Question

How to get rid of lsline in regression plot?
I have a regression plot with a blue lsline which I want to eliminate it but I don't know how.Thanks for any suggestion.

3 years ago | 1 answer | 0

### 1

Error in evaluating a polynomial model as a function of its variables
Thank you so much John for your comprehensive answer. Now R-squared increased 0.1967 . What if I remove some of unimportant par...

3 years ago | 0

Question

How to remove one x axis from 2 subplot
I have these 2 subplots and I would like to share the x-axis for two plots.How can I do that?Thanks

3 years ago | 1 answer | 0

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Question

validation performance or test performance?
If one divided data to 3 subsets training/validation/test and Which of these can be defined as a criteria to select the networ...

3 years ago | 3 answers | 0

### 3

Question

The best Ann configuration
I have run Ann for prediction with hidden nodes from 2-17 about 50 times. My question is which criteria I should rely on to sel...

3 years ago | 3 answers | 2

### 3

Question

How should be defined the seasons of a year as an input variable for ANN in matlab
I wanted to define the season of a year(4 seasons) as one of the inputs variables for neural network in matlab .Can I just use n...

3 years ago | 1 answer | 0

### 1

Question

How plotfit in neural network works?
When I run this figure, plotfit(net,inputs,targets) I get these errors Error in mapminmax>apply (line 275) y =...

3 years ago | 0 answers | 0

### 0

Question

How do I select some data from a matrix?
I have for example this matrix A=[2 0.9; 2 0.8; 2 1.0; 2 0.8; 3 0.3; 3 0.7; 3 0.8; ...

3 years ago | 1 answer | 0

### 1

Question

How to divide data with divideind?
If I have 5 years of daily data and I want to use "divideind" to define training and test and validation subsets should I first ...

3 years ago | 0 answers | 0

### 0

Question

how to plot two graphs ?
I have two matrices to plot A=[1 1.2 3 2.3 7 3.2 8 3 ] and B=[2 3.2 4 4.5 ...

3 years ago | 2 answers | 0

### 2

Question

Jacobian matrix of neural network
what is inside of jacobian matrix ?I know that for a trained network with number of data :1,2,..., n is equall to the number o...

3 years ago | 3 answers | 0

### 3

How to get neural net weight matrix
Thanks Greg.

3 years ago | 0

Question

Error in evaluating a polynomial model as a function of its variables
Hi I used polyfitn function to my 8 independent data and one dependent variable .I would like to use this function to fill the m...

3 years ago | 2 answers | 0

### 2

Question

How can I get higher rsqured of Multivariate Polynomial Regression?
Hi I used this function with my data and R-squared is 0.19 which is really low.How can I get higher R-squared. Should I use opt...

3 years ago | 1 answer | 0

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Question

Correlation of input variables in ANN
Hi , Do correlations between two input variables reduce the performance of neural network? for example, if we have 5 input varia...

3 years ago | 2 answers | 0

### 2

Question

How to get neural net weight matrix
Hi I need to know the weights of inputs(8) hidden layer(3 neurons) and output(1 neuron). for example, how can I know the weigh...

3 years ago | 2 answers | 0

### 2

Question

How to get 2 variables form loading mat fille
I want to load lots of mat file like (a1_2.mat......a50_40.mat) and take two variables(c,d) from each mat file and then put var...

3 years ago | 2 answers | 0

### 2

Question

How to solve this simple index problem
Hi, I have a=[1;2;3]and b=[23;nan;4] how I can get these c= and also D=[1,23;3,4] Thanks a lot

4 years ago | 1 answer | 0

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Question

How to use dir in a loop to be dynamic?
Hi, Sorry for a simple question. I have abc1_0.765mat ......abc50_0.7462mat How I can call the dir in a loop. for i=1:5...

4 years ago | 1 answer | 0

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Question

How I can select the maximum number in my filename?
I really would appreciate if anyone could solve my problem. I have net1_0.2327.mat net1_0.3425.mat ne...

4 years ago | 2 answers | 0

### 2

Question

how to use two separate files for ANN?
Hi, I would like to use two separate files for ANN.one file for training and the other file for test of data.Here is for the one...

4 years ago | 2 answers | 0

### 2

Question

How to select a file based on the filename?
Hi, I have several files and I want to just select one based on the maximum number which I could find on the file name. For ex...

4 years ago | 1 answer | 0

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Question

How to write this simple script correctly?
Hi I have s=[1 0 1;0 0 0]; b=[2 3 4]; I would like to have this as a result c=[nan 3 nan;2 3 4] I mean repl...

4 years ago | 2 answers | 0

### 2

How to load a variable from a loop name mat ?
Thanks a lot James.

4 years ago | 0

Question

How to load a variable from a loop name mat ?
Hi, I would like to load a variable(like X) from a dynamic mat file I have this: for n=1:4 load(['nano',num2str(n),'.ma...

4 years ago | 2 answers | 0