Woodall number
Test whether the input is a Woodall number: <http://en.wikipedia.org/wiki/Woodall_number>
_Please do not cheat by simply chec...
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Find all vampire fangs
A <http://en.wikipedia.org/wiki/Vampire_number vampire number> is a
number v that is the product of two numbers x and y such th...
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Fangs of a vampire number
A <http://en.wikipedia.org/wiki/Vampire_number vampire number> is a number v that is the product of two numbers x and y such tha...
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Find vampire numbers
A <http://en.wikipedia.org/wiki/Vampire_number vampire number> is a
number v that is the product of two numbers x and y such th...
Bell Triangle
Form the bell triangle upto nth bell number posotion;
* if n=5
*
y= [1 0 0 0 0;
1 2 0 0...
約5年 前
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Be happy
check whether the given number is happy in b-base.
* A happy number can be defined as a number which will yield 1 when it is ...
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Frugal number
check whether n is a frugal number
* a frugal number is a natural number in a given number base that has more digits than the...
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Pell numbers
Find the nth pell number
<https://en.wikipedia.org/wiki/Pell_number>
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Pseudo-vampire number
refer to <https://en.wikipedia.org/wiki/Vampire_number>
Given a number x, determine whether it is a pseudo-vampire number.
...
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Evil Number
Check if a given natural number is evil or not.
Read more at <https://oeis.org/A001969 OEIS>.
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Modify subscripts - easier
MATLAB supports object-oriented programming. Let's take an advantage of it in cody.
This problem focus on modifying subscript...
Function minimization - beat fminbnd!
Matlab's fminbnd function finds a minimizer of a function within an interval. If often gets stuck in local minima.
Can you do...
約5年 前
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Bounding Circle
The Bounding Circle is the smallest enclosing circle to a given set of points on a plane <https://en.wikipedia.org/wiki/Smallest...