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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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Solved


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 ...

ungefär 9 år ago

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...

ungefär 9 år ago

Solved


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

ungefär 9 år ago

Solved


Celsius to Kelvin
Degrees Celsius = Kelvin - 273.15

ungefär 9 år ago

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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?

ungefär 9 år 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

ungefär 9 år ago

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

ungefär 9 år ago

Solved


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

ungefär 9 år ago

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Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

mer än 9 år ago

Solved


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

mer än 9 år 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...

mer än 9 år ago

Solved


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

mer än 9 år ago

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Positive Infinity
Round the array a towards positive infinity

mer än 9 år 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...

mer än 9 år ago

Solved


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

mer än 9 år 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' ...

mer än 9 år 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; ...

mer än 9 år 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...

mer än 9 år ago

Solved


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

mer än 9 år ago

Solved


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

mer än 9 år 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...

mer än 9 år ago

Solved


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

mer än 9 år ago

Solved


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

mer än 9 år 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

mer än 9 år 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...

mer än 9 år ago

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

mer än 9 år ago

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

mer än 9 år ago

Solved


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

mer än 9 år ago

Solved


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

mer än 9 år ago

Solved


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

mer än 9 år ago

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