Muthu Annamalai
MathWorks
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Regular Joe :)
DISCLAIMER: Any advice or opinions posted here are my own, and in no way reflect that of MathWorks, Inc.
Professional Interests: Mathematical Modeling, Communications, Photonics, Optics
Statistiques
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10 of your answers have been accepted
Awarded to Muthu Annamalai on 15 Feb 2022
Contribute at least one answer each month for 3 consecutive months
Awarded to Muthu Annamalai on 20 Jul 2017
Obtain 50 solvers for a problem you have created
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Solve all the problems in CUP Challenge
Awarded to Muthu Annamalai on 14 Aug 2015
Publish your first review
Awarded to Muthu Annamalai on 09 Oct 2019
Answer 3 questions that were unanswered for more than 30 days
Awarded to Muthu Annamalai on 20 Jul 2017
3 of your answers have been accepted
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Provide your first answer ever to someone else's question
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Create 10 problems
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Feeds
A résolu
First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];
presque 9 ans il y a
How to create structure with while loop?
Hello Vy, You are looking for a event loop like this, answer = 'y' while strcmpi(answer,'y') %do something an...
environ 9 ans il y a | 0
What code would I use for this question
The code depends on who gets the extra credit J I would recommend using a while loop like another example in page 4 of Cleve ...
environ 9 ans il y a | 0
i am student, i want to detect the tumour that is lung cancer cells present in lungs using template matching algorithm.
Have you considered using Mathworks' <http://www.mathworks.com/products/computer-vision/features.html#object-detection-and-recog...
environ 9 ans il y a | 1
How to insert char to table?
If you are mismatching to the number of rows in your Table. Try assigning a cell-array of strings to your Table out2, at the ...
environ 9 ans il y a | 0
A résolu
Model a mass spring system
Model an ideal mass-spring system shown below where the spring is initially stretched. <<http://blogs.mathworks.com/images/se...
environ 9 ans il y a
A résolu
Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...
plus de 9 ans il y a
A résolu
Vigenere cipher - be like Sherlock Holmes!
You're a young detective. Every detective needs a function to decrypt a vigenère cipher. It's a modification of a caesar cipher....
plus de 9 ans il y a
A résolu
Back to basics 8 - Matrix Diagonals
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector of numbers, output a square array with the...
plus de 9 ans il y a
A résolu
Sum my indices
Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...
plus de 9 ans il y a
how can i combine 8*8 blocks into image after inserting text in each block?
You have code that almost works, pending a linear transformation; I would suggest trying the 2-step recipe, # Build the mosai...
plus de 9 ans il y a | 0
Orthogonalization of time series data
Sounds like eig maybe useful, and you may find *principal component analysis* (PCA) of interest too. See <http://www...
plus de 9 ans il y a | 0
Importing Excel Files using a Function
MATLAB is not able to find your variable *workbookFile*. You should try to add a call to *narginchk(1,3)* in your code, like ...
plus de 9 ans il y a | 0
What is the best approach in editing script files with other script files ?
@Rodriguez, and @Cedric I propose an alternative way to look at the question; it would be nice to have same script return differ...
plus de 9 ans il y a | 0
A résolu
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...
plus de 9 ans il y a
A résolu
Parasitic numbers
Test whether the first input x is an n-parasitic number: <http://en.wikipedia.org/wiki/Parasitic_number>. ( _n_ is the second in...
plus de 9 ans il y a
A résolu
Counting pulses in a signal
Count the number of pulses that are the result of summing each pulse generator block. Pulse Generator blocks produce a recurr...
plus de 9 ans il y a
A résolu
Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...
plus de 9 ans il y a
A résolu
Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...
plus de 9 ans il y a
A résolu
Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...
plus de 9 ans il y a
A résolu
Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...
plus de 9 ans il y a
A résolu
Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...
plus de 9 ans il y a
A résolu
Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...
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A résolu
Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...
plus de 9 ans il y a
A résolu
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...
plus de 9 ans il y a
A résolu
Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5
plus de 9 ans il y a
A résolu
Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...
plus de 9 ans il y a
A résolu
Generate N equally spaced intervals between -L and L
Given N and L, return a list of numbers (in ascending order) that divides the interval [-L L] into N equal-length segments. F...
plus de 9 ans il y a
Problème
Who am I ?
Who am I ? Write any function that reveals itself under these constraints. Hint: I am combinatorial code, and I don't like stat...
plus de 9 ans il y a | 0 | 12 solveurs
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