清空筛选条件
清空筛选条件

Convert a integer matrix to a red and blue colored matrix

2 次查看（过去 30 天）
Debadipto
Debadipto 2022-9-10
评论： Debadipto 2022-9-10
I have the following matrix A = [-1 1 1; 1 -1 1; -1 -1 -1], I want to convert it to a colored matrix with cells corresponding to 1 colored red and -1 colored blue. Something like this:
How do I do that in matlab?

请先登录，再回答此问题。

采纳的回答

Chunru
Chunru 2022-9-10
Ran in:
A = [-1 1 1; 1 -1 1; -1 -1 -1]
A = 3×3
-1 1 1 1 -1 1 -1 -1 -1
imagesc(A);
% select a colormap
cmap = hsv(8); % based on hsv
cmap = cmap([5 1], :); % choose color 5 and 1
colormap(cmap);
colorbar

更多回答（0 个）

类别

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

标签

产品

Community Treasure Hunt

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

Start Hunting!

Translated by