# Sreedhar Arumugam

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**Content Feed**

Solved

Pattern matching

Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

3 Monate ago

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Find the peak 3n+1 sequence value

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

3 Monate ago

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Prime factor digits

Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...

3 Monate ago

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Remove the polynomials that have positive real elements of their roots.

The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the roots of the p...

3 Monate ago

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Interpolator

You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

3 Monate ago

Overfitting in Neural Network

You could use the accuracy metric from the confusion matrix to determine if the model is overfitting. The performance can be m...

3 Monate ago | 0

Iteratively solving equations in MATLAB

You can find a similar MATLAB answer to <https://in.mathworks.com/matlabcentral/answers/490875-solve-an-equation-through-iter...

3 Monate ago | 0

a code that compute numbers and numbers does not !

I am assuming you want to compute interest based on the frequency of compounding. Your switch statement is with respect to n...

3 Monate ago | 0

Solved

Encode Roman Numerals

Create a function taking a non-negative integer as its parameter and returning a string containing the Roman Numeral representat...

3 Monate ago

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Elapsed Time

Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

3 Monate ago

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Find all elements less than 0 or greater than 10 and replace them with NaN

Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

3 Monate ago

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Return the largest number that is adjacent to a zero

This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

3 Monate ago

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Bullseye Matrix

Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

3 Monate ago

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Function Iterator

Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

3 Monate ago

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Remove the vowels

Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

3 Monate ago

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Return the 3n+1 sequence for n

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

3 Monate ago

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Duplicates

Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

3 Monate ago

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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 ...

3 Monate ago

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Finding Perfect Squares

Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

3 Monate ago

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QWERTY coordinates

Given a lowercase letter or a digit as input, return the row where that letter appears on a standard U.S. QWERTY keyboard and it...

3 Monate ago

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Find the longest sequence of 1's in a binary sequence.

Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

3 Monate ago

How to change Axes values to 'String' instead of 'numbers' on Simulink Scope?

It is my understanding that you are asking why the y-axis is displaying the values as strings such as 'first', 'second' and so o...

3 Monate ago | 0

Help, how to replace the values of a ones matrix with vectors in each column

I am assuming you are solving a PDE in 1 dimension. You can check out MATLAB's PDE solver which returns the solution as a 3-D ar...

3 Monate ago | 0

Solved

Remove all the words that end with "ain"

Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...

3 Monate ago

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Pascal's Triangle

Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

3 Monate ago

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Replace NaNs with the number that appears to its left in the row.

Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

3 Monate ago

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Which values occur exactly three times?

Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

3 Monate ago

How to convert decimal to binary which includes decimal values for eg 1.25.

It is my understanding that you want to convert a floating point number in decimal format to its binary equivalent. The de2bi a...

3 Monate ago | 0

| accepted

How to plot or mark the centroid of each cluster in the output image?

I am assuming you're using the built-in function of MATLAB to perform k-means clustering of your data. [idx,C] = kmeans(data,6)...

3 Monate ago | 0

Simple question for using 'for loop'

Your code always iterates over the odd indices from 1 to 10. Line 2 of your code -> a(n) = 2^n stores the values in a(1), a(3),...

3 Monate ago | 0