What is the difference between a^3 and a.^3 if a is a matrix?

12 次查看（过去 30 天）
Eduardo Gallegos
Eduardo Gallegos 2022-10-29
编辑： James Tursa 2022-10-29
C = magic(3)
D = C.^3;
D_max = max(D(:));
E = C^3

请先登录，再回答此问题。

采纳的回答

James Tursa
James Tursa 2022-10-29
编辑：James Tursa 2022-10-29
E = C^3 is a matrix power, equivalent to E = C*C*C, where these are all matrix multiplies.
D = C.^3 is element-wise power, where D(1,1) = C(1,1)*C(1,1)*C(1,1), etc.

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Database Toolbox 的更多信息

标签

产品


版本

R2021a

Community Treasure Hunt

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

Start Hunting!

Translated by