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Tiago Dias


113 2017 이후 총 참여 횟수

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Neural Networks Gradient - what is a good value?
Hello, When building neural networks with the toolbox, in the display I have a performance parameter, lower the better since it...

6일 전 | 답변 수: 1 | 0

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How to do some calculations on nonzero nonNAN elements of an array
Hello, is this what u want to do? A = [1 NaN 2 NaN;3 1 4 5] result = A(1,:) ./ A(2,:) result = 0.3333 NaN ...

9일 전 | 0

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Select matrix for training,testing and validation on ANN
Hello to all, completeX = [1:+1:100;2:+2:200]'; completeY = [1:+1:100]'; From my data set i divided in a specific form and I ...

13일 전 | 답변 수: 1 | 0

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Radial Basis Function NN
Hello, I got my predictors 523 observations and 41 variables (523x41) and I got my response (523 observations x 1 variable). I...

14일 전 | 답변 수: 0 | 0

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Find datetime in a vector
Hello, I want to find the index of two times that belong on a colum with a bunch of timedates t1 = datetime('10-09-2018 00:00:...

4달 전 | 답변 수: 1 | 0

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Datetime shows month name and not number
Hello, I want to find a specific datetime in my vector full of date time in the format of (10-09-2018 00:00:00) days-month-ye...

4달 전 | 답변 수: 1 | 0

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From a given vector create all combinations possible
Hello, from a given vector i want to create all possible combinations. I have the following code, a vector of [5 10 15] and I ...

5달 전 | 답변 수: 1 | 0

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Artificial Neural Networks Hidden Layers
Hello, Below is my code to build a neural netword. Question 1 n defines the number of nodes in the hidden layer. How can i de...

5달 전 | 답변 수: 1 | 0

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Implement Regression models in real systems
Hello, I used matlab for training and testing models (PLS, PCR, LAsso, ridge regression, and neural networks from the apps tool...

5달 전 | 답변 수: 1 | 0

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How to calculate Repeatability and Reproducibility
Hello, I got a dataset X and Y. I got a PLS model, and so I got an Ypredicted, and i performed the PLS construction 50 times, ...

5달 전 | 답변 수: 0 | 0

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bar chart with different width
Hi, I got a problem with my bar charts, some bar got a different width then others, for the cyan and mangent bars. I attach a p...

6달 전 | 답변 수: 0 | 0

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How to select specific legend entries for bar chart
Hi, what is extraction?

6달 전 | 0

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Create aditional legend on bar chart
Hello, I got a bar chart, and i want to have the bars with different colors. I would like to know if it possible to show somety...

6달 전 | 답변 수: 1 | 0

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Change Colors of bar chart
Hello, I got a fig.file which is a bar chart (attached). And I want to change some bar charts to red for example, bar 4, 10 and...

6달 전 | 답변 수: 1 | 0

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Turn off the dispaly of the values on Yaxis
Hello, I was wondering if it is possible to just turn off the values from 0 to 160 on Yaxis, but remaining the grid and Ticks? ...

6달 전 | 답변 수: 1 | 0

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Change Width for YAxis (both) but not the grid
Hello, I want to change both YAxis Width but ax1.YAxis.Linewidth = 1.5 command doesnt work. I would like the width of both Yaxi...

7달 전 | 답변 수: 1 | 0

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Lasso regression coefficient inperpretation
Hi, I got my data (predictors) and my response variable (Y_MOTOR) and I want to interpret the results when I build a Lasso mode...

8달 전 | 답변 수: 0 | 0

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Lasso regression coefficients interpretation
Hello, I want to built a lasso model for my data (predictors) to predict Y_MOTOR. load('predictors.mat') load('Y_MOTOR.ma...

8달 전 | 답변 수: 0 | 0

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Area under the curve in blocs
Hello, I would like to know the area under the curve in blocs from 1 to 2, 2 to 3, etc and also the total. x = [1 2 3 4 5 6 7 ...

8달 전 | 답변 수: 1 | 0

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Creating a cell and allocation specific text
Instead of { } i used now ( ) and it works. result(1,2:end) = result_aux(1,1:end);

8달 전 | 0

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Creating a cell and allocation specific text
Hello, My objective is to create an array cell like: result = {'Intercept','X1','X2','X3',....'X41'}, in the 1st colum I got t...

8달 전 | 답변 수: 3 | 0

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Save a file inside a subfolder of a folder
Hello, In my directory I want to be able to creade a Folder, call a function do perform some calculations, and the results of t...

10달 전 | 답변 수: 1 | 0

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Change the name of structure inside a cell
@Stephen Cobeldick the objective was just when i open "stuff" to see that the column 1 is label with a specific name and column ...

12달 전 | 0

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Change the name of structure inside a cell
Hello, I got the cell names stuff with 2 field values. When I open "stuff" i see a message "1x1 struct", can i change this disp...

12달 전 | 답변 수: 2 | 0

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Round number to just 2 decimals cases
Hi, I want to round A A = [47.1847 18.78417 8.7849 3.3514]'; B = round(A,2) C = floor(A*100)/100 so i can get result = [ 4...

약 1년 전 | 답변 수: 1 | 0

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Histogram with values above the bars
Hello, I got data with values form 90 to 100, and i can have decimal values like 90.4 95.3. My goal is to create an histogram w...

약 1년 전 | 답변 수: 2 | 0

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Plot blocks of points with a specific color
This is what I did to solve my question: from a generic X = [1:25]'; Y = [1:25]'; I want to plot each number of "rows" to a ...

약 1년 전 | 0

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Plot blocks of points with a specific color
Hi, I got these points and I want to colour every 4 points with a specific color: x = [ 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 ...

약 1년 전 | 답변 수: 2 | 0

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Want to create colors depending on the number of columns i got in my X
Hello, i want to plot each column, and i want to associate each column with a color but automaticly. X = [1:26]'; Y = [1:26]';...

약 1년 전 | 답변 수: 1 | 0

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Resize a matrix into another with different size
Hello, i got a matrix X and I want to transform X into a matrix rows x collumns, in this case into a 4 by 7 matrix. I used resha...

약 1년 전 | 답변 수: 3 | 0

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