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Wheat on a chessboard pt 2
If a chessboard were to have wheat placed upon each square such that x grains were placed on the first square and each successiv...

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Can I make a right triangle ?
Input(a) - is vector with any amount of values. Interpreted as legths of sides. Output(b): * Is true if there are any 3 va...

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Soccer - TOTO
How many different outcomes are there in a soccer-TOTO with n games? For each game there are three results: win - loss - equa...

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Periodic Table II 101.
Given the symbol of an element, return its atomic number. This is the continuation of <http://www.mathworks.com/matlabcentral/co...

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Periodic Table 101.
Given the atomic number (z), answer the symbol for that particular element of the <http://en.wikipedia.org/wiki/Periodic_table/ ...

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Avalaible area: wall construction
You need to build a wall to enclose a certain area. Calculate the available area after you build the wall. Assumptions * ...

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prime test 2
enter the only non prime,non composite number

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Grandpa's telescope
Two grandkids Dorothy and Benjamin are sharing a telescope made by their grandpa, who used an old lens of spectacles as the obje...

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Find the list of all open files
In the test suite, I use <http://www.mathworks.com/help/matlab/ref/fopen.html fopen> to create new files. The task is to find th...

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Decimal Comparison
*Background* A utility of particular interest to Cody and other MATLAB ventures is comparing the equality of two numbers. In ...

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Count letters occurence in text, specific to words with a given length.
Build a function with two input arguments: a string and a word length (number of letters), that outputs a vector of counts of th...

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How many rectangles in a grid ?
How many rectangles are there in an m × n grid ? For example, if m=1 & n=2, we have 3 rectangles.

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Leap Year
According to Gregorian Calender(which is in use now, in many countries),decide whether a given year is a leap year or not. Give...

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Convolution Power
Create the convolution-power vector from initial vector _x_ and power _n_. In other words, similar to the scalar case, raising ...

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persistant sum
There will be 9 tests for this problem. In each test you will be provided with 2 integers n=[n1,n2], where n2 is equal to t...

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Raise Matrix to Power
For a given square matrix x and scalar a, find x^a without using '^' or 'mpower'.

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Find the number that has most primes those less than it
Given an vector x of integer numbers, find the element of x that has the most primes less than it.

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give-nth-decimal-place-of-pi up to 100 digits
max 100th place after the decimal point this is upgrade problem of 142

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Distances in a circle
A circle (360°) is given and a row of 6 monotonic increasing numbers with the which difference from last to first value is les...

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Determine value using Look-up table method
Given a set of 2 vectors x and y related in a certain way, you are supposed to find value of y (ydash) given a particular value ...

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Mirror Image matrix across anti-diagonal
Given an input number x, create a Mirror Image matrix 'Y' across anti-diagonal in following way:- Example:- If x=3, Y= [1 ...

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Find out phase angle of second order system.
Find out the phase angle of a second order system. In a control system, the phase angle is given by the inverse of cos.

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mathematics , probability problem
How many different result can we have, rolling k dice?

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Gamma Function
Evaluate the <http://en.wikipedia.org/wiki/Gamma_function/ Gamma Function>. Gamma_val(0) = Inf Gamma_val(1.2) = 0.9182

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Add one raw in given matrix as shown in example
*Add one raw in given matrix as shown in example* A=[1 0;0 1]; X=[3 5]; Answer must be:[1 0; 0 1;3 5]

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Find last zero for each column
Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero...

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Range Testing
Range Testing. Write a function that sets y = the range of input array x

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Find and replace the zero array in a matrix
Find the zero array in the matrix and replace it with average of surrounding (adjacent) arrays. Example: A = 3 ...

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How long does it take to run a bath?
Given the *volume flow rate* (volume/time) of a faucet and the *volume* of a bath tub, find the amount of time it takes to fill ...

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find the relation...
if given input is 1, output is 4. if input is 55, output is 3136.

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