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Vector addition
Given two row vectors, v1 and v2, each representing an integer, such that the vector elements are the digits from left to right,...

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find the logic,easy one
find the logic behind, example x=18 y=306 x=53 y=2756

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write a function to calculate the snr after quantizing the signal in dB
osig : original signal qsig : quantized signal qerror : quantization error HINT: snr = 10×log10(sum(osig × osig)/sum...

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How to calculate the length of a triangle's side given two angles and one side
You are given a triangle with angles alpha, beta and gamma and sides a opposite alpha, b opposite beta and c opposite gamma. ...

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Roots of a quadratic equation.
Calculate the roots of a quadratic equation, given coefficients a, b, and c, for the equation a*x^2 + b*x + c = 0.

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Perimeter of a quadrilateral
There are four cars starting at a point. The first car points north, the second one points east, the third one points south, an...

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No more zeros
Given an array with zeros at the beginning or at the end, you should get the output without these zeros: input = [zeros(5...

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Approximate the cosine function
Without using MATLAB trigonometric functions, calculate the cosine of an argument |x| to a precision of |0.0001| *Hint:* You ...

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SHIFT REGISTER
INPUT IS DECIMAL NUMBER. CONVERT IT INTO A BINARY SEQUENCE. THEN SHIFT THE SEQUENCE BY AN AMOUNT OF GIVEN NUMBER OF BITS. FOR E...

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Read it !
read and return the following word. 'M M A TTTTTTTTTL A BBB ' 'MM MM A A T L ...

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String Delimination and Outputting
In this problem, take an incoming string and deliminate the string based on spaces. Output the first string in between the space...

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Calculate the volume of the cube.
Example n = 3; a=volume(n); a = 27

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Analyze observation data
Suppose you have the following data (A,B,C) in three-column format. A B C -------------------------- t=1 ...

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

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Whole Number Concatenator
Write a function that concatenates whole numbers. For example: numcat(111,222) should return 111222 numcat(1,2,3,4,5) s...

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Capitilize the first letter of every word in a string
For a given input string, capitalize every letter at the beginning of a word, and transform the rest of the letters to lower-cas...

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Pandigital number n°1 (Inspired by Project Euler 32)
A little warm-up to begin... An n-digit number is pandigital if it makes use of all the digits 1 to n exactly ONCE. For ex...

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Sort (high on middle, low on ends)
Sort the vector of numbers in order low-high-low. Even numbers appear in ascending order on the left and odd numbers appear in d...

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Problem 44444 !!! free beer everyone
just say hallelujah to solve this problem

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Elements with highest local average
Input v is a row vector such that length(v)>3. Consider a sliding window of length 3 that is used to calculate the local average...

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Find indices of diagonal elements
Given a matrix A and a diagonal index d (where 0 indicates the main diagonal and off-diagonals are identified by positive and n...

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design a magic matrix without using the command magic.
Like magic(4) = 16 3 2 13;5 10 11 8;9 6 7 12;4 15 14 1

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Change on Spiral Matrix
n>=3, generate a matrix of nth such that n^2 is the max number, and max number must be in [1,1] or [end, end]. One example will ...

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Zero Cross
Write a function that counts the number of times n a signal x crosses zero or changes sign. Examples x = [1 2 -3 -4 5 6 ...

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Sideways sum
Given natural number calculate its _population count_.

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Electrical Diode Current Calculation
In engineering, there is not always a single equation that describes a phenomenon accurately enough to be applied in all instanc...

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Probability of red tulips
I hope to give you bulbs of tulip. But I do not know the color of those petals. I just know that the color is red, white or yell...

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Find the mean of two vectors
Take two vectors, and output the mean of them (bonus if you don't use the in-built mean function)

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Matrix Generation from Vector Multiplication
Output the matrix generated from multiplying two vectors together

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Deriving a function using the difference quotient
Write a function that evaluates the derivative of a function in a given point using the well-know formula of the difference quot...

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