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Toeplitz Matrix
For a given square matrix of order n-by-n check whether this is a Toeplitz matrix or not. Return true if it is.

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Find the next state of a JK Flip-Flop
Find the next state (NS) of a JK Flip-Flop based on previous state (PS), inputs. Learn more about JK Flip-Flop theory here: ...

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Sum the Digits of a Number
Given an integer, sum the digits repeatedly until you end up with a single value less than 10. For example, if you add the di...

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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

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Three...is a magic number.
Yes it is... It's a magic number... To help you get rid of that earworm, here's a new Cody problem. You are given a squar...

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Approximate e
Given a and n, compute and approximation to f = a * e ^ n, without the use of exp, string operations, or floating point numbers....

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Polar Form Complex Number Entry
Write a function that takes the magnitude and angle(in degrees) of a complex number and returns a complex variable. Positive ang...

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Find Logic 30

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Find Logic 32

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Find Logic 28

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Stress-Strain Properties - 8
Up to this point, you've calculated some material properties based on tensile stress-strain data. For this problem, you are task...

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Stress-Strain Properties - 7
The toughness of a material is technically defined as the plastic strain energy absorbed by the material (the plastic region in ...

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Stress-Strain Properties - 6
The total energy absorbed by a material up to failure in a tensile test is termed the absorbed strain energy. With respect to th...

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Matrix to vector transformation
given a matrix, make in the output 1 column vector putting odd numbers in ascending order after that put the even numbers in des...

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Create a vector of the first n natural numbers (★)
If n = 7, your program should return a vector y, where y = [1 2 3 4 5 6 7].

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Check if equal
Return true if all the elements of an nD array are equal, false otherwise.

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Ring Matrix
Given n (only odd), return output matrix a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. ...

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Create logarithmically spaced values (★)
Given three numbers a,b,n with b>a, create a vector y with n logarithmic spaced values between 10^a and 10^b. Thus, if a = -2, ...

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Remove DC
Input x is the sampled signal vector, may have both AC and DC components. Output y should not contain any DC component. Examp...

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Remove the air bubbles from a vector
_*A reduced version of Problem 112*_ Given a column vector v, return a vector w in which all the zeros have "bubbled" to the ...

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Guess
A random number between 1 and 10 is created for the variable y. Guess what its value is.

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Perimeter
Given a sequence of points forming a closed path (first and last points are coincident) return the perimeter value. For example...

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Is there a GPU Device?
Return true if there is a supported GPU device available on the Cody computer.

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Draw a '7' in a zero matrix!

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Sum of elements in a vector (★)
(copy of Prob. 3) Find the sum of all the numbers of the input vector x. Input x = [1 2 3 5] Output y is 11 <> ...

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Find nth triangular number.
Calculate the triangular number of given integer n.

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Given a matrix, swap the 2nd & 3rd columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

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Matrix Generation.
if input n =1, generate a matrix y = [1]

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Divisible by 21
Write a function to determine if a number is divisible by 21.

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Guess the logic

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