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Determine if input is greater than pi
Evaluate if given number is greater than pi. If greater, return true; else, return false.

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Matrix symmetry
Given a matrix A = [1 2 3; 4 5 6] Flip it horizontally and vertically to obtain a complete reversal of both rows and columns. ...

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Bag of apples
find probabilty of getting red apples from a bag of 'r' red and 'g' green apples.

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Find sum of alternate numbers in a vector
Find sum of alternate numbers in a vector starting from index 1

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Find cross product of 2 vectors
Find cross product of 2 vectors

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Multiply by 5
Given an input x (scalar), multiply it by 5.

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Sum of Squares
Given a vector v of length n, write a MATLAB function to calculate the sum of the squares of its elements.

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Sum the two halves of an array with an even number of elements
given an array of an even number of elements, sum the front and back half of the array and return the sums as an array For exam...

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Add Even and Subtract Odd Numbers in an Array
For an input array, add all the even values and subtract the odd values. This final value is the output. E.g. input = [1 2 3 4...

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findPositiveEvenNumbers
Write a MATLAB function findPositiveEvenNumbers that takes an array of integers as input and returns a new array containing only...

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Sales Tax

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Minkowski distance

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Slope intercept application
Find y given slope (m), x, and y intercept (b).

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Index of a Rational number
The set of real numbers are infinite. They are so many that real numbers can't even be enumerated. However, unlike real numbers ...

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Sort numbers by outside digits
Sort the array so that they are sorted as if their value was a 5 digit number made from the first three and last two digits of t...

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Time Expansion
How can you slow down any discrete-time signal? Example Input original signal x. x = [1 2 3 -1 -2 -5 -4] We want t...

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Replace pattern 0 1 0 and 1 0 1
Find and replace a pattern in a row of zeroes and ones. * Find 1 0 1 and replace it with 1 1 1 * Find 0 1 0 and replace it w...

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Subset Sum
Given a vector v of integers and an integer n, return the the indices of v (as a row vector in ascending order) that sum to n. I...

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Counting Sequence
Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

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Function Iterator
Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

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Pattern matching
Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

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Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

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The Goldbach Conjecture, Part 2
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

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Respondida
How to programmatically set model to use data dictionary?
Hi Izaak, to set data dictionary used by a model you could use the command: set_param('ModelName','DataDictionary','DataDiction...

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How long is the longest prime diagonal?
Stanislaw Ulam once observed that if the counting numbers are arranged in a spiral, the prime numbers contained in it form a sur...

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Kaprekar Steps
6174 is the Kaprekar constant. All natural numbers less than 10,000 (except some with same digits) can be reduced to 6174 in the...

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What is the next step in Conway's Life?
Given a matrix A that represents the state of Conway's game of Life at one instant (time t=n), return the matrix B that represen...

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Jack O'Lantern
If visualized correctly, the data contained in the matrix A will look like a jack-o'-lantern. Create a function that will visu...

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Adding Inset Plots
You can use the axes function to define the position of an empty x/y axis. The position is measured relative the the bottom left...

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Plot Line Specifications
Create a line plot for function cos(x) where x is a vector of linearly spaced values going from 0 to input N with an increment o...

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