commodity risk management

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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

6 dagar ago

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Magic!

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

6 dagar ago

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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] ...

6 dagar ago

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Sorting

Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...

6 dagar ago

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Is this matrix orthogonal?

Given a square matrix, a, determine whether it is orthogonal. INPUT: a, a n x n matrix OUTPUT: true or false

6 dagar ago

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Find the logic

There exists one logic in between input and output. Find it (easy math). Example 1: x=13 then y=339; Example 2: x=26...

6 dagar ago

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matlab indian players

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

6 dagar ago

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Find the Nth Root of a Given Number

Find the Nth root of a given number x. Examples x = 4096 n = 4 y = 8 x = 625 n = 5 y = 3.6239

6 dagar ago

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Colon operator of two vectors

You are given two vectors of equal length: VecStart, VecEnd Each vector contain a set of integers, where VecEnd(j)>=VecStar...

6 dagar ago

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Find Out sum of principal diagonal element of given matrix

Find out sum of principal diagonal element of given matrix If A=[1 0 0; 0 1 0;0 0 1], then answer must be 3.

6 dagar ago

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Delete 2nd and 5th column of Given 6*6 matrix

Delete the 2nd and 5th columns of the given 6*6 matrix. Example Suppose A = magic(6) 35 1 6 26 19 ...

6 dagar ago

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Find out total non zero element of matrix

Find out Non zero element of matrix A=magic(5) 17 24 1 8 15 23 5 7 14 16 4 6...

6 dagar ago

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Matlab Basics II - Extract last 3 elements of a vector

Let x be a vector of unknown length, we are always interested in the last 3 numbers in the vector, write a function that gives t...

6 dagar ago

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Calculate distance travelled when given radius and rotations

When given radius of wheel and number of rotations calculate total distance travelled consider pi=3.14

6 dagar ago

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Find the area of a triangle

Given a triangle with a base b and height h, return the triangle area.

6 dagar ago

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Times 3 problem

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

6 dagar ago

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Roots

Find out the roots of a given polynomial equation.Given are the coefficients of the equation.

6 dagar ago

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Create sequnce 1 4 9 16 25.........

Create sequnce 1 4 9 16 25......... upto entered input value using matlab scripting commands. Let y be output and x be input

6 dagar ago

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find the surface area of a cube

given cube side length x, find the surface area of the cube, set it equal to y

6 dagar ago

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Temperature conversion

Convert temperature in degrees Celsius (C) to temperature in degrees Kelvin (K). Assume your answer is rounded to the nearest Ke...

6 dagar ago

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How long is the longest prime diagonal?

Stanislaw Ulam once observed that if the counting numbers are <http://en.wikipedia.org/wiki/Ulam_spiral arranged in a spiral>, t...

6 dagar ago

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Split bread like the Pharaohs - Egyptian fractions and greedy algorithm

How would you split 5 loaves of bread among 8 people in all fairness? Get a hint from the Pharaohs. 5/8 = 4/8 + 1/8 , i.e. each ...

7 dagar ago

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Reverse Calculator

Use this reverse calculator and give correct output Its simple, In my Reverse calculator if you press 0 it will be considered...

17 dagar ago

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Ripping numbers apart!

So you have to "rip" a number apart into individual digits... The end output is a cell. That is if: x = 12345678 o...

17 dagar ago

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Math with Roman Numerals

Given a function R within (+,-,*,/) and two Roman numerals a & b, compute aRb in Roman numerals.

18 dagar ago

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Test if a Number is a Palindrome without using any String Operations

*Description* Given an integer _X_, determine if it is a palindrome number. That is, _X_ is equal to the _X_ with the digits ...

19 dagar ago