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xiaoyong


Active since 2019

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解决了


找到两个最遥远的点
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

2 years ago

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

3 years ago

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在矩阵中找到质子数的数字均值。
矩阵中总会至少有一个素数。示例：输入in = [8 3 5 9]输出输出为4 ...

3 years ago

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将所有整数从1到2^n总和
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

3 years ago

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more

3 years ago

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

3 years ago

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创建时间表
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

3 years ago

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Fibonacci sequence
计算第n个斐波那契号。给定n，返回f，其中f = fib（n）和f（1）= 1，f（2）= 1，f（3）= 2，...示例：inpu ...

3 years ago

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Determine whether a vector is monotonically increasing
如果输入矢量的元素单调增加（即每个元素都大于上一个），则返回true。返回...

3 years ago

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Swap the first and last columns
翻转矩阵A的最外层列，使第一列变为最后一列，最后一列变为第一个。全部...

3 years ago

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Make a checkerboard matrix
给定整数n，制作由交替的矩阵和零组成，如下所示。A（1,1）应为1. Examp ...

3 years ago

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

3 years ago

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三角数
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

3 years ago

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Is my wife right?
Regardless of input, output the string 'yes'.

3 years ago

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

3 years ago

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

3 years ago

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

3 years ago

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确定输入是否奇怪
给定输入n，如果n为奇数或false，则返回true，如果n为偶数。

3 years ago

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Add two numbers
Given a and b, return the sum a+b in c.

3 years ago

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

3 years ago

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

3 years ago

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 years ago