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Tom Hawthorn


Last seen: 9 days 前 |  自 2022 起处于活动状态

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Change the sign of even index entries of the reversed vector
change the signs of the even index entries of the reversed vector example 1 vec = [4 -1 -2 9] ans = [9 2 -1 -4] example2...

1 month 前

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Find nth maximum
Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

2 months 前

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Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

2 months 前

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Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

2 months 前

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Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

2 months 前

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Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

2 months 前

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Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

2 months 前

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Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

2 months 前

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Create sequnce 1 4 9 16 25.........
Create sequnce 1 4 9 16 25......... upto entered input value using matlab scripting commands. Let y be output and x be input

2 months 前

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Find the Best Hotels
Given three input variables: hotels - a list of hotel names ratings - their ratings in a city cutoff - the rating at which yo...

2 months 前

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De-primed
Write a function that will multiply every prime number in the array or matrix by two, leaving all other numbers the same, and re...

2 months 前

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Evened up (or not)
You will be provided with an array or matrix that contains various numbers, in addition to an evening variable, e, set to 1 or 0...

2 months 前

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Find last zero for each column
Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero...

2 months 前

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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...

2 months 前

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Create an index-powered vector
Given a input vector x, return y as index-powered vector as shown below. Example x = [2 3 6 9] then y should be [...

2 months 前

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Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

2 months 前

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Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

2 months 前

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Converts numbers into characters
Converts numbers into characters

2 months 前

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to the 2 all elements
to the 2 all elements

2 months 前

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Draw a '0' in a one matrix!

2 months 前

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the average value of the elements
Calculate the average value of the elements in the array

2 months 前

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Find the max element of the array
Find the max element of the array

2 months 前

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Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

2 months 前

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Double all elements in the array
Duplicate all elements in the array

2 months 前

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calculate the length of matrix
input 1 array, calculate the length

2 months 前

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Flipping
Write code that can reverse the vector without using any sort of loop. Example Given the input vector A = [ 1 2 3 4 5...

2 months 前

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Flip the bit
Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').

2 months 前

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Flipping a Matrix
Flipping matrix up and down. If a central row is exists, leave it, and flip remaining rows. Example Mat = magic(3) ...

2 months 前

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Swap two numbers
Example Input: a = 10 b = 20 Output a = 20 b = 10

2 months 前

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Half-Swap
Given a vector with an even number of elements, rearrange it so that the elements in its first half are switched with those i...

2 months 前

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