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James


Last seen: 1日 前

Naval Surface Warfare Ctr

3,092 2012 年以降の合計貢献数

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James's バッジ

  • Cody 5th Anniversary Author
  • Scavenger Finisher
  • Thankful Level 2
  • First Answer
  • Likeable
  • Community Group Solver
  • Introduction to MATLAB Master
  • First Review
  • Computational Geometry IV Master
  • Indexing V Master
  • Project Euler I
  • Draw Letters
  • Cody Problems in Japanese Master
  • Number Manipulation II Master
  • Matrix Patterns III Master

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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=[...

1日 前

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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...

2日 前

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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...

6日 前

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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].

6日 前

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

6日 前

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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...

6日 前

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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]

6日 前

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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 (...

6日 前

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Square
X is a number, write a code, where Y should be the square of X.

6日 前

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Matrix problem for beginners
Make a matrix [0,0,0;1,1,1;2,2,2]. X=[0,1,2]

6日 前

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Find Pseudo-Cyclic Number
A cyclic number is an integer in which cyclic permutations of the digits are successive multiples of the number https://en.wikip...

6日 前

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Area of rhombus
Calculate the rhombus area

6日 前

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Optimum Egyptian Fractions
Following problem was inspired by <http://www.mathworks.com/matlabcentral/cody/problems/2126-split-bread-like-the-pharaohs-egypt...

28日 前

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Pandigital number n°3 (Inspired by Project Euler 32)
After Problem 2319 and 2320. An n-digit number is pandigital if it makes use of all the digits 1 to n exactly ONCE. For examp...

28日 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.

28日 前

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Bridge and Torch Problem - Minimum time
<https://en.wikipedia.org/wiki/Bridge_and_torch_problem Details of the problem ...> Input is crossing time list. (for exampl...

29日 前

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find

約1ヶ月 前

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Multiplying

約1ヶ月 前

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divide by 5

約1ヶ月 前

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Solve a ballot counting problem

約1ヶ月 前

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Matrix for beginners
Multiply x and y elemwise.

約1ヶ月 前

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Moving Product (Easy)
Given an input array A, write a function *movprod(A,k,dim)* to calculate the moving product over a sliding window of length *k* ...

約1ヶ月 前

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RISK Calculator - Large Armies, High Accuracy, Fast
This Challenge is to quickly provide the high precision probability of legal RISK battles up to 100 vs 100. [ Attack >= 2 and D...

約1ヶ月 前

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Create a matrix map of increasing safety levels
The sole nuclear power plant at Grid City suddenly had a meltdown. Luckily, the plant was designed to be in full automation, so ...

6ヶ月 前

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Count the number of folds needed to pack a large sheet
In a certain paper factory, large sheets of paper are being made every day. Before sending the sheets for shipment, they have to...

6ヶ月 前

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Convert a temperature reading from Celsius to an unknown scale
Two of the most famous temperature scales are the Celsius and the Fahrenheit scale. In reality, however, there are so many other...

6ヶ月 前

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leap year
find the number of leap years within the given time interval

6ヶ月 前

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Friday or not
I love Friday. Please tell me whether the day is Friday. Dateformat is 'yyyy-mm-dd' or 'dd-mmm-yyyy' or 'mm/dd/yyyy'. Exa...

6ヶ月 前

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Count the days
Count the occurrence of a particular day (e.g. Monday) in a given year.

6ヶ月 前

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Exponentiation
Given 3 integers b,e,k; find -- mod(b^e,k)

6ヶ月 前

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