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# AMITAVA BISWAS

403 total contributions since 2011

EXPLORER
Professional Interests: BIOLOGY

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MATLAB demo of Magic Circle TRIGONOMETRIC calculation with simple and easy arithmetic
Progressively calculates sin and cos values along a circle.

Solved

How many jokers?
* Given DNA codes of a group of suspects, * and a code for certain types of jokers, * Count how many jokers of that type. * ...

3 years ago

Problem

How many jokers?
* Given DNA codes of a group of suspects, * and a code for certain types of jokers, * Count how many jokers of that type. * ...

3 years ago | 0

Problem

Vector LCM
* Find Least Common Multiple of a given vector. * Need general solution as the test suite will be expanded. * Function Templa...

4 years ago | 0

Solved

Vector LCM
* Find Least Common Multiple of a given vector. * Need general solution as the test suite will be expanded. * Function Templa...

4 years ago

Problem

Array GCD
* Find Greatest Common Divisor in a given array * Function Template: function ans = arraygcd(a) % a=[45 15 200 ...

4 years ago | 0

Solved

Array GCD
* Find Greatest Common Divisor in a given array * Function Template: function ans = arraygcd(a) % a=[45 15 200 ...

4 years ago

Problem

Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

4 years ago | 4

Solved

Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

4 years ago

Problem

Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

4 years ago | 0

Posted

Test Suite of Spring 2012 MATLAB Contest, April 4 - 11
Since the Tiles Contest is over, it would be very appreciated if the actual test suite is posted and/or a link is posted here. T...

4 years ago | 7117 views

Problem

* Imagine you are in 2222 Anno Domini, when everyone must learn how to add, * and competing for the highly prestigious post of,...

4 years ago | 5

Solved

Find best domino orientation
Given a list of pairs, find the orientation they should be placed in a line, such that the sum of the absolute values of the dif...

4 years ago

Solved

Rotate and display numbered tile
Imagine a square tile with four numbers on it, one on each edge. We will call these edges north, east, south, and west. If th...

4 years ago

Solved

Choose the best fitting dominoes
You will be given a cell array of nx2 matrices. Choose one row from each matrix. These are the ordered pairs that will be plac...

4 years ago

Solved

Find best placement for ordered dominoes (harder)
Given a list of ordered pairs, find the order they should be placed in a line, such that the sum of the absolute values of the d...

4 years ago

Solved

Stuff the Board
You have a stack of tiles to put onto an array-like playing board. Each tile has a number (always an integer), and the board var...

4 years ago

Solved

Find perfect placement of non-rotating dominoes (easier)
Given a list of ordered pairs, find the order they should be placed in a line, such that the sum of the absolute values of the d...

4 years ago

Solved

Scoring for oriented dominoes
Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

4 years ago

Responded

Re: Edge values are any numbers, right? Thanks!
zero or any positive (not necessarily below 10 or 1000, but including the 0) right? Thanks!

4 years ago | 7117 views

Posted

Score any empty squares on board as tiles [0 0 0 0] right? Thanks!
Score any empty squares on board as if filled with tiles [0 0 0 0], right? Thanks!

4 years ago | 7117 views

Posted

Edge values are any numbers, right? Thanks!
The edges values may be negative integers or floating point also? Thanks!

4 years ago | 7117 views

Posted

What is the min/max range for edge values?
Assuming the minimum is 0 and the maximum is 9, right? Thanks!

4 years ago | 1121 views

Problem

How to multiply?
* Imagine you are in 3012 Anno Domini, when everyone must learn how to multiply, * and competing for the highly prestigious pos...

4 years ago | 3

Problem

Have you seen any Spindromes recently?
* Never been to the <http://en.wikipedia.org/wiki/Makemake_(dwarf_planet) dwarf planet makemake> yet? * Assume a new unexplore...

4 years ago | 0

Solved

Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...

4 years ago

Solved

Find the palindrome
Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';

4 years ago

Solved

root?
* Given a function 'foo', and a position 'there', find the root near 'there'. * For example: If foo=@sin, and there=3.1, then r...

4 years ago

Problem

root?
* Given a function 'foo', and a position 'there', find the root near 'there'. * For example: If foo=@sin, and there=3.1, then r...

4 years ago | 0

Solved

Proper Factors
Generate the proper factors of input integer _x_ and return them in ascending order. For more information on proper factors, ref...

4 years ago