finding matrix base on linear equation

2 次查看（过去 30 天）
Nir Shwartz
Nir Shwartz 2022-1-18
回答： Star Strider 2022-1-18
hello,
given a linear quation, y=ax+b y=-0.15x-21.3, how can find a matrix for y=Ax?
thanks

请先登录，再回答此问题。

回答（1 个）

Star Strider
Star Strider 2022-1-18
Ran in:
I’m not certain what the desired result is here.
Try this —
x = linspace(-10, 10, 5);
y = -0.15*x-21.3;
X = [x(:), ones(size(x(:)))] % Design Matrix
X = 5×2
-10 1 -5 1 0 1 5 1 10 1
Coefficients = X \ y(:) % Proof
Coefficients = 2×1
-0.1500 -21.3000
.

类别

在 Help Center 和 File Exchange 中查找有关 Creating and Concatenating Matrices 的更多信息

标签

产品


版本

R2016a

Community Treasure Hunt

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

Start Hunting!

Translated by