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# Salem

### MathWorks MOOC Program

9 total contributions since 2014

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Question

I want to get the number of rows in doulble matrix but kept recieve an error
I have varible W1 type double and size 20x5 I workspace the varible looks like Name Value W1 20x5 I can...

circa 3 anni ago | 1 answer | 0

### 1

Question

Compute the acuarcy or error of the output?
I have two vectors Y and Yprd, each one is 1x602 double. Y contains the real data which represent the class label either one or ...

oltre 3 anni ago | 1 answer | 0

### 1

Question

Undefined function or variable 'rootFolder'.
When I am training to implement this function imageDatastore I receive Undefined function or vari...

oltre 3 anni ago | 1 answer | 0

### 1

Question

Modifing the weights of neural network by setting some weughts to zero
Is there way to access the weights of deep neural networks and set some weights to zero of pretrained model then compute the acc...

oltre 3 anni ago | 0 answers | 0

### 0

Question

Could you please tell me if there is a way of reducing very big table by removing the cells (positions) that have least frequently change?
I have very big table (saved as .csv file) with 10000 rows and 10000 columns or we can say matrix with size of 10000 x 10000. Th...

circa 4 anni ago | 1 answer | 0

### 1

Question

How can return the maximum appearance number in the square matrix?
How can I find the most repeated number in nxn matrice? For example, if I have 3x3 matrix like this [1 2 3; 6 6 4; ...

oltre 4 anni ago | 1 answer | 0

### 1

Question

Rescale Depth RGB image between zeros and one?
Dear All, I have 1000 d-rgb images (unit16) and each image has different size. I want to normalize the image by resizing them t...

circa 5 anni ago | 2 answers | 0

### 2

Question

Random save two large matrices in the same manner?
I have a matrix M1 and a vector M2. M1 is 4d matrix sized [150*150*3*9000] and the vector M1 is [9000*1]. Both of them saved usi...

circa 5 anni ago | 1 answer | 0

### 1

Question

How can read multiple images from different subfolders
I have folder name data and under this folder 30 folders (named A1 to A30) and each one have many colored images RGB (each image...

circa 5 anni ago | 3 answers | 0