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Geometric Series
Given x and n, give the sum of x ^ 1 to x ^ n. You should not have to use a loop for this.

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

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Calculate the answer to life the universe and everything
<https://en.wikipedia.org/wiki/42_(number)>

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Print the largest eigenvalue of A(500)
Write a function that prints the largest eigenvalue of A(500), without any extraneous output. For a positive integer n, let A...

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Airline Ticket Mod7 Checksum
There are 13 digits in an airline ticket number. If an airline ticket number is valid, the 13th digit should be the remainder of...

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Lowest sum from a group of digits
Hi there. It's James's daughter here again, and my third grade math teacher is up to her old tricks. This time, she's giving u...

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Determine whether the number is multiple of 3 or not
Let a=6 and as 6 = 2*3 which means 6 is multiple of 3; return true if a is multiple of 3,otherwise false.

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Solve expression III
Solve expression for given vector x. Expression = (tan(2*x^2+7*x-30.25)+log(x^3-2.25))/(nthroot(sin(x^3)^2+1/5*log(x^4-2.5),3))...

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Solve expression II
Solve given expression. alpha=0.1(-x-y-50)/(exp((-x-y-50)/10)-1) beta=5exp((-x+y-60)/20) result=alpha+beta;

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Matrix Ax=B problem
Take a incoming A and B vector, and solve for x

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is the number happy?
test is a given integer number is Happy of not? answer 1 if yes or 0 is no

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Create cotangent function out of sine.
Please, don't use cos, tan, cot matlab functions.

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Snakes on a plane
Given the dimensions of a 2-d plane, create a matrix where a "snake" of ones occupies the plane from top left to bottom right. ...

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Simple polynomial evaluation
Compute the value of a polynomial of degree n with all coefficients '1', at value x. n is always n>=0. p(x)=1+x+x^2+...+x^n...

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Check availability of a number in an array
An array is given A=[1 2 3 4 5 7 8 9 10]. Find whether the number n is present in given array or not. If the number n is prese...

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Slope of the line passing through two points
Determine the slope of a line passing through the points a=[x1 y1] and b=[x2 y2].

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wipe out!
make all the elements in given x zero.

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Polynomial evaluation
Compute the value of a polynomial of degree n with coeffcients in vector a, at value x. p(x)=a(1)+a(2)x+a(3)x^2+...+a(n+1)x...

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Set x value to each even index of vector y.
Set x value to each even index of vector y.

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Rank of matrix
Find the rank of given matrix

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Raise a polynomial to a power
In Matlab, polynomials are represented by a vector of coefficients. For example, the polynomial p=a*x^2 + b*x + c is represente...

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MPS to MPH
Given the speed in miles per second, find the speed in miles per hour.

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Calculate Simple Intrest for given data
P,N,R stands for Principle amount, No. of years and rate of intrest resp. Calculate intrest I

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Identify the heavier bag
There are N=2^n bags of rice looking alike, N-1 of which have equal weight and one is slightly heavier. The weighing balance is ...

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Octoberfest festival
A group of students decided to visit Octoberfest festival. First they ordered one beer, then after half-hour they taken one more...

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Find the nearest prime number
Happy 5th birthday, Cody! Since 5 is a prime number, let's have some fun looking for other prime numbers. Given a positive in...

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Isothermal Expansion
Given the initial pressure and volume of an ideal gas, calculate the new volume, given the new pressure. Hint: <https://en.wi...

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

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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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Percentage profit
If you are buying at x dollar, what will be the selling price for making the r% profit?

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