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hongxin huang


Last seen: 23 days ago Active since 2020

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Research on population growth
A Live script which demonstrates the rules of population growth

1 year ago | 1 download |

Submitted


种群数量增长探究
本实时脚本描述了: ·种群的无限和有限增长 ·种群的两种生殖对策 ·二种群的种间竞争和捕食

1 year ago | 0 downloads |

Submitted


种群数量增长探究
本实时脚本中列举了有关种群增长的几种常见的方式,描述了种群的两种生殖对策,并用图像展示了二种群的种间竞争和捕食关系下种群数量变化趋势。读者可以通过滑动滑块来了解各项参数变化时种群数量增长的不同情况,适合学生自学或是用于培养儿童学习兴趣。

1 year ago | 0 downloads |

Solved


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

1 year ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

1 year ago

Solved


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...

1 year ago

Solved


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

1 year ago

Solved


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 ...

1 year ago

Solved


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...

1 year ago

Solved


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:...

1 year ago