answer | 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...

3 mois 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...

3 mois 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...

3 mois 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...

3 mois 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...

4 mois 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...

4 mois ago | 0 answers | 0