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Binbin Qi


Last seen: Today

China University of Petroleum

4,361 2009 年以降の合計貢献数

Professional Interests: Machine Learning/ Math/ Geophysics

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Binbin Qi's バッジ

  • Cody 5th Anniversary Finisher
  • Triathlon Participant
  • Scavenger Finisher
  • Knowledgeable Level 2
  • Thankful Level 1
  • First Answer
  • Logic
  • Computational Geometry I Master
  • Matrix Patterns II Master
  • Personal Best Downloads Level 1
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  • Introduction to MATLAB Master
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Check if the input is an interprime

約12時間 前

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Check if the input is a strong prime

約12時間 前

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Check if the input is a balanced prime

約14時間 前

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Find the smallest prime with n inside

約18時間 前

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Construct dimensionless parameters
*Summary* Write a function to construct dimensionless parameters from a list of variables, a matrix indicating their dimensi...

4日 前

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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...

8日 前

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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...

8日 前

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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...

8日 前

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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....

8日 前

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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...

8日 前

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Set Soldner's constant

8日 前

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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...

9日 前

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Evaluate the prime zeta function

9日 前

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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...

10日 前

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

10日 前

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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....

10日 前

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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 ...

10日 前

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Solve a ballot counting problem

10日 前

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Award medals to winners

11日 前

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

11日 前

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Sort a vector

12日 前

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Find the nth Fibbinary number

13日 前

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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 ...

13日 前

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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 ...

13日 前

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Decipher the number 2 - 3 keys

14日 前

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