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Calculate numerical integration.
x=0:0.01:1 y=@(x)x.^2 Using given two inputs(x and y), conduct numerical integration in x. (hint: trapz)

meer dan 4 jaar ago

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Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

meer dan 4 jaar ago

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Lah Numbers
Create a square lower diagonal matrix containing the first n Lah number coefficients. In mathematics, the Lah numbers are coeffi...

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Repeat Vector Values an Arbitrary Number of Times
Given two vectors of the same size, repeat the values of the first vector the number of times given in a second vector. For exam...

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Divide the Least Common Multiple by the Greatest Common Divisor of two numbers
Divide the Least Common Multiple by the Greatest Common Divisor of two numbers. For example, for x=12345 and y=54321, the answer...

meer dan 4 jaar ago

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Frequency Analysis of Text
Frequency analysis is a common task in cryptoanalysis. It is essentially counting the occurrences of alphabets (regardless of ca...

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Calculate time taken by light to reach earth surface
We know the time(seconds) taken by light to reach surface of earth. What if the distance varies yearly or source of light moves ...

meer dan 4 jaar ago

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Component area
Find the area of the component below, all measurements are in mm <<https://image.ibb.co/hocruF/Component.png>>

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Find parts of a circle.
Given radius (r) of a circle find the diameter (d), circumference (c), an area (a).

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vector indexes for a matrix
Matlab allows us to use several indexing styles making code simpler and easier to read than using loops. Vectors can have ve...

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Convert a vector to a lower triangular matrix
I now have a row vector and I want to convert it to a lower trilangular matrix. The rows of the lower trilangular matrix have...

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My Problem, Find the square of the horizontal concatenation of the third and fifth elements of a vector.
given the 1x5 vector x, y must be the square of the horizontal concatenation of the third and fifth elements. So, if x = [1 1 1 ...

meer dan 4 jaar ago

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Another colon problem
This is simple problem based on problems 555, 801, 1118, etc. Create an index vector from two input vectors. Example: ...

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Max Change in Consecutive Elements
If an array is given as input then find the index of consecutive elements that represent maximum change. Example: Input ...

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Find the sequence
Find the nth number of a sequence. Check the test suite to determine the sequence. * hint: it is closely related to familiar ...

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Problem

Find the sequence
Find the nth number of a sequence. Check the test suite to determine the sequence. * hint: it is closely related to familiar ...

meer dan 4 jaar ago | 0 | 26 solvers

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Reverse digits of a number
Reverse digits of a number. For example, return *321* for the input *123* . The left-hand zeros can be discarded. For exam...

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Tribonacci Sequence
Generate the tribonacci sequence upto n

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Problem

Tribonacci Sequence
Generate the tribonacci sequence upto n

meer dan 4 jaar ago | 1 | 42 solvers

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Pell numbers
Find the nth pell number

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Problem

Pell numbers
Find the nth pell number

meer dan 4 jaar ago | 2 | 68 solvers

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(Linear) Recurrence Equations - Generalised Fibonacci-like sequences
This problem is inspired by problems <http://uk.mathworks.com/matlabcentral/cody/problems/2187-generalized-fibonacci 2187>, <htt...

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Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

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Unusual Concatenations
The sum of the squares of certain unusual integers is equal to the concatenation of their individual digits. For example: ...

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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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Whole Number Un-Concatenator
Write a function that accepts an integer and an index digit and returns a vector containing two integers which are the leading a...

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It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more <http://www.snopes.com/language/apocryph/cambridge.asp here>) asserted that readers are re...

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We love vectorized solutions. Problem 1 : remove the row average.
Given a 2-d matrix, remove the row average from each row. Your solution MUST be vectorized. The solution will be tested for ac...

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Number of occurrences of letter in a text
Given an input text either as a string or as a cell array of strings, return a (1 x 26) matrix containing the number of occurren...

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