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CARDS PROBLEM
Read my mind and tell me the card number that I have now in my hands.

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Calculate the integral of the polynomial
for e.g. in = [3 2 1] out = [1 1 1 0]

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Create Volcano (or Atoll) martix. It is an extension of Bullseye matrix problem.
For example, if n=2 (maximum value), the output matrix should be [1 1 1 1 1; 1 2 2 2 1; 1 2 1 2 1; 1 2 2 2 1; 1...

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Change the sign
Given a matrix x, return one with each diagonal element replaced by its absolute value, and each off-diagonal element replaced b...

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Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

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COUNT VOWEL 2
The objective of this problem is to determine the number of unique vowels used in the given string. Now count vowels in STRI...

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Number of odd and even elements within matrix
Input(m) - any matrix with integers Output(n) - n(1)=number of odd elements, n(2)=number of even elements Example: * m=...

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How many digits are there?
Input(s) - any string Output(n) - number of digits within string s

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calculate linear convolution two vectors
for e.g in: a = [1 2 3] b = [4 5 6] out: y = [4 13 28 27 18]

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Simple problem creating a function from an abstract specification.
MYSTERYFUNCTION3 This takes a vector of numbers v and computes a vector w such the w[i] is the average of v[i] and the previous...

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COUNT VOWEL
Count, how many times vowels occurred. EXAMPLE: x='string the MaTLaBiAn' then the answer will be 6. x='coUnt the vowEl' th...

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Put Two 1D matrices into one 1D matrix
Example: If input a = [1 2 3 4 5]; input b = [10 9 8 7 6]; then output will be, y_correct = [1 10 2 9 3 8 4 7 5...

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find the roots of a quadratic equation
for e.g x = [ 2 -1 -3] y = [1.5 -1]

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Perl 4: unshift
_This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab?_...

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Perl 3: shift
_This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab?_...

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Perl 2: pop
_This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab?_...

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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...

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Area of rhombus
Calculate the rhombus area

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Procrustean bed
Given a vector x and an integer n, convert x to a vector of length n by (1) chopping off the end if it is too long, or (2) addin...

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Vector of numbers divisible by 3
* Input(n) - any integer * Output(v) - vector with numbers divisible by 3(exept 0) starting from n to 0 Examples: * n=6...

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Do Fast Fourier Transformation
Example Fast Fourier Transformation from vector [2,1]) ans = 3 1

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Volume and area of a sphere
Input(r) - radius Output([v,s]) - volume and area

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Is the input divisible by 3?
Return true if the input is divisible by 3 and false if not.

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The sum of the numbers in the vector
eg. [1,2,3]---->SUM=6

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find the maximum element of the matrix
for e.g x = [1 2; 3 4] y = 4

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Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

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Frobenius Norm
Write your own version of Frobenius Norm without using the 'norm' function.

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Calculate the derivative of a polynomial
Example: in = [ 1 1 1 ] out = [ 2 1 ]

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Relative ratio of "1" in binary number
Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...

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How many jokers?
* Given DNA codes of a group of suspects, * and a code for certain types of jokers, * Count how many jokers of that type. * ...

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