# Sumi Suresh

PhD Scholar

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**Content Feed**

Solved

Symmetry of vector

Determine whether the vector is symmetric or not (vector could be even or odd in length). For example: x = [1 2 3 3 2 1] ...

9 months ago

Solved

Matlab Basics - Rounding III

Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

9 months ago

Solved

Bottles of beer

Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

10 months ago

Solved

Back to basics 22 - Rotate a matrix

Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

10 months ago

Solved

Back to basics 11 - Max Integer

Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

10 months ago

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Matlab Basics II - Free Fall

An object freely falling from rest under gravity covers a distance x given by: x = 1/2 gt^2 write a function that calculat...

10 months ago

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Volume of a box

Given a box with a length a, width b, and height c. Solve the volume of the box.

10 months ago

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Which doors are open?

There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

10 months ago

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Replacing a row

For matrix G=[1 2 3; 4 5 6; 7 8 9] Replace the 2nd row with 8s **remember to create matrix G

10 months ago

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Back to basics - mean of corner elements of a matrix

Calculate the mean of corner elements of a matrix. e.g. a=[1 2 3; 4 5 6; 7 8 9;] Mean = (1+3+7+9)/4 = 5

10 months ago

Solved

Matlab Basics - Rounding II

Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

10 months ago

Solved

Magic!

Check whether the input matrix is a normal magic square: <http://en.wikipedia.org/wiki/Magic_square> Output the logical va...

10 months ago

Solved

Sum of diagonal of a square matrix

If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

10 months ago

Solved

Find the sum of the elements in the "second" diagonal

Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

10 months ago

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Is A the inverse of B?

Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

10 months ago

Solved

Right and wrong

Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

10 months ago

Solved

"mirror" matrix

Create n x 2n "mirror" matrix of this type: Examples For n = 2 m = [ 1 2 2 1 1 2 2 1 ] For n = 3 m = ...

10 months ago

Solved

Rotate a Matrix

Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

10 months ago

Solved

Times 3 problem

When you enter the number, it should return the number multiplied by 3

10 months ago

Solved

Back to basics 6 - Column Vector

Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

10 months ago