Trung Duong

Oklahoma State University Stillwater

Last seen: 대략 4년 전 | 2016년부터 활동

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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...

5년 초과 전

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inner product of two vectors
inner product of two vectors

대략 8년 전

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

대략 8년 전

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Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

대략 8년 전

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Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

대략 8년 전

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Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

대략 8년 전

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

대략 8년 전

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radius of a spherical planet
you just measured its surface area, that is the input.

대략 8년 전

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Divide by 4
Given the variable x as your input, divide it by four and put the result in y.

대략 8년 전

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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...

대략 8년 전

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

대략 8년 전

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

대략 8년 전

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Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

대략 8년 전

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Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

대략 8년 전

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Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

대략 8년 전

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

대략 8년 전

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Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

대략 8년 전

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Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

대략 8년 전

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Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

대략 8년 전

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Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

대략 8년 전

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Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

대략 8년 전

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

대략 8년 전

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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

대략 8년 전

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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

대략 8년 전

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Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

대략 8년 전

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

대략 8년 전

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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

대략 8년 전

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Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

대략 8년 전

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Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

대략 8년 전

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

대략 8년 전

Trung Duong

Oklahoma State University Stillwater

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Cody

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