清空筛选条件
清空筛选条件

Generate a 15-by-2 matrix q with random numbers

1 次查看（过去 30 天）
Joe anson
Joe anson 2018-10-3
评论： Joe anson 2018-10-3
What is the solution for these questions
a)Generate a 15-by-2 matrix q with random numbers b) create a 15-by-1 vector of sequential natural numbers from 1to 15 and name it X c)Plot using X and the first column of the matrix q(as Y): d)on the same chat plot using X and the second column of matrix q (as y)
2. Calculate the mean fo reach row of q b) calculate the standard deviation for each column of q
  3 个评论
显示 1更早的评论
Steven Lord
Steven Lord 2018-10-3
If you show us the code you've written to try to solve these problems and explain where you're having difficulty we may be able to offer some suggestions for how to proceed.

请先登录，再进行评论。

请先登录，再回答此问题。

回答（1 个）

Joe anson
Joe anson 2018-10-3
>> q=int8(100*rand(15,2))
q =
15×2 int8 matrix
16 76
97 74
96 39
49 66
80 17
14 71
42 3
92 28
79 5
96 10
66 82
4 69
85 32
93 95
68 3
>> x=int8(15*rand(1,15))
x =
1×15 int8 row vector
7 6 11 12 3 7 7 10 11 11 4 10 10 2 2
how do i calculate std for column of q?????

类别

在 Help Center 和 File Exchange 中查找有关 Feature Detection and Extraction 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by