Community Profile # Tim

Last seen: Today Active since 2012

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Easy Sequences 72: Complete Graph
In Graph Theory, we say a graph is a Complete Graph, if all of its nodes are connected to evey other nodes in the graph. Example...

3 giorni ago

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Measure the hydraulic conductivity with a constant-head permeameter
A constant-head permeameter is a device for measuring the hydraulic conductivity of a soil sample. In this problem the sample i...

5 giorni ago

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Find out if Quadratic Equation has real roots or not?
Input [a b c] ax^2+bx+c=0 Output [1 or 0] 1= Quadratic Equation has real roots 0= Quadratic Equation has real roots

8 giorni ago

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AZPC Oddly Triangular: N=10/11/13/14 Digits 3/7/9 Part 3 of 5
AZPC created the Oddly Triangular contest on 9/7/22. The challenge is to find the longest sequence of N odd digits such that sum...

8 giorni ago

Solved

AZPC Oddly Triangular: N=35/305 using Digits 3/7/9 Part 5 of 5
AZPC created the Oddly Triangular contest on 9/7/22. The challenge is to find the longest sequence of N odd digits such that sum...

10 giorni ago

Solved

AZPC Oddly Triangular: N=34/304 using Digits 3/7/9 Part 4 of 5
AZPC created the Oddly Triangular contest on 9/7/22. The challenge is to find the longest sequence of N odd digits such that sum...

10 giorni ago

Solved

AZPC Oddly Triangular: N=8/9 Digits 3/7/9 Part 2 of 5
AZPC created the Oddly Triangular contest on 9/7/22. The challenge is to find the longest sequence of N odd digits such that sum...

11 giorni ago

Solved

AZPC Oddly Triangular: Small N Part 1 of 5
AZPC created the Oddly Triangular contest on 9/7/22. The challenge is to find the longest sequence of N odd digits such that sum...

11 giorni ago

Solved

Ambiguous concatenation
Give two expressions that can have different meaning inside/outside a concatenation expression.

12 giorni ago

Solved

Rotation Matrix to Euler Angles
Given a rotation matrix, generate the Euler Angles as output [phi,theta,psi]. [phi is a rotation around X-axis, theta is rotatio...

12 giorni ago

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Fun with matrix
Design a sample matrix as given in the test cases

13 giorni ago

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Easy Sequences 71: A Nonlinear Function with Quadratic Domain
Consider the function: The outputs of this function are fed as domain to another function: ...

13 giorni ago

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Quaternions to Rotation Matrices
Given a matrix of Quaternions (along the rows), output a 3D matrix of Rotation Matrices.

17 giorni ago

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Easy Sequences 70: Inflection Points of Binomial Product Function
Inflection points are points along the graph curve of a function, where the curvature of the curve changes from concave to conve...

18 giorni ago

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Easy Sequences 69: Radix Economy of Factorials
The Radix Economy of a number in a particular base is the number of digits needed to express it in that base, multiplied by the ...

21 giorni ago

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Convert a given Character to its decimal equivalent value
Convert a given character to its decimal equivalent value according to the ascii table. if x = '!'; y = 33; if x = 'u'; ...

21 giorni ago

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Magical Land
Mother Earth has gifted humanity a magical land to help all life on earth, in the shape of a n-sided regular polygon. You, bein...

30 giorni ago

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Which Char Array has the greater decimal value
Given to character arrays, determine which array has the greater decimal value. 'Hello' --> 72 + 101 + 108 + 108 + 111 = 500 ...

circa un mese ago

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Generate Bernoulli polynomials
The Bernoulli polynomial is a polynomial of order with the properties that and for , where the prime denotes differentiat...

circa un mese ago

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increasing sequences
Given a string of digits, insert commas to create a sequence of strictly increasing numbers so as to minimize the magnitude of t...

circa un mese ago

Solved

Number of leaps in binary search
Binary search is one of the most popular searching algorithms (Binary Search Algorithm). It works only in a sorted array. It uti...

circa un mese ago

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Chain multiplication - 04
Following up on the problem in 55305, you found the optimal way to multiply a chain of matrices. However, here in this problem,...

circa un mese ago

Solved

Chain multiplication - 03
Following up the problem in 55305, you found the minimum number of multiplications needed to multiply a chain of matrices. In ...

circa un mese ago

Solved

Chain multiplication - 02
Following up on the problem in 55295, you found the number of multiplications needed to multiply two matrices. Now, you are giv...

circa un mese ago

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Cut the rod
A rod of length n can be cut in different sizes. Different price is associated with different length of cuts. length, len= [1,...

circa un mese ago

Solved

Sort Non-zeros
Consider 0s in a vector creates a break-point. sort all the sub-arrays created by those break points. For example, a = [3, 4, 1...

circa un mese ago

Solved

Chain multiplication - 01
Say, you are given two matrices - A (shape= 3*4) and B(shape = 4*5). If you multiply these two matrices, the resultant matrix w...

circa un mese ago

Solved

Count estrangements
Recently I made a puzzle for my wife that included a cryptogram, which involves an arrangement of the letters A through Z. I use...

circa 2 mesi ago

Solved

Determine whether one vector is a subset of another
While bumbling through a pair of problems in the Number Theory group, I wrote code to determine whether a vector is a subset of ...

circa 2 mesi ago

Solved

Cyclotomic polynomial
Given a Natural number (N), return the corresponding Cyclotomic Polynomial.

circa 2 mesi ago