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# Jonathon Chang

##### Last seen: 4 months ago
623 total contributions since 2020

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Detect pair of equal values in a Matrix
A 2D matrix of 2 rows and N columns with random integer numbers. A = [3 1 2 4 6 6 7; 7 3 2 1 5 2 4] ...

4 months ago

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Find the missing numbers.
Total *N* numbers are in the series of natural numbers ( *1,2,3,...,N* ). The input is an array (unsorted) of those natural num...

4 months ago

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generate number in particular way
A = [1 5 2 7]; MAX = 10; generate a array Y = [1 2 2 2 2 2 3 3 4 4]; i.e. total eleme...

4 months ago

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Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

4 months ago

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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?

4 months ago

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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?

4 months ago

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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?

4 months ago

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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?

4 months ago

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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?

4 months ago

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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?

4 months ago

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Square root of number
Square root of given number.

4 months ago

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Perfect Square or not
find Given input x is perfect square or not,if yes then output y=1.else y=0

4 months ago

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multiply by three
Given the variable x as your input, multiply it by 3 and put the result equal to y. Examples: Input x = 2 Output y is ...

4 months ago

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Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

4 months ago

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Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

4 months ago

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

4 months ago

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Divide by 4
Given the variable x as your input, divide it by 4 and put the result in y.

4 months ago

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Divide by 4
Given the variable x as your input, divide it by four and put the result in y.

4 months ago

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matrix rows and columns

4 months ago

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Create an m x n array consisting only of an input value.
Create an array with m rows and n columns wherein all entries are assigned the input value x.

4 months ago

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Replace Nan!
Replace Nan in the given vector(v) with 9999.

4 months ago

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Find the efficiency

4 months ago

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Diagonal Prod

4 months ago

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F.R.I.E.N.D.S

4 months ago

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F.R.I.E.N.D.S

4 months ago

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Remnant

4 months ago

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Sort accordingly

4 months ago

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Swap

4 months ago