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KALYAN ACHARJYA


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1,739 total contributions since 2017

#Image Processing
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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

7 hours ago

Solved


Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

7 hours ago

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change matrix form and arrangement
reshape(A1,[2,3])

8 hours ago | 0

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Answered
Delete Cells from Cell Array, when size is less than 50% of biggest cell
Here one way: The given cell data a={[1,2;3,4;5,6;7,8],[9,10;11,12],[13,14;15,16;17,18]} Check data a = 1×3 cell array ...

9 hours ago | 0

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Looping until threshold is met
You have to initialize "error" before the loop. The initial value must be less than a threshold value as defined. Also make sure...

12 hours ago | 0

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Generating two Random sequences
Hint: One Way, you can do multiple ways data=repmat([1,-1],[1,50]) seq1=data(randperm(100)); seq2=data(randperm(100)); Fore ...

1 day ago | 1

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convert array dimensions 12 channels
reshape(data,[50,1,12])

1 day ago | 1

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Answered
how can I divide the vector into parts
data_cell=mat2cell(data,1,[20*ones(1,3276),16]) Result, save the all sub array data in cell array having cell elements 3227, wh...

1 day ago | 0

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Solved


Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

1 day ago

Solved


Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

1 day ago

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

1 day ago

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

1 day ago

Answered
Error "Index in position 2 exceeds array bounds (must not exceed 1)."
Problem due to typo error (Note MATLAB is case sensitive). The preallocated variable named as Vxai, Vyai (upper case V), later u...

1 day ago | 0

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calculate multi-level DWT of an image
"the numbers should be between 0-255" No, pixel values ​​depend on the data types, the original image probably uint8 data type,...

1 day ago | 0

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Plot Receiver Operating Characteristics (ROC) curve from a given probability distribution of an input variable
Hint: Define rupture time (asssuming vector data) t= Define other Known Parameters k= F= d= Kb= T= Calculate P(t), w...

1 day ago | 0

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How do I obtain smoothen the linesin my graph and make it all look less sharp?
smooth https://in.mathworks.com/help/curvefit/smooth.html

1 day ago | 0

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

2 days ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

2 days ago

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display value if it lies between x and y
Try with single "&" Note "x_array{b}>ymin" or "x_array{b}<ymax" return logical array data. If all the array elements of the ar...

2 days ago | 0

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How to run nested loop (from 1 to mean value) & (from mean value to last value) of an image?
Is this? mean_val=mean2(grayImage); Image_I1=grayImage(grayImage>mean_val); Image_I2=grayImage(grayImage<=mean_val); subplot...

3 days ago | 0

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How to extract value at a given time in ode 45
Hope I have understood your question, if not, please do not hesitate to correct me. Lets understand with an example, say t as ...

3 days ago | 1

Answered
Images segmentation methods in MATLAB
As the region of interest is clearly distinct, you can directly obtain the results by binarization of the input image. You may h...

3 days ago | 0

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Newton's Law of Cooling Euler's method, don't understand how it works in matlab
As you have tried, so sufficient Hint here dt=0.5; T_amb=10; t=0:dt:5; % Check T=zeros(1,length(t)); T(1)=37; k=0.12; fo...

4 days ago | 0

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Answered
image segmentation using ANN MATLAB Code
Here, Semantic Segmentation of Multispectral Images Using Deep Learning https://in.mathworks.com/help/images/multispectral-sema...

4 days ago | 0

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How to put a shape on top of an image?
You may try with imfuse https://in.mathworks.com/help/images/ref/imfuse.html or Image Overlay Using Transparency https://in.m...

4 days ago | 0

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How to save last three values from for loop?
Save the loop results in array (if scalar data) or in cell arary (in vector results) are good ways to handle the data. From the ...

4 days ago | 0

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I want to remove background in the given image.
As the color of ROIs is quite clear, you can try to get a range of red pixels with different color models. Please note, the defi...

4 days ago | 0

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Finding coordinates From image
You have do little effort to localize the eye section in the image. You may use imfindcircles function (Read about CHT Image Pro...

8 days ago | 0

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Answered
How to verify SNR of a signal after using the awgn function
SNR https://in.mathworks.com/help/signal/ref/snr.html

8 days ago | 0

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need help for plotting of data
>> whos T Name Size Bytes Class Attributes T 10x10x10 8000 double He...

8 days ago | 0

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