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Ashan Peiris


University of Moratuwa

Active since 2014

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Electronics and Telecommunication Engineering student at University of Moratuwa.
Professional Interests: Image Processing, signal processing, digital system design

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Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

9 years ago

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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...

9 years ago

Solved


Perfect Square
Find a function that finds the root of a perfect number!

9 years ago

Solved


Celsius to Kelvin
Degrees Celsius = Kelvin - 273.15

9 years ago

Solved


Small Riddle
Mr. Smith has two children. If the older child is a boy, what are the odds that the other child is also a boy?

9 years ago

Solved


Sum all integers from 1 to 5^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=6

9 years ago

Solved


Vector
Create a 1 x 10 vector from 1 to 20 with increments of 2

9 years ago

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Create a vector
Create a vector from 0 to n by intervals of 2.

9 years ago

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Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

9 years ago

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Check if equal
Return true if all the elements of an nD array are equal, false otherwise.

9 years ago

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Squaring Matrix
Square the following matrix using matlab % A = 1 2 3 4 5 6 7 8 So new matrix should display...

9 years ago

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Complex number
For complex number c=a+bi, write code that will add a and b together.

9 years ago

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Positive Infinity
Round the array a towards positive infinity

9 years ago

Solved


Angle of triangle
For three unknown points a b c, given three sides ab bc ca, find three angles abc bca cab in radians. Your function should b...

9 years ago

Solved


Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

9 years ago

Solved


MATCH THE STRINGS (2 CHAR) very easy
Match the given string based on first two characters on each string. For example A='harsa'; b='harish'; result '1' ...

9 years ago

Solved


Matrix to column conversion
Given a matrix of any size, convert it into a column vector. e.g A=[10 20 30; 40 50 60] then, B = [10; 40; ...

9 years ago

Solved


Triangle Numbers Below N
This is an offshoot of <http://www.mathworks.com/matlabcentral/cody/problems/5-triangle-numbers Cody Problem 5: Triangle Numbers...

9 years ago

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select the primes of a vector
Find the prime numbers in a vector

9 years ago

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Half?
If you toss an even number (x) of coins, what is the probability (y) of 50% head and 50% tail?

9 years ago

Solved


Back to basics 24 - Symbolic variables
Covering some basic topics I haven't seen elsewhere on Cody. Given a string algebraic expression, return the symbolic variabl...

9 years ago

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Reverse a matrix
Its simple. You have to reverse a given matrix.

9 years ago

Solved


Perfect Square or not
find Given input x is perfect square or not,if yes then output y=1.else y=0

9 years ago

Solved


Find the dimensions of a matrix
Just find the number of columns of the given matrix. Example x = [1 2 3 4 5 6] y = 2

9 years ago

Solved


Deleting an element in a matrix
For vector Grades=[98 56 78 34 100 88 87], delete the number 78 to get the following matrix Grades=[98 56 34 100 88 87] **re...

9 years ago

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length of a vector
Find twice the length of a given vector.

9 years ago

Solved


Swap two numbers
Example Input: a = 10 b = 20 Output a = 20 b = 10

9 years ago

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Rounding
Round 10.67 and make 'y' equal to that number.

9 years ago

Solved


matlab indian players
answer is one of the indian matlab player(just for fun dont take serious)

9 years ago

Solved


Remainder
Make 'y' equal to the remainder of 27 divided by 5. When x=27 and t=5

9 years ago

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