Xiaoli Zhang
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A résolu
Volume of a box
Given a box with a length a, width b, and height c. Solve the volume of the box.
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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 ...
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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 ...
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nth Rational Number
Return the nth rational number. This is the inverse to Problem <http://www.mathworks.com/matlabcentral/cody/problems/1471 1...
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Polygonal numbers
The task of <http://www.mathworks.co.uk/matlabcentral/cody/problems/5 Problem 5> is to calculate triangular numbers. By playing ...
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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...
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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...
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N-th Odious
Given index n return n-th <https://oeis.org/A000069 odious number>.
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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 ...
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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...
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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...
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Perfect Square or not
find Given input x is perfect square or not,if yes then output y=1.else y=0
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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...
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Writing a while loop
Write a while loop that continues to increment userValue by 5 until userValue is less than 0.
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Food safety
Assign safeTemperature with 1 if foodTemperature is less than 40 or greater than 165.
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Derivative of polynomial
Compute the derivative of a given polynomial. The input is an <http://www.mathworks.com/help/matlab/math/representing-polynomial...
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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...
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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...
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Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse
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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...
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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 ...
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Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346
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Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.
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Duplicate a character
Duplicate a character 'n' times. Example 1: str='a' n=5 output='aaaaa' Example 2: str='*' n=3 output='***'
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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. ...
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Volume of this donut
Given hole diameter a, and outermost diameter b, determine the volume y of the resulting donut.
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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...
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