Problem 49632. Matrix Pattern 9

Created by Doddy Kastanya
Appears in Special Functions II

Difficulty:Rate

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Find the pattern for the element of the matrix.
mat_pattern(2) = [
     4     7
     5     8];
mat_pattern(4) = [
     4     7    10    13
     5     8    11    14
     6     9    12    15
     7    10    13    16];

Solve

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258 Solutions
119 Solvers

Last Solution submitted on Feb 21, 2025

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Problem Comments

5 Comments

5 Comments

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William on 2 Jan 2021

Binbin -- Yes, I see. It's just a more difficult problem than I thought it was!

Binbin Qi on 3 Jan 2021

@William， Yes. It is hard to guess the author's thoughts

Rafael S.T. Vieira on 30 Oct 2022

tip: pi is used as a factor.

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Group

Special Functions II

10 Problems
1 Finishers

Estimate π from certain values of the zeta function
Evaluate the generalized hypergeometric function
Compute an integral of an exponential function
Determine aquifer properties: unsteady pump test in a confined aquifer
Compute an integral of a product of sinusoids
Compute a sum of Ramanujan
Compute the fractional derivative
Compute the sum of reciprocals of quadratics
Evaluate the Kelvin functions
Compute the period of a pendulum started from a finite initial angle

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