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William


Last seen: Today |  Active since 2012

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Semi-retired physicist with interests in numerical modeling and mathematics.

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addition
1+x = 18

20 hours ago

Solved


addition
1+x = 17

20 hours ago

Solved


addition
1 + x =16

20 hours ago

Solved


addition
1+ x = 15

20 hours ago

Solved


addition
1+x = 14

20 hours ago

Solved


addition
x+ 1 = 13

20 hours ago

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addition
1+ x =12

20 hours ago

Solved


addition
1+ x = 11

20 hours ago

Solved


addition
1 +x =10

20 hours ago

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addition
1+ x = 9

20 hours ago

Solved


addition
1+x = 8

20 hours ago

Solved


addition
1 + x = 7

20 hours ago

Solved


addition
1+ x = 6

20 hours ago

Solved


addition
addition 1 +x to get 5

20 hours ago

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addition
added 1 + x to get 4

20 hours ago

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addition
adding 1 + x to get 3

20 hours ago

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List the ways to write 1/n as the sum of two unit fractions
Cody Problem 59841 involved counting the ways that can be written as the sum of two unit fractions (those with a numerator of 1...

4 days ago

Solved


Count the ways to write 1/n as the sum of two unit fractions
The number 1/2 can be written as 1/3+1/6 and 1/4+1/4, and the number 1/9 can be written as 1/18+1/18, 1/12+1/36, and 1/10+1/90. ...

4 days ago

Solved


List the segmented numbers
The sequence of segmented numbers begins 1, 2, 4, 5, 8, 10, 14, 15, 16. Notice that none of the terms is the sum of consecutive ...

4 days ago

Solved


Out-of-Place Elements Count
Determine the number of elements in a list of integers that are not in their original order after sorting the list in ascending ...

5 days ago

Solved


Determine if the square root is an integer.
Write code that returns true if perfect square and returns false if square root is not an integer.

6 days ago

Solved


Calculate the Area of the Ring
You have Ring which consist of inner and outer Circles with Radius r and R which are not given but you'll be given Hprizontal ...

12 days ago

Solved


Determine whether a number is a Gaussian prime
A Gaussian prime is a number that cannot be factored. For example, is not a Gaussian prime because it can be factored as the p...

12 days ago

Solved


Sequencing Odd Even numbers
Given an input value n, create a vector which contains all odd numbers & even numbers centered around mean of vector. If the me...

12 days ago

Solved


Extract Increasing Integers from Digit String
Given a string containing only digits, the function get_integers should return the list of increasing integers obtained by readi...

17 days ago

Solved


Matrix Rotation
Write a MATLAB function that rotates a given matrix by 90 degrees clockwise. The rotation should be performed in-place, without ...

17 days ago

Solved


Palindrome Checker
Create a MATLAB function that checks whether a given string is a palindrome or not. A palindrome is a word, phrase, number, or o...

17 days ago

Solved


Sun angle
Determine the angle of the sun above the horizon based on the time of day. Assumptions: the sun rises in the East at 6h00, cor...

18 days ago

Solved


Replace with Lower
Given a list of integers, for each element, replace it with the minimum integer found in the sub-list to its strict right (exclu...

18 days ago

Solved


Sort by absolute value
Given a list of numbers, arrange them in ascending order based on their absolute values. For example, for the list [-30, -5, 1...

18 days ago

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