jinjin lee

Last seen: 2 días hace | Con actividad desde 2020

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Geometry Fractal GIS

Programming Languages:
MATLAB
Spoken Languages:
Chinese
Professional Interests:
Fractals

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MagicRule
MagicRule is a highly intellectual toy, Let's explore it together!

6 meses hace | 6 descargas |

Resuelto

Throwing Dice - Will You Be Eaten By The Dragon?
You and a dragon have agreed to let dice rolls determine whether it eats you or not. The dragon will roll a single die, of x ...

más de 1 año hace

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Chess probability
The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...

más de 1 año hace

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Make a Plot with Functions
Make a plot and test

más de 1 año hace

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Smallest distance between a point and a rectangle
Given two points *x* and *y* placed at opposite corners of a rectangle, find the minimal euclidean distance between another poin...

más de 1 año hace

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Project Euler: Problem 5, Smallest multiple
2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the smalle...

más de 1 año hace

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Project Euler: Problem 3, Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

más de 1 año hace

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Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

más de 1 año hace

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The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

más de 2 años hace

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Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

alrededor de 3 años hace

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Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

alrededor de 3 años hace

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Converts numbers into characters
Converts numbers into characters

alrededor de 3 años hace

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Find the max element of the array
Find the max element of the array

alrededor de 3 años hace

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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.

alrededor de 3 años hace

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Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

alrededor de 3 años hace

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to the 2 all elements
to the 2 all elements

alrededor de 3 años hace

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the average value of the elements
Calculate the average value of the elements in the array

alrededor de 3 años hace

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Double all elements in the array
Duplicate all elements in the array

alrededor de 3 años hace

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calculate the length of matrix
input 1 array, calculate the length

alrededor de 3 años hace

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Draw a '0' in a one matrix!

alrededor de 3 años hace

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Clockwise or Counterclockwise
Given a list of 2-d points defining the vertices of a polygon, determine whether these points are sorted clockwise. The input...

más de 3 años hace

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Covering area
As an extension of the problem <http://www.mathworks.com/matlabcentral/cody/problems/416-polygon-area>, find the area, bounded b...

más de 3 años hace

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Spherical radius given four points
Determine the radius of a sphere provided four non-coplanar points on the surface of the sphere. pts = [x1 y1 z1; x...

más de 3 años hace

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Great Circle Distance
Find shortest between two points on a ball given their azimuthal and polar angles (in degrees) as well as the radius of the sphe...

más de 3 años hace

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Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

más de 3 años hace

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Are you in or are you out?
Given vertices specified by the vectors xv and yv, and a single point specified by the numbers X and Y, return "true" if the poi...

más de 3 años hace

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Circumscribed circles
Given the lengths of the 3 sides of a triangle, output the radius of the circumscribed circle. Example: [3 4 5] -> 2.5

más de 3 años hace

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Similar Triangles - find the height of the tree
Given the height, h1, of a power pole, shorter than a tree, a given distance, x2 away, please find h2, height of the tree. Pleas...

más de 3 años hace

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Angle between two vectors
You have two vectors , determine the angle between these two vectors For example: u = [0 0 1]; v = [1 0 0]; The a...

más de 3 años hace

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Clock Hand Angle 1
Given a time in HH:MM:SS, find the smallest angle (in degrees) between the hour and minute hand

más de 3 años hace

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