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05 - Vector Equations 1
Define the vector _cVec_: <<http://samle.dk/STTBDP/Assignment1_2c.png>> (all the numbers from 5 to -5 in increments of -0....

5 years ago

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07 - Common functions and indexing 6
Create a variable _m_ as a magic square with the size 6 x 6 Magic squares are defined as square matrices, where the sum of a...

5 years ago

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Circular Primes (based on Project Euler, problem 35)
The number, 197, is called a circular prime because all rotations of the digits: 197, 971, and 719, are themselves prime. The...

5 years ago

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Sophie Germain prime
In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...

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Find the next prime number
Find the next prime number or numbers for given n. For example: n = 1; out = 2; or n = [5 7]; out = [7 11]; ...

5 years ago

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Largest Twin Primes
<http://en.wikipedia.org/wiki/Twin_prime Twin primes> are primes p1, p2 = p1 + 2 such that both p1 and p2 are prime numbers. Giv...

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Make a vector of prime numbers
Input(n) - length of vector with prime numbers Output(v) - vector of prime numbers Example: * n=1; v=2 * n=3; v=[2 3 5...

5 years ago

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Mersenne Primes vs. All Primes
A Mersenne prime (M) is a prime number of the form M = 2^p - 1, where p is another prime number. <https://www.mathworks.com/matl...

5 years ago

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Matlab Basics II - Determine if an array has a 3rd dimension
For an array A, determine whether it has 3 dimensions, return 0 if x is only 2D, and 1 if x is 3D

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Matlab Basics - Rounding I
Write a script to round x DOWN to the next lowest integer: e.g. x = 2.3 --> x = 2 also: x = 2.7 --> x = 2

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Matlab Basics II - Count rows in a matrix
Write a function that returns that number of rows in a vector or matrix x example: x = [1; 2; 3] output = 3

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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...

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Matlab Basics II - Minimum
Write a function that returns the minimum of each ROW of a matrix x example: x = [1 2 3; 4 5 6]; output [1;4];

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Test - Add sequence of numbers with given start, step, and end

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How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

5 years ago

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Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

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07 - Common functions and indexing 1
Define _cMat_: <<http://samle.dk/STTBDP/Assignment1_3c.png>> ( _cMat_ = 10x10 matrix where the numbers from 1 to 100 runs ...

5 years ago

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Find nearest prime number less than input number
Find nearest prime number less than input number. For example: if the input number is 125, then the nearest prime number whi...

5 years ago

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convert matrix to single column
given any matrix, convert it to single column

5 years 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

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ASCii Code
Using matlab, give the symbol that is associated with ASCii code 122

5 years ago

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give nth decimal place of pi
max 15th place after the decimal point is ok for now

5 years ago

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Rounding
Round 10.67 and make 'y' equal to that number.

5 years ago

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ASCii Code
Using Matlab get the ASCii for '?'

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Deleting an element in a matrix
For vector Grades=[98 56 78 34 100 88 87], delete the number 78 to get the following matrix Grades=[98 56 34 100 88 87] **re...

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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

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Sum of the Multiplication of Vectors
Given the vectors x and y as input, multiply the vectors and return the summation of its elements. Example: x = [1 2 ...

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Add a row of zeros on top of a matrix
Given a matrix, insert a row of zeros as the top row.

5 years ago

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Building matrices
If you have matrix A, create matrix B using matrix A as an "element" A = [1 2 3 4; 5 6 7 8...

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Matlab Basics II - Intervals
Write a function that takes an interval from a to b, and divides it into 5 parts example: a = 1, b = 2 output = 1 1.25 ...

5 years ago