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# J. S. Kowontan

2 678 total contributions since 2017

Computational mathematician and research scientist with specialization in algorithm development, AI and machine learning, signal and systems, modeling and simulation, physics engine development, operation research, advanced modern control and MATLAB programming.

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Solved

Pass the Threshold!!
Write a Matlab function that will take as input a matrix of arbitrary dimensions and a scalar threshold value, and return a vec...

plus d'un an ago

Solved

The Google Interview: Two Eggs Problem
Consider the following problem, a popular Google interview question: A firm has invented a super-strong egg. For publicity pu...

plus d'un an ago

Solved

On a two-dimensional board with 2n + 1 rows and 2n + 1 columns, all (2n + 1)^2 positions of the board, except the central one, a...

plus d'un an ago

Problem

Nash Equilibrium
In game theory, a player's *strategy* is any of the options that can be chosen in a setting where the pay-off depends not only o...

plus d'un an ago | 3

Solved

Reverse the input
Given an input (n), produce an output in the reverse order with out using string variables or string function. Example x ...

plus d'un an ago

Solved

Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

plus d'un an ago

Solved

string comparision
compare two strings if both are same return 1 else return 0

plus d'un an ago

Problem

Let's Make A Deal: Criminal Minds
The game of Let's Make A Deal proceeds as follows; The player is given the choice of three doors: Behind one door is a car; b...

plus d'un an ago | 1

Solved

Find argmax of a function
You are given vectors x and y (=f(x)). Return the element of x for which f(x) is maximized.

plus d'un an ago

Problem

Let's Make A Deal: The Player's Dilemma 2
Suppose you're on a game show, and you're given the choice of three doors: Behind one door is a car; behind the others, goats. Y...

plus d'un an ago | 1

Problem

Let's Make A Deal: The Player's Dilemma
Suppose you're on a game show, and you're given the choice of three doors: Behind one door is a car; behind the others, goats. Y...

plus d'un an ago | 0

Solved

Seperate array to small section according to its index position
Given a integer n, we can generate a sequence [0,1,2,3,4,..., 2^n-1], then we separate it to two sequence according to their ind...

plus d'un an ago

Solved

Penny Distribution Machine
A machine consists of a row of boxes. To start, one places N pennies in the leftmost box. The machine then redistributes the pen...

plus d'un an ago

Solved

God of War: The Chains Of Olympus
The Spartan warrior, Kratos, is held by a chain of _n > 1_ links in the underworld. His only chance of survival is to break the ...

plus d'un an ago

Solved

Counting Squares
An algorithm starts with a single square and on each of its next iterations adds new squares all around the outside as shown bel...

plus d'un an ago

Problem

God of War: The Chains Of Olympus
The Spartan warrior, Kratos, is held by a chain of _n > 1_ links in the underworld. His only chance of survival is to break the ...

plus d'un an ago | 0

Problem

Penny Distribution Machine
A machine consists of a row of boxes. To start, one places N pennies in the leftmost box. The machine then redistributes the pen...

plus d'un an ago | 0

Solved

Five Fingers
A little girl has just learnt how to count from 1 to N using the five fingers of her left hand as follows. She starts by calling...

plus d'un an ago

Problem

Five Fingers
A little girl has just learnt how to count from 1 to N using the five fingers of her left hand as follows. She starts by calling...

plus d'un an ago | 1

Problem

Counting Squares
An algorithm starts with a single square and on each of its next iterations adds new squares all around the outside as shown bel...

plus d'un an ago | 1

Solved

007: Chinese Barrack Invasion
*MISSION:* Successfully invade a military barrack located in China. *WARNING:* There is a row of _n_ security switches protec...

plus d'un an ago

Problem

007: Chinese Barrack Invasion
*MISSION:* Successfully invade a military barrack located in China. *WARNING:* There is a row of _n_ security switches protec...

plus d'un an ago | 1

Problem

The Generalized-N Eggs Problem
A firm has invented a super-strong egg. For publicity purposes, it wants to determine the highest floor in a story building with...

plus d'un an ago | 1

Problem

The Google Interview: Two Eggs Problem
Consider the following problem, a popular Google interview question: A firm has invented a super-strong egg. For publicity pu...

plus d'un an ago | 1

Solved

Sort Reversal
There are n index cards in a row, with n distinct integers written on them (one number per card) so that the numbers are sorted ...

plus d'un an ago

Problem

Sort Reversal
There are n index cards in a row, with n distinct integers written on them (one number per card) so that the numbers are sorted ...

plus d'un an ago | 0

Problem

On a two-dimensional board with 2n + 1 rows and 2n + 1 columns, all (2n + 1)^2 positions of the board, except the central one, a...

plus d'un an ago | 1

Solved

On a one-dimensional board with n + m + 1 cells, there are n counters in the first n cells representing Toads and m counters in ...

plus d'un an ago

Problem