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Muthu Annamalai

MathWorks

Active since 2012

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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

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Solved


First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];

mer än 9 år ago

Answered
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...

mer än 9 år ago | 0

Answered
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 ...

mer än 9 år ago | 0

Answered
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...

mer än 9 år ago | 1

Answered
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 ...

mer än 9 år ago | 0

Solved


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...

nästan 10 år ago

Solved


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 ...

nästan 10 år ago

Solved


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....

nästan 10 år ago

Solved


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...

nästan 10 år ago

Solved


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...

nästan 10 år ago

Solved


Rank of matrix
Find the rank of given matrix

nästan 10 år ago

Answered
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...

nästan 10 år ago | 0

Answered
Orthogonalization of time series data
Sounds like eig maybe useful, and you may find *principal component analysis* (PCA) of interest too. See <http://www...

nästan 10 år ago | 0

Answered
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 ...

nästan 10 år ago | 0

Answered
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...

nästan 10 år ago | 0

Solved


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...

nästan 10 år ago

Solved


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...

nästan 10 år ago

Solved


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...

nästan 10 år ago

Solved


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...

nästan 10 år ago

Solved


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...

nästan 10 år ago

Solved


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...

nästan 10 år ago

Solved


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...

nästan 10 år ago

Solved


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...

nästan 10 år ago

Solved


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...

nästan 10 år ago

Solved


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 ...

nästan 10 år ago

Solved


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...

nästan 10 år ago

Solved


Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

nästan 10 år ago

Solved


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 --> ...

nästan 10 år ago

Solved


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...

nästan 10 år ago

Problem


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...

nästan 10 år ago | 0 | 12 solvers

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