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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]; ...

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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...

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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...

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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,...

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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...

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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

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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...

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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:...

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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...

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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...

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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 ...

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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...

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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...

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

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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...

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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 ...

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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...

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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...

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

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

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Is there a best way to identify anomalous peaks in signals and remove them?
"identify anomalous peaks in signals and remove them?" You can do this in many ways, it depends on you and your exact needs. Bu...

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video camera data processing
Convert the video in series of images (frames) Here https://in.mathworks.com/matlabcentral/answers/31845-convert-avi-file-to-s...

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store user input in an array
user_input=zeros(1,10); n=1; while n<=10 user_input(n)=input('Enter positive real number : '); n=n+1; end fprintf('...

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How can I generate random numbers
"I want a2 should generate one randon no, a1 should generate one random no and then a new range should form and i should be able...

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Correlation using for loop
Problem, you are trying to access the rows to 7400, but the rows in M _ET [3700 12] have a maximum of 3700, as M_ET [3700 12] ...

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Only the real part of the complex number is displayed and not the imaginary part
You have to run the code (Click on the green triangular button) to execute eig function.

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Vertical line for building detection
You can do the thresholding or oher image suitable segmentation approach to get the ROI, (preferbly vertical). In that case, you...

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Cepstrum analysis in image processing
Steps: Red the image (imread) Covert Gray Scale Image (rgb2gray) Add Noise (imnoise) Filter the Noisy Image (imfilter) Comp...

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I have a 3D matrix, how to do clustering of this matrix?
Whether dimention affects clustering results, I think no, assigns different clusters values to the categories. You may apply the...

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how to find coin value in an image using matlab
Steps: "I need to find the value of a coin in the image" Preprocessing (If required) Segmentation (ROI) Apply Sort of Morpho...

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