Cody

# Yongkai Huang

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#### Problem 1779. Oh Zero Zero Zero!!!

Created by: Chris E.

Created by: goc3

Created by: goc3

Created by: goc3

#### Problem 2581. Sum of series VII

Created by: Grzegorz Knor

Tags series, sum

#### Problem 2580. Sum of series VI

Created by: Grzegorz Knor

Tags series, sum

#### Problem 2579. Sum of series V

Created by: Grzegorz Knor

Tags series, sum

#### Problem 2578. Sum of series IV

Created by: Grzegorz Knor

Tags series, sum

#### Problem 2577. Sum of series III

Created by: Grzegorz Knor

Tags series, sum

#### Problem 2576. Sum of series II

Created by: Grzegorz Knor

Tags series, sum

#### Problem 2575. Sum of series I

Created by: Grzegorz Knor

Tags series, sum

#### Problem 1103. Right Triangle Side Lengths (Inspired by Project Euler Problem 39)

Created by: @bmtran (Bryant Tran)

#### Problem 43236. Find my daddy long leg (No 's')

Created by: Jamil Kasan

Created by: goc3

#### Problem 42385. Combined Ages 4 - Non-symmetric with multiples, n ≥ 3

Created by: goc3

Tags matrix, sum, linear

#### Problem 42383. Combined Ages 3 - Non-symmetric, n ≥ 3

Created by: goc3

Tags matrix, sum, linear

#### Problem 42384. Combined Ages 2 - Symmetric, n ≥ 3

Created by: goc3

Tags matrix, sum, linear

#### Problem 2664. Divisors for big integer

Created by: Jean-Marie Sainthillier

#### Problem 1159. Coin Tossing: Probability of Same Heads for N tosses

Created by: Richard Zapor

#### Problem 597. The Birthday Phenomenon

Created by: Ben Ausdenmoore

#### Problem 44254. Probability of red tulips (at both ends of a row)

Created by: Noriko Hounoki

#### Problem 446. Solve the set of simultaneous linear equations

Created by: Bruce Raine

#### Problem 2591. Does the coin touch the line?

Created by: Georges

#### Problem 2770. Probability of Choosing a Red Ball

Created by: Kevin

#### Problem 1268. Penny flipping - calculate winning probability (easy)

Created by: Jeremy

#### Problem 1267. Calculate the probability that at least two people in a group share the same birthday.

Created by: Jeremy

#### Problem 44779. Don't be mean. Be nice!

Created by: James

Tags mean, nchoosek

#### Problem 615. Nilpotent matrix

Created by: Grzegorz Knor

Tags matrix

#### Problem 451. Is this matrix orthogonal?

Created by: Bruce Raine

Tags orthogonal

#### Problem 389. Column norms of a matrix

Created by: Federico

#### Problem 42382. Combined Ages 1 - Symmetric, n = 3

Created by: goc3

Tags matrix, sum, linear

#### Problem 2227. Broken numlock key, oppps !

Created by: Swapnali Gujar

#### Problem 44666. Draw 'O' !

Created by: Majid Farzaneh

Tags matrix, o, draw

#### Problem 44646. Draw a 'Z'.

Created by: Majid Farzaneh

Tags matrix, character, z

#### Problem 1211. Create an 'arrow-head" matrix

Created by: Khaled Hamed

Tags arrow

#### Problem 1194. Replace multiples of 5 with NaN

Created by: Khaled Hamed

Created by: goc3

#### Problem 3020. Prime Letters = Removing

Created by: Gareth Thomas

Tags primes

#### Problem 44680. Draw 'F'

Created by: Majid Farzaneh

Tags matrix, f, draw

#### Problem 44686. Draw 'J'

Created by: Majid Farzaneh

Tags matrix, character, j

#### Problem 2364. Convert a vector into numbers

Created by: RA

Tags cody, num2str

#### Problem 2202. Flip the bit

Created by: the cyclist

#### Problem 44679. Draw 'E'

Created by: Majid Farzaneh

Tags matrix, e, draw

#### Problem 44681. Draw 'H'

Created by: Majid Farzaneh

Tags matrix, draw, h

#### Problem 44667. Draw 'I'

Created by: Majid Farzaneh

Tags matrix, draw, i

#### Problem 44673. Draw 'D'.

Created by: Majid Farzaneh

Tags matrix, d, draw

#### Problem 44672. Draw 'C'.

Created by: Majid Farzaneh

Tags matrix, c, draw

#### Problem 44685. Draw 'B'

Created by: Majid Farzaneh

#### Problem 2151. Reverse within string

Created by: sreedevi

#### Problem 1295. Bit Reversal

Created by: @bmtran (Bryant Tran)

1 – 50 of 454