# subha

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Neural networks

Machine learning

Professional Interests: Matlab

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**Feeds**

Question

when i save .m files i get warning? why?

i am getting this warning "The system cannot find the path specified " i couldnot save my file further with this warni...

9 years ago | 1 answer | 0

### 1

answerQuestion

How to read and store greyscaleimage into single matrix?

i have 2429 images in pgm format. each is in 19*19 size. Now i need to read all the images one by one and store in single matrix...

9 years ago | 2 answers | 0

### 2

answersQuestion

What is the reason for this code to go out of memory?

filename= 'train_images_idx3_ubyte'; imgs=[]; readdigit =60000 % Read digits % This program reads 60000 binary image ...

9 years ago | 1 answer | 0

### 1

answerQuestion

How do i replace this code to fast up?

Variable poshidstates have 4 possible values(0,1,2,3). Everytime, poshidstates has to select 1 value out of this four.In this b...

9 years ago | 1 answer | 0

### 1

answerQuestion

How to multiply 3 matrices?

I want to multiply 3 matrix. each has dimension sigmas=1*784, poshidstates=100*500, vishid=784*500. Then i want to add this with...

9 years ago | 1 answer | 0

### 1

answerQuestion

How can i replace this code to fast up?

for i=1:500, subplot(23,23,i); x=vishid(:,i); imagesc(reshape(x,imagesize)); colormap gray; end Here,vi...

9 years ago | 3 answers | 0

### 3

answersQuestion

How to collect results in a table or graph?

I am running my program for 50 epochs(50 times). i want to notice how much time it takes for every epoch. I am using tic and toc...

10 years ago | 1 answer | 0

### 1

answerQuestion

why does my program not reading these values?

Following is my program.when i run this program, it is not reading maxepoch and numhid values. These two variables belongs to rb...

10 years ago | 1 answer | 0

### 1

answerQuestion

What is the difference between fopen( 'r'),fopen('r','b') ?

When i try to open a file in different way, i get different ans. what it represent? As per my understanding from documents, 'b' ...

10 years ago | 1 answer | 0

### 1

answerQuestion

How this code writes in Cell array ?

As per my understanding, the below code does the following. i) create 10 cells ii) In each cell a file called digit is ope...

10 years ago | 1 answer | 0

### 1

answerQuestion

What 0 represents in rand function?

What rand ('state', 0) is represents. i read in the document, it shows that it is generating random number. Not clear about what...

10 years ago | 1 answer | 0

### 1

answerQuestion

What this code do?

I would like to know what this code does? dos('rm *.ascii'); thanks

10 years ago | 2 answers | 0

### 2

answersQuestion

can anybody help in understanding fopen and fread?

As per my understanding, fopen open the file in a mode which we want. For example, if we say r,then it opens in read mode. fread...

10 years ago | 2 answers | 0

### 2

answersQuestion

Do i need to modify my program to use it in compiler?

I have implemented a program in Matlab.It is too slow. To improve the speed, i would like to use Matlab compiler. As per the vid...

10 years ago | 1 answer | 0

### 1

answerDoes the MATLAB Compiler speed up the execution time of MATLAB functions?

How to use matlab compiler for my source code

10 years ago | 0

Question

what is the meaning of code?

what below line represents?This is the code which is used to load digits which is taken from MNIST dataset. Load Digit 0 is u...

10 years ago | 1 answer | 0

### 1

answerQuestion

how to access elements from matrix

I have 4 different matrix. For my process i need to take one element from 4 matrix and have to form a vector. For example, a=[0....

10 years ago | 2 answers | 0

### 2

answersQuestion

How to assign discrete values in a single matrix by considering four conditions

I have one matrix.I want to check each elements of matrix with 4 conditions (say:each element is whether come under <0.25, 0.25 ...

10 years ago | 2 answers | 0

### 2

answersQuestion

implementation help of Gaussian RBM in matlab

First i would like to know how to make visible layer to zero mean and unit variance.I have seen in few example they followed be...

10 years ago | 1 answer | 0

### 1

answerQuestion

subtract two parameters with diff dimension

i want to subtract two parameters x and y.X has dimension 100* 784, Y has dimension 784*784.Can anybody help

10 years ago | 1 answer | 0

### 1

answerQuestion

zero mean and one variance

How to make dataset into zero mean and 1 variance

10 years ago | 2 answers | 0

### 2

answersQuestion

check the condition and assign discrete values

i have converted one dataset into four groups.say my datavalues are in between 0 to 1. Then i seperated those values as <0.25...

10 years ago | 2 answers | 0

### 2

answersQuestion

condition checking in matlab

i want to verify each element in the matrix and keep that value in the same place if its true otherwise i want to make it as 0. ...

10 years ago | 2 answers | 0