Community Profile # Ashan Peiris

### University of Moratuwa

Active since 2014

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 ...

mer än 6 år 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...

mer än 6 år ago

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

mer än 6 år ago

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Celsius to Kelvin
Degrees Celsius = Kelvin - 273.15

mer än 6 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?

mer än 6 år ago

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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

mer än 6 år ago

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

mer än 6 år ago

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

mer än 6 år ago

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Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

nästan 7 år ago

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

nästan 7 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...

nästan 7 år ago

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

nästan 7 år ago

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Positive Infinity
Round the array a towards positive infinity

nästan 7 år ago

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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...

nästan 7 år ago

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

nästan 7 år ago

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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' ...

nästan 7 år ago

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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; ...

nästan 7 år ago

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

nästan 7 år ago

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

nästan 7 år 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?

nästan 7 år ago

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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...

nästan 7 år ago

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

nästan 7 år ago

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

nästan 7 år ago

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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

nästan 7 år ago

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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...

nästan 7 år ago

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

nästan 7 år ago

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

nästan 7 år ago

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

nästan 7 år ago

Solved

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

nästan 7 år ago

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

nästan 7 år ago