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Binbin Qi


Last seen: Today

China University of Petroleum

4.356 total contributions since 2009

Professional Interests: Machine Learning/ Math/ Geophysics

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  • Computational Geometry I Master
  • Matrix Patterns II Master
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Solved


Estimate π from certain values of the zeta function
Cody Problems <https://www.mathworks.com/matlabcentral/cody/problems/2908-approximation-of-pi 2908> and <https://www.mathworks.c...

1 día ago

Solved


Determine digits of the Copeland-Erdos constant
<https://www.mathworks.com/matlabcentral/cody/problems/1477-champernowne-constant/solutions/new Cody Problem 1477> asks us to de...

1 día ago

Solved


Find the zeros of the Bessel function of the first kind
<https://mathworld.wolfram.com/BesselFunctionoftheFirstKind.html Bessel functions> are important in many problems in mathematica...

2 días ago

Solved


Set the Euler-Mascheroni constant with an identity using available MATLAB functions
Cody Problem <https://www.mathworks.com/matlabcentral/cody/problems/42826 42826> asked us to estimate the <https://en.wikipedia....

2 días ago

Solved


Compute Khinchin's constant
Khinchin's constant K_0 = 2.684542001... (also written "Khintchine's constant") has the amazing property that it is the limiting...

2 días ago

Solved


Set Soldner's constant

2 días ago

Solved


Evaluate the zeta function for complex arguments
<https://www.mathworks.com/matlabcentral/cody/problems/45988 Cody Problem 45988> involved computing the Riemann zeta function fo...

3 días ago

Solved


Evaluate the zeta function for real arguments > 1
The <https://en.wikipedia.org/wiki/Riemann_zeta_function Riemann zeta function> is important in number theory. In particular, th...

4 días ago

Solved


Evaluate the gamma function
The <https://mathworld.wolfram.com/GammaFunction.html gamma function> is a generalization of the factorial, and it appears in ma...

4 días ago

Solved


Compute the nth Pythagorean prime
Pythagorean primes have the form p = 4n+1, where n is an integer, and they can be written as the sum of squares of two integers....

4 días ago

Solved


Evaluate the Struve function
The <https://en.wikipedia.org/wiki/Struve_function Struve function> *H*_a(x) is a solution to an inhomogeneous form of Bessel's ...

4 días ago

Solved


Award medals to winners

5 días ago

Solved


Evaluate the logarithmic integral
The <https://en.wikipedia.org/wiki/Logarithmic_integral_function logarithmic integral> li(x) plays a role in number theory becau...

5 días ago

Solved


Sort a vector

6 días ago

Solved


Find the nth Fibbinary number

7 días ago

Solved


Compute the perimeter of an ellipse
While the area of an ellipse is straightforward to compute, the perimeter (or circumference) is more complicated. The perimeter ...

7 días ago

Solved


Evaluate the incomplete elliptic integrals
Elliptic integrals can be used to evaluate integrals whose integrands have the form R(x,sqrt(P(x))), where R(x,y) is a rational ...

7 días ago

Solved


Decipher the number 2 - 3 keys

8 días ago

Solved


Identify primorial primes
Cody Problems <https://www.mathworks.com/matlabcentral/cody/problems/46054-count-trailing-zeros-in-a-primorial 46054> and <https...

8 días ago

Solved


Find the last non-zero digit in a primorial
<https://www.mathworks.com/matlabcentral/cody/groups/2001/problems/45251 Cody Problem 45251> asked us to find the last non-zero ...

8 días ago

Solved


Guess the logic

8 días ago

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