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Sreedhar Arumugam


Last seen: 2 years 前 |  自 2021 起处于活动状态

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已解决


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...

2 years 前

已解决


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...

2 years 前

已解决


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

2 years 前

已解决


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...

2 years 前

已解决


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...

2 years 前

已回答
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...

2 years 前 | 0

已回答
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...

2 years 前 | 0

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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...

2 years 前 | 0

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

2 years 前

已解决


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, ...

2 years 前

已解决


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 ...

2 years 前

已解决


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...

2 years 前

已解决


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...

2 years 前

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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...

2 years 前

已解决


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...

2 years 前

已解决


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...

2 years 前

已解决


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

2 years 前

已解决


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 ...

2 years 前

已解决


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...

2 years 前

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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...

2 years 前

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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...

2 years 前

已回答
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...

2 years 前 | 0

已回答
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...

2 years 前 | 0

已解决


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 ...

2 years 前

已解决


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...

2 years 前

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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 ...

2 years 前

已解决


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...

2 years 前

已回答
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...

2 years 前 | 0

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已回答
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)...

2 years 前 | 0

已回答
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),...

2 years 前 | 0

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