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**Content Feed**

Question

How to Solve differential equations

I have an excel datasheet. I get four graphs on plotting the column values of excel sheet. [data, str, raw] = xlsread('covid1...

4 dagen ago | 0 answers | 0

### 0

answersQuestion

Intersecting and non-intersecting box regions

Having a set of bounding box values [x y width height] , how can i find the number of bounding box that gets intersected and tha...

17 dagen ago | 3 answers | 0

### 3

answersQuestion

Replace specific rectangular regions with ones

I wanted to fill the rectangular positions in bbox (values attached in order - [x y width height]) with ones. I tried the below...

20 dagen ago | 1 answer | 0

### 1

answerQuestion

Create a mask of a rectangular region

How to create a mask of a rectangular region?

22 dagen ago | 1 answer | 0

### 1

answerQuestion

What does regression value in neural networks denote

What does the R value of Training, Validation, Testing and All denote, in the below plots When i compute accuracy using classpe...

27 dagen ago | 1 answer | 0

### 1

answerQuestion

plot arc that pass through a particular point

I have attached my (x,y,z) coordinate values And i plot these values using the below code load XYZ for i = 1 : size(XX,2) ...

ongeveer een maand ago | 1 answer | 0

### 1

answerQuestion

How to smoothen curves?

I have attached my data values I plot it using the below code load data x = data(:,1); y = data(:,2:end); figure(2), plot(x...

ongeveer een maand ago | 2 answers | 0

### 2

answersQuestion

Draw arc with specified angle difference

Having 2 datas as attached in Data.mat, how to draw arc with a specified angle difference (angle difference can vary say 15, 30 ...

ongeveer 2 maanden ago | 3 answers | 0

### 3

answersQuestion

edge pixel frequency of image

How is edge pixel frequency of an image found?

ongeveer 2 maanden ago | 1 answer | 0

### 1

answerQuestion

extract 64 lowest frequency components of fft

How to extract 64 lowest frequency components using fourier transform of an image fft2 or fftn which function to use, and how t...

2 maanden ago | 1 answer | 0

### 1

answerQuestion

pad matrix to a particular size

I have a matrix M of size m x n m and n may or may not be equal - M can be rectangular or square matrix - where m and n are le...

2 maanden ago | 2 answers | 0

### 2

answersQuestion

Give title for Table

Is it possible to give title for a table i have displayed as below If i wanted to give a title 'My Table', how to give it? Det...

3 maanden ago | 2 answers | 0

### 2

answersQuestion

why does dimension of input variable change in ode45

i wanted to compute ode45 with the following input ABCD = [3453151,3880795,334228,236989;3527618,3939199,341859,245399;... ...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

delete zeros in cell array

i have a cell_array with values cellarr = {'b','a','a','a','b';0,'c',0,'b',[];0,'a',0,'d',0;'a','a','b',[],[]}; i wanted to d...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

find the row and column value of a specific value in cell array

i have a cell array with values cellarr = {'a','b','c',3,5;'b',5,'a',[],[];'a','c',3,'a',4;'b','a','c','c',3}; i wanted to f...

4 maanden ago | 1 answer | 0

### 1

answerQuestion

find the object closest to the center

i did adaptive threshold and got the output as below for 3 different inputs Now, i wanted to keep only regions marked 1 and 2...

4 maanden ago | 2 answers | 1

### 2

answersQuestion

how to change the e+00 format

on computation i get a vector value as below index = [7.8651e+04;177445] because of the e+04 format, on further computation i ...

4 maanden ago | 2 answers | 0

### 2

answersQuestion

Read images from a folder in a particular order

I have a folder, and subfolder of images in it. When i read images it comes in the order 1, 10, 11, 12...etc, instead of 1, 2, ...

4 maanden ago | 1 answer | 0

### 1

answerQuestion

how to compute derivative

having all the values in the above equation, is the below code correct for dE(t)/d(t) computation? dEt = beta * (1 - sigma) *...

4 maanden ago | 1 answer | 0

### 1

answerQuestion

How to stop execution of a program through code?

When i execute a program, if the execution exceeds 2 minutes, i wanted to stop the execution through code. What should i do to c...

4 maanden ago | 1 answer | 0

### 1

answerQuestion

write a row from excel to a text file

How can i write a string row ( not English ) from excel to notepad or wordpad. Is it possible in Matlab? I have attached a samp...

4 maanden ago | 1 answer | 0

### 1

answerQuestion

How to mirror pad a matrix

How to do mirror padding to the matrix I = [ 1 6 3 3 4 5 1 2 2 5 7 2 2 2 6 2 4 4 6 8 3 5 3 8 5 3 3 4 5 2 2 7 6 5 2 2 7 6 2...

6 maanden ago | 2 answers | 0

### 2

answersQuestion

How to change all the colours in the image to black

how to change all the colours in the image to black except the white colour in image?

6 maanden ago | 2 answers | 0

### 2

answersQuestion

How to find what percentage of image an object covers

From the given image, how can i find the percentage of cells covers the image or in other words what percentage of cell covers t...

6 maanden ago | 1 answer | 0

### 1

answerQuestion

How to preserve edges when rotating images

How can i make sure that my images dont cut off when using rotation in image augmentation imageAugmenter = imageDataAugmenter('...

7 maanden ago | 1 answer | 0

### 1

answerQuestion

How create desired number of images in the folder

How to augment a folder of images? Suppose i have 7 images in a folder, i wanted to augment these 7 images and create a total o...

7 maanden ago | 1 answer | 0

### 1

answerQuestion

how can i get the regression values into a variable in neural network

When we fit-data-with-a-neural-network, we can get the regression graph, when we click the Regression button in the nntool windo...

8 maanden ago | 1 answer | 0

### 1

answerQuestion

What does the equation do in the 2 images to combine it to one image

Please can someone explain what happens in the below code cb and cr are chrominance in red and blue channels bmean and rmean ...

11 maanden ago | 1 answer | 0

### 1

answerQuestion

Find the coordinates nearest to the center coordinate of a patch in an image

i have an image of size [512 512], and xy coordinates values, which have been found on the whole image. (I have attached an exam...

ongeveer een jaar ago | 2 answers | 0

### 2

answersQuestion

how to check if (x,y) coordinates fall within another (x,y) coordinate

i have the x,y,w,h --> [x position, y position ,width and height] of the two black boxes and the red boxes inside the black boxe...

ongeveer een jaar ago | 1 answer | 0