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Xiaoli Zhang


自 2016 起处于活动状态

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  • Magic Numbers Master
  • Tiles Challenge Master
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  • ASEE Challenge Master
  • CUP Challenge Master
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已解决


Volume of a box
Given a box with a length a, width b, and height c. Solve the volume of the box.

6 years 前

已解决


Generate a Parasitic Number
This problem is the next step up from Problem 156. Rather than determining if an input is a parasitic number, you will be asked ...

7 years 前

已解决


Generalised Hamming Number
Inspired by Project Euler n°204 and Problem 1308 by James A generalised Hamming number of type n, has no prime factor larger ...

7 years 前

已解决


nth Rational Number
Return the nth rational number. This is the inverse to Problem <http://www.mathworks.com/matlabcentral/cody/problems/1471 1...

7 years 前

已解决


Polygonal numbers
The task of <http://www.mathworks.co.uk/matlabcentral/cody/problems/5 Problem 5> is to calculate triangular numbers. By playing ...

7 years 前

已解决


Polite numbers. Politeness.
A polite number is an integer that sums of two or more consecutive positive integers. Politeness of a positive integer is a num...

7 years 前

已解决


For loops: Odds sum
Write a for loop that assigns summedValue with the sum of all odd values from 1 to userNum. Assume userNume is always greater th...

7 years 前

已解决


N-th Odious
Given index n return n-th <https://oeis.org/A000069 odious number>.

7 years 前

已解决


Bell Number calculator
Calculate a vector of Bell numbers for sets up to length n. Bell numbers are the maximum number of partitions of a set. See the ...

7 years 前

已解决


Polite numbers. N-th polite number.
A polite number is an integer that sums of at least two consecutive positive integers. For example _7 = 3+4_ so 7 is a polite...

7 years 前

已解决


Bridge toll
Complete the example to calculate finalToll. The base toll for a bridge is baseToll. If the vehicle's weight is over 5,000 pound...

7 years 前

已解决


Perfect Square or not
find Given input x is perfect square or not,if yes then output y=1.else y=0

7 years 前

已解决


Find the logic
There exists one logic in between input and output. Find it (easy math). Example 1: x=13 then y=339; Example 2: x=26...

7 years 前

已解决


Writing a while loop
Write a while loop that continues to increment userValue by 5 until userValue is less than 0.

7 years 前

已解决


Food safety
Assign safeTemperature with 1 if foodTemperature is less than 40 or greater than 165.

7 years 前

已解决


Derivative of polynomial
Compute the derivative of a given polynomial. The input is an <http://www.mathworks.com/help/matlab/math/representing-polynomial...

7 years 前

已解决


Sophie Germain prime
In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...

7 years 前

已解决


Is it an Armstrong number?
An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Fo...

7 years 前

已解决


Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

7 years 前

已解决


Gauss Eliminate 2-by-2 example
Use forward elimination to make the coefficient matrix, A, an upper triangular matrix, and then solve using back substitution, f...

7 years 前

已解决


While loop: Summation
Write a while loop that assigns summedValue with the sum of all values from 1 to userNum. Assume userNum is always greater than ...

7 years 前

已解决


Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

7 years 前

已解决


Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.

7 years 前

已解决


Duplicate a character
Duplicate a character 'n' times. Example 1: str='a' n=5 output='aaaaa' Example 2: str='*' n=3 output='***'

7 years 前

已解决


matrix of natural number
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 resides seially as shown in the examples below. ...

7 years 前

已解决


Volume of this donut
Given hole diameter a, and outermost diameter b, determine the volume y of the resulting donut.

7 years 前

已解决


ASCii Code
Using Matlab get the ASCii for '?'

7 years 前

已解决


Swap two numbers
Example Input: a = 10 b = 20 Output a = 20 b = 10

7 years 前

已解决


DC chopper
Input x is the sampled signal vector, may have both AC and DC components. output vector y should have AC components removed then...

7 years 前

已解决


Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

7 years 前

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