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goc3


Last seen: Today |  自 2014 起处于活动状态

Followers: 23   Following: 14

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Member of the Community Advisory Board since its inception | MATLAB enthusiast | Code optimizer | Software tester | Materials scientist / mechanical engineer by degree and licensure | Favorite element: rhenium

Programming Languages:
MATLAB, HTML, CSS
Spoken Languages:
English
Professional Interests:
App Building, Data Analysis, Material Sciences, Statistics, Mechanical Engineering

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Cody

141 个问题
4474 个答案

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Count alternating permutations
In an alternating permutation of numbers 1 to n, the numbers are arranged so that they alternately increase and decrease. For ex...

2 hours 前

已解决


The Tortoise and the Hare - 01
Suppose in an infinitely long line, the hare is standing in position 0. From that place, it can jump either in the +ve direct...

2 hours 前

已解决


Measure the hydraulic conductivity with a falling-head permeameter
A falling-head permeameter is another device for measuring the hydraulic conductivity of a soil sample. In this problem the sam...

2 hours 前

已解决


Find the circle inscribed in a triangle
Write a function that takes the x- and y-coordinates of three points describing the vertices of a triangle and returns the cente...

3 hours 前

已解决


Compute the perimeter of an ellipse
While the area of an ellipse is straightforward to compute, the perimeter (or circumference) is more complicated. The perimeter ...

3 hours 前

已解决


List mean-of-2 primes
The prime number 53 is the average of the first prime before it (47) and the first prime after it (59), and the prime number 11 ...

4 hours 前

已解决


chess position
given the position of a chess piece in algebric notation, convert it into 8 by 8 matrix format. For example, * 'Qd5' >> [3,4]...

4 hours 前

已解决


Yoonir - 02
Find the area of a six-pointed star inscribed in a circle of radius r.

5 hours 前

已解决


Determine whether one vector is a subset of another
While bumbling through a pair of problems in the Number Theory group, I wrote code to determine whether a vector is a subset of ...

5 hours 前

已解决


Tell your secret
A secret can be told only to 2 persons in 5 minutes. Now, these 2 more persons can spread the secret to 4 other people in the ne...

5 hours 前

已解决


Two functions (to be sure)
I want to compute the number of odd/even numbers in an array. But I want the results by two different functions. Example: ...

5 hours 前

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Area-03
There are two circles of equal size are inscribed inside a square. They are tangent to each other. <https://serving.photos.ph...

5 hours 前

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Moving average
A moving average function that returns an array that is equal in length to the input arrays (which can be row or column) A va...

5 hours 前

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Nth Order Polynomial Regression
Inputs: -two vectors x and y (row or column) -order of polynomial, p Outputs: -vector of coefficients [b0 b...

5 hours 前

已解决


GJam 2014 China Rd A: Library Sorting (Large)
This Challenge is derived from <http://code.google.com/codejam/contest/2924486/dashboard#s=p2 GJam 2014 China Sorting>. Subset ...

5 hours 前

已解决


Move Array Element by Offset with Optional Ring Mode
Move Element by Offset Write a function moveab(x, A, B, option) that moves the element at index A in array x by B positions. P...

7 hours 前

已解决


GJam 2017 Kickstart: Parentheses (Large)
This Challenge is derived from <http://code.google.com/codejam/contest/6304486/dashboard#s=p2 GJam 2017 Kickstart Parentheses>. ...

7 hours 前

已解决


How to reverse spdiags?
The spdiags function extracts all nonzero diagonals from the m-by-n matrix A. So if A=[1 2 3;4 5 6;7 8 9], spdiags(A)=[7 4...

23 hours 前

已解决


Pancake sorting - minimum flips.
Sort a stack of pancakes by flipping them using spatula. There are N pancakes with diameters 1:N. Spatula can be inserted anyw...

1 day 前

已解决


Pancake sorting
Sort a stack of pancakes by flipping them using spatula. * There are _N_ pancakes with diameters _1:N_. * Spatula can be ins...

1 day 前

已解决


Rearrange the given matrix to have all its zeros climb up to the top of each column - using for loops.
Given a matrix x, *using loops only* return a matrix y, in which all the zeros have "climbed" up to the top. That is, any zeros ...

1 day 前

已解决


Given a matrix A (size m x n) create a matrix B which consists of matrix A sorted in descending order by columns and then by rows.
--------------- A= [ 2 6 -3 7 12 0 -12 5 1] --------------- B= [12 7 1 6 2 0 5 -3 ...

1 day 前

已解决


feeling VERY lucky?
Just like Matthew's problem 2793 and Edward's problem 2872 (guess the number that Cody is thinking) but now you must solve it in...

1 day 前

已解决


the proud tradition of zero scores in Cody
The short version is: *_your function should return a zero and also have a zero score/size_* The long version comes with a li...

1 day 前

已解决


singularity 2.0 (really hard)
This problem is the continuation of problem <http://www.mathworks.com/matlabcentral/cody/problems/1770-singularity-2-0-harder Si...

1 day 前

已解决


singularity 2.0 (hard)
This problem is the continuation of problem <http://www.mathworks.com/matlabcentral/cody/problems/1769-singularity-2-0-easier Si...

1 day 前

已解决


singularity 2.0 (easier)
If you have been in Cody long enough you have probably run across some badly constructed problems and test suites. This prob...

1 day 前

已解决


Now!
I said now!

1 day 前

已解决


Leave a thumb-up to pass
Just leave a Like, and a comment if you wish. Then wait, and submit.

1 day 前

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