Amith Kamath
MathWorks
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MEDIA DE ME GUSTA
Solve a community group
Awarded to Amith Kamath on 08 Oct 2020
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Answer 1 question that was unanswered for more than 30 days
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Resuelto
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...
más de 3 años hace
Resuelto
Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...
más de 3 años hace
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Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...
más de 3 años hace
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Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...
más de 3 años hace
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Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...
más de 3 años hace
Resuelto
Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...
más de 3 años hace
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Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...
más de 3 años hace
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Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...
más de 3 años hace
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Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...
más de 3 años hace
Resuelto
Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...
casi 4 años hace
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Solve a System of Linear Equations
*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...
casi 4 años hace
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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,....
casi 4 años hace
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Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...
casi 4 años hace
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Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...
casi 4 años hace
Resuelto
Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...
casi 4 años hace
Resuelto
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:...
casi 4 años hace
Can't reload 'C:\Program Files\MATLAB\R2018b\bin\win64\ocv.dll' when using detectMSERFeatures, while the Computer Vision Toolbox installed indeed.
This happens due to the unavailability of the Visual C redistributable DLLs, which can be downloaded from here: https://support...
más de 5 años hace | 1
Can't reload 'C:\Program Files\MATLAB\R2018b\bin\win64\ocv.dll'
This happens due to the unavailability of the Visual C redistributable DLLs, which can be downloaded from here: https://support...
más de 5 años hace | 2
Does bwboundaries always returned ordered, clockwise, boundaries?
David, Thanks for the detailed question, and sharing the cool demo with us. Here is what the help text for bwboundaries says:...
más de 7 años hace | 0
why imerode and imdilate make matlab stopped every time ?
Alaa: You've probably found a bug in imerode. However, I believe you really meant to do this instead: B = im2bw(i, 0.3);...
más de 8 años hace | 1
| aceptada
Difference between "Canny" and "Canny_old" in Image Processing toolbox function "edge"
Mazhar: Apologies for such a delayed response. As far as I know, 'canny_old' does not have any relation to the openCV implem...
más de 8 años hace | 1
| aceptada
How can I change numbers on colorbar?
you can set the CLim (color limits of the bar) using caxis([min, max]). The default value is the min and max of the plotted data...
más de 10 años hace | 1
Which one is best for calculating circularity ?
I would do one of the following: 1. Use the 'solidity' option in REGIONPROPS to estimate how 'curvy' the blob is, and solidit...
más de 10 años hace | 5
how otsu multithresh works?
From <http://en.wikipedia.org/wiki/Otsu%27s_method>, the algorithm assumes that the image to be thresholded contains two classes...
más de 10 años hace | 1
CT spine saggital image
Assuming your data has at least 3 dimensions, you only need to index it correctly so as to get a 2D matrix for displaying. For t...
más de 10 años hace | 0
how i measure a threshold value to use it in a wavelet_based image segmentation ?
If you are looking at segmentation in general, and tuning parameters to do so, I would recommend using <http://www.mathworks.com...
más de 10 años hace | 0
Doubts in setting matlab path
<http://www.mathworks.com/help/matlab/matlab_prog/function-precedence-order.html> answers your question exactly. I believe MATLA...
más de 10 años hace | 1
IMWRITE followed by IMREAD Changes Pixel Values
I tried this, and I realized that ISEQUAL compares a DOUBLE and UINT8, which quite obviously does not return true. p = ran...
más de 10 años hace | 1
| aceptada
Sobel filter with slider (GUI).
<http://homepages.inf.ed.ac.uk/rbf/HIPR2/sobel.htm> is a good introduction to the Sobel filter. It is essentially a Laplacian of...
más de 10 años hace | 0
How can i read and show multiple DICOM images of CT in GUI MATLAB
<http://www.mathworks.com/matlabcentral/fileexchange/29344-read-medical-data-3d> may be useful, however, I have not tried it yet...
más de 10 años hace | 0
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