Community Profile # James

### Naval Surface Warfare Ctr

Last seen: 11 months ago Active since 2012

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Last non-zero digit
Given a number n, find the last non-zero digit of the factorial of that number. You need to take care of the large values of n....

11 months ago

Solved

Brain Teaser Solver
Write an algorithm to solve this brain teaser: You have a square that is broken into four triangles, the area of three of tho...

11 months ago

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List the emirps

11 months ago

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One-hot encoding

11 months ago

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Volume of a sphere

12 months ago

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Area of a pentagon
Given the side of a regular pentagon and its apothem return the area of pentagon. Remember the area of pentagon is calculate ...

12 months ago

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Compute Khinchin's constant
Khinchin's constant K_0 = 2.684542001... (also written "Khintchine's constant") has the amazing property that it is the limiting...

12 months ago

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Compute the nth Pythagorean prime
Pythagorean primes have the form p = 4n+1, where n is an integer, and they can be written as the sum of squares of two integers....

12 months ago

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Set the Euler-Mascheroni constant with an identity using available MATLAB functions
Cody Problem <https://www.mathworks.com/matlabcentral/cody/problems/42826 42826> asked us to estimate the <https://en.wikipedia....

12 months ago

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Set Soldner's constant

12 months ago

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Ackerman Function

12 months ago

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Find jumping medalists

12 months ago

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i was a mistake

12 months ago

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Award medals to winners

12 months ago

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Beat the RNG - EASY

12 months ago

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Factorize uniquely! (★★)

12 months ago

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Calculate the sum of two polynomials
Calculate the sum of two polynomials if they are written in notation with their coefficients. example: a=[3 4 5]; b=[...

12 months ago

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Power supply: 230V to 115V
The problem is simple: we have a wall outlet which supplies 230V and an apparatus that requires 115V. Software is always chea...

12 months ago

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Mid-term report
You just got your mid-term report, but it's full of ones and twos :(. So before you give it to your parents, you change it, in o...

1 year ago

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Simple Matrix
Make the following matrix without typing it in one by one. [1 2 3; 2 4 6; 4 8 12] x=[1 2 3].

1 year ago

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Box
Give the volume of a box, x is equal to the body diagonal.

1 year ago

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Problem for beginners
Suppose that x is a column vector, with at least a length of 6. Delete the 2., 6., and the second last row. Example: X=[1;2;3...

1 year ago

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Problem for beginners
M is a nxm matrix. Swap the fist and the second last column with eachother. X=[1 2 3;4 5 6;7 8 9] Y=[2 1 3;5 4 6;8 7 9]

1 year ago

Solved

Stairs
Make an n by n matrix, where the elements are ones and zeros. In the main diagonal, and under that, there should be only ones (...

1 year ago