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It's race time again! Write a function that is at least twice as fast as the test suite call of repmat().
Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x. This must be done in l...

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Minefield Sonar
*Background* In mine-hunting games (e.g. Microsoft Minesweeper), the user is provided with a covered grid that, upon a left c...

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How many bottles can you drink?
Sometimes if you buy a drink in a glass bottle you can return that bottle and get some money back. Let's assume we have "x" a...

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Count me in
Count the number of occurrences of the second input in the first input Ex. x1 = 12344455511; x2 =2; output = 1 ...

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Create sine function out of cosine
Please don't use sin(x) directly

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Implement zero-based indexing for Matrices
Given an input vector and position (which is zero based) output the value Example: x = [1 2; 4 5] pos = [0 1] value = 5 ...

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Narcissistic problem
How many likes has this problem?

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Which coins to give
I was in shop today. I admired, how shop assistant had to think, which coins to give me. The task is we have a vector v=[0.5 0....

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cross in array
Make a cross from "1" in odd size array. Other value from array should be equal to "0"; As input you get length of side of arra...

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Second smallest number
What is the second smallest number in x? example: x = [1 2 3 4 5 6 7 8 9] y = 2

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Reverse the input
Given an input (n), produce an output in the reverse order with out using string variables or string function. Example x ...

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Find 1's Complement
Find 1's complement of a binary number For Example: x = 10011010 1's complement of x = 01100101

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Replace all odd numbers with NaN
Replace all odd numbers in the vector or matrix with NaN. For example, if x = [1 3 4 5 8 11]; then return y = [NaN Na...

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matrix zigzag
Unfold a 2-D matrix to a 1-D array in zig-zag order, e.g., for matrix [ 1 2 3 ; 4 5 6 ; 7 8 9 ] the resulting 1-...

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Go back n times
You will be given a column vector (such as x = [1; 2; 3; 4; 5; 6]). If (n=3) you will return following; [ 1 NaN NaN NaN ...

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Pattern Recognition 1 - Known Unit Length
You will be given various arrays, composed of numbers or strings. For this problem, the known pattern unit length is three. Writ...

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Problema

Exponents in Factorials(hard)
This is problem is a harder version of "Problem 44747. Exponents in Factorials". <https://ww2.mathworks.cn/matlabcentral/cody/p...

casi 8 años hace | 1 | 11 solvers

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Exponents in Factorials
It's time to get excited about numbers!!! Well, we're just dealing with factorials here, but it's still a good reason to get ex...

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Find all repeated numbers
For a given vector, find all numbers that repeated 2 times or more than 2 times. Example: A=[1 2 3 3 4 5 6 6 7] y=[3 ...

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Second Diagonal
Transpose the matrix from it's second diagonal.

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Percentage of zeros in a matrix of only 1s and 0s
Write a function called _zero_stat_ that takes a matrix as an input that only has 0 and 1 elements. The function needs to comput...

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Elements with highest local average
Input v is a row vector such that length(v)>3. Consider a sliding window of length 3 that is used to calculate the local average...

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expand intervals
You're given a row vector of an even number of monotonically increasing integers. Each pair of consecutive integers is the lower...

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A matrix of introverts
You are given a matrix full of numbers who happen to be very shy. Write a MATLAB function that will put a square of zeros aroun...

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A matrix of extroverts
Now that the introverts have had their script, the extroverts spoke up (naturally!) and demanded one as well. You will be given...

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Calculate the Levenshtein distance between two strings
This problem description is lifted from <http://en.wikipedia.org/wiki/Levenshtein_distance>. The Levenshtein distance betwee...

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What is the next step in Conway's Life?
Given a matrix A that represents the state of <http://en.wikipedia.org/wiki/Conway's_Game_of_Life Conway's game of Life> at one ...

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Vector Multiplication
Vector Multiplication of three matrix as shown in test cases.

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Set defaults
Write a function that computes the volume of a cube. The function should be able to accept three inputs: the length, width, and...

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Is it column vector?
Is it column vector? Check vector for column vector without using iscolumn function.

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