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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
