Myself Mahesh working as Assistant Professor in Electronics and Telecommunication Department with 10 years of Experience.

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Check if number exists in vector

Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

10 days ago

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sum of first 'n' terms

Given n=10, find the sum of first 'n' terms Example: If n=10, then x=1,2,3,4,5,6,7,8,9,10. The sum of these n=10 terms is 55...

18 days ago

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Count photos

Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total nu...

18 days ago

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Find out sum of all elements of given Matrix

Find out sum of all elements of given Matrix A=[1 2 3;4 5 6 ;7 8 9]; Answer must be: 45 *If you like this problem, pl...

18 days ago

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Remove any row in which a NaN appears

Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

18 days ago

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Multiply by 3

Given the variable x as your input, multiply it by three and put the result in y.

22 days ago

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Finding Perfect Squares

Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

25 days ago

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Return the 3n+1 sequence for n

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

25 days ago

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Bit Reversal

Given an unsigned integer _x_, convert it to binary with _n_ bits, reverse the order of the bits, and convert it back to an inte...

25 days ago

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Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

1 month ago

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Converting binary to decimals

Convert binary to decimals. Example: 010111 = 23. 110000 = 48.

1 month ago

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Binary numbers

Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

1 month ago

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Right Triangle Side Lengths (Inspired by Project Euler Problem 39)

If _p_ is the perimeter of a right angle triangle with integral length sides, { _a_, _b_, _c_ }, there are exactly three solutio...

1 month ago

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Find the maximum number of decimal places in a set of numbers

Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

1 month ago

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Find MPG of Lightest Cars

The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

1 month ago

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Longest run of consecutive numbers

Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

1 month ago

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Rescale Scores

Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

1 month ago

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Calculate Inner Product

Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

1 month ago

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Calculate a Damped Sinusoid

The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

1 month ago

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Solve a System of Linear Equations

*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

1 month ago

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Verify Law of Large Numbers

If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

1 month ago

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metre to feet converter

The idea is to make a converter, which exchange meters to feets. We use a factor of 1m = 3.281*1f. so 3m are equals to 9.843 m...

1 month ago

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Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.

If x = 5, y = 4*5/2 = 10

1 month ago

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Annual Salary

What is the annual salary of Mr. Cody if he works 40 hours a week and gets $x per hour and a yearly bonus of $2000? (Let, 50 wee...

1 month ago

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Write a code that will follow the equation y = x * (x + x) * x.

If x = 5, y = 5 * (5+5) * 5 = 250

1 month ago

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Unit Matrix

Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input ...

1 month ago

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Area of a Square

Inside a square is a circle with radius r. What is the area of the square?

1 month ago

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Area of a triangle

A triangle is given with base *'b'* ,vertical hight *'h'* . then find it's area.

1 month ago