University of Toronto CS master's student.

martincarrington.com

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Simpsons's rule (but not Homer Simpson)

I wonder what Homer Simpson would have thought of Simpson's rule? Somehow I doubt his thoughts would have included the phrase Ne...

7 months ago

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Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.

Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

8 months ago

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I Plead the Fifth

Write a function to provide a yes or no answer to the input string. However, it must plead the 5th amendment (return an empty st...

8 months ago

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Polarisation

You have n polarising filters stacked one on top of another, and you know each axis angle. How much light gets passed through th...

8 months ago

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MinMax mapping

Given a matrix, map all the elements within a given interval. For example, a=[ 2 5 10] mapped in the interval [1,2] ...

8 months ago

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Orthogonal lines

Check whether two given lines are orthogonal or not. Two lines are orthogonal if they create a right angle at their intersect...

8 months ago

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Positive Definiteness of a Matrix

Determine if input matrix is positive definite or not.

8 months ago

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Find the index of elements in a string vector

In the vector of v, find the index of elements specified by a. v = ["Lion","Koara","Elephant","Snake","Dog","Cat","Camel"]; ...

8 months ago

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Area-02

Given the radius of the circle inscribed in a square, find the area of the square that can be fitted perfectly in the corner. ...

8 months ago

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Area-01

Given the radius of the circle inscribed in a square, find the area that is not bounded by the circle but inside the square. ...

8 months ago

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Sum of series

a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)

8 months ago

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Coin distribution

Imagine, u r in a shop. ur bill is n(2200). u want to pay the bill with minimum no of coins u have. u've coins of - 2000,1000...

8 months ago

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$10,000 sequence

Find the nth term of the Hofstadter–Conway sequence and its chaotic cousin. <https://en.wikipedia.org/wiki/Hofstadter_sequenc...

8 months ago

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Sum! Sum! Sum!

Calculate the sum of the sequence up to nth term >> a,aa,aaa,aaaa,... 2,22,222,2222,... [for a=2]

8 months ago

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Determina el número de cifras de un número

Crea una función que te devuelva el número de cifras de un número. Algunos ejemplos para ayudarte serían: El número 125 tie...

8 months ago

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Missing five

Convert decimal numbers to a base-9 notation missing the digit *5* <<http://www.alfnie.com/software/missing5.jpg>> Too man...

8 months ago

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Extra safe primes

Did you know that the number 5 is the first safe prime? A safe prime is a prime number that can be expressed as 2p+1, where p is...

8 months ago

Submitted

ez (easy) plotter

MATLAB app that makes plotting functions easy and fun

9 months ago | 18 downloads |

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Question 1

Implement a function named q1 with one input argument named n. This function should return the multiplication of all odd numbers...

11 months ago

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Basic electricity in a dry situation

⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ &#...

12 months ago

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Roots of a quadratic equation.

Calculate the roots of a quadratic equation, given coefficients a, b, and c, for the equation a*x^2 + b*x + c = 0.

12 months ago

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execute the declaration in strings and return value

execute the commands in strings and return value input='a=23' output=23

12 months ago

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Free-time Equation

Given a 7-day week, an *_nc_* -number of *_tc_* -hour classes, *_ta_* -hours awake in a day, and *_tw_* -hours that you work in ...

12 months ago

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Find the index of the lowest number in a matrix

Take a matrix, and find the [row cal] index of the lowest number

12 months ago

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calculate PI without using pi function

There are many methods to get the pi(Ratio of circumference to diameter). You should get pi without using the pi function in M...

12 months ago

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Tony's trick for duplicating an mx1 vector n times

Without using repmat, or for loop, or concatenation, create a function to duplicate a vector, v, a specified number of times, n....

12 months ago

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Remove the polynomials that have positive real elements of their roots.

The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the <http://www.ma...

12 months ago