Community Profile # cokakola

Last seen: 1 month 前 自 2016 起处于活动状态

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Kolakoski Sequence
This is a modified version of the kolakoski sequence. Refer to the problem <https://www.mathworks.com/matlabcentral/cody/p...

1 month 前

Quarantine Days
In these quarantine days, a list of what Max may do on a typical day is given in a table with the starting hour to ending hour. ...

1 month 前

The Tortoise and the Hare - 02
Previous problem <https://www.mathworks.com/matlabcentral/cody/problems/45425-the-tortoise-and-the-hare-01> Suppose in an inf...

1 month 前

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...

1 month 前

Open coded lock.
Guess the <hint://fliplr(anchortext) password> or break the <2314/solutions/new#test_suite_body lock>.

6 months 前

Modify subscripts
MATLAB supports object-oriented programming. Let's take an advantage of it in cody. This problem starts <http://uk.mathworks....

6 months 前

Modify subscripts - easier
MATLAB supports object-oriented programming. Let's take an advantage of it in cody. This problem focus on modifying subscript...

6 months 前

Jump Search - 02
Find the number of leaps you need to take to find the 'first occurrence' of an element in an array using the jump search algorit...

6 months 前

the fly, the train, the second train, and their Zeno's paradox
*You have heard this one*: A train leaves station _A_ and travels with constant velocity _v1_. A second train leaves station _B_...

6 months 前

Solve an ODE: first-order linear equation
In the fall semester of [redacted], my professor for a course on ordinary differential equations said, “There are two groups of ...

6 months 前

A <http://en.wikipedia.org/wiki/Word_ladder word ladder> transforms one word to another by means of single-letter mutations. So ...

6 months 前

French Conundrum
The French army is trapped, sorrounded in backwards direction (South and West directions) by enemy traps and ambushes. You are n...

6 months 前

how to determine is a point is inside, on or outside a polygon?
design function determines whether the point is inside a contour, outside, or lies on an edge (or coincides with a vertex). It r...

6 months 前

Testing for randomness: uniform distribution of integers
On Cody several problems have been set up asking players to generate one or more 'random' numbers. Usually they are asking for ...

6 months 前

6 months 前

Easy Sequences 75: Easy as Pisano Pi
Pisano period , of an integer , is the period in which the sequence of Fibonacci numbers modulo repeats. For example it is not ...

6 months 前

Calculate the height of an object dropped from the sky
Assume that an object is dropped from 1000 meters above the surface of the earth at time t=0. The object is dropped such that t...

6 months 前

The most decentralized RGB colors

6 months 前

Exhaust all possible logical vectors
Input a length argument and list all possible logical vectors of that length. My solution is of size 29. Can you find an even s...

7 months 前

surface of a spherical planet
you just discovered its circumference, that is the input.

7 months 前

Is the number of 1s in a binary integer odd or even?
Your function should turn the input integers into binary form and count the number of 1s in the binary. If the number is odd, re...

7 months 前

Undocumented MATLAB tricks No. 2 - Tell the parfor index
Your function is called in multiple for-loops, and the loop indices are given to your function. One of these indices are from a ...

7 months 前

Undocumented MATLAB tricks No. 1 - Save a function-returned struct
Often we face the case when we want to save a function-returned struct to a mat file with each of its field as individual variab...

7 months 前

String to Binary Representation
Given a string, convert it using UTF-8 into a binary array where each character or byte is arraigned low to high. For example: ...

7 months 前

Binary Array to Hex Representation
Given a binary array of bytes (lsb to msb), convert it into a hexadecimal representation (msb to lsb). For example: Input: [1 ...

7 months 前

center of mass
R is a given matrix with size [n,2]. R(i,:) is interpreted as the 2D-position of a mass point with mass i. Calculate the center ...

7 months 前

jumping astronauts
The surface gravity on the moon is approximately 2 m/s^2. Thats why an funny astronauts feels as light as a feather and jumps fr...

7 months 前

Babylonian method
Calculate the square root of a given positive number a using the Babylonian method (https://en.wikipedia.org/wiki/Methods_of_co...

7 months 前