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Sreedhar Arumugam


Last seen: meer dan 3 jaar ago |  Active since 2021

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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...

meer dan 3 jaar 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...

meer dan 3 jaar ago

Solved


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

meer dan 3 jaar 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...

meer dan 3 jaar 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...

meer dan 3 jaar ago

Answered
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...

meer dan 3 jaar ago | 0

Answered
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...

meer dan 3 jaar ago | 0

Answered
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...

meer dan 3 jaar 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...

meer dan 3 jaar 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, ...

meer dan 3 jaar 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 ...

meer dan 3 jaar ago

Solved


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...

meer dan 3 jaar ago

Solved


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...

meer dan 3 jaar 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...

meer dan 3 jaar 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...

meer dan 3 jaar ago

Solved


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...

meer dan 3 jaar ago

Solved


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

meer dan 3 jaar ago

Solved


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 ...

meer dan 3 jaar ago

Solved


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...

meer dan 3 jaar ago

Solved


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...

meer dan 3 jaar ago

Solved


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...

meer dan 3 jaar ago

Answered
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...

meer dan 3 jaar ago | 0

Answered
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...

meer dan 3 jaar 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 ...

meer dan 3 jaar ago

Solved


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...

meer dan 3 jaar ago

Solved


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 ...

meer dan 3 jaar ago

Solved


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...

meer dan 3 jaar ago

Answered
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...

meer dan 3 jaar ago | 0

| accepted

Answered
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)...

meer dan 3 jaar ago | 0

Answered
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),...

meer dan 3 jaar ago | 0

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