How can I cancel ("NaN" value) elements of a matrix based on another matrix's "NaN" values?

1 回表示 (過去 30 日間)
André Gadêlha
André Gadêlha 2017 年 9 月 25 日
コメント済み: Stephen23 2017 年 9 月 25 日
Hi everyone,
Let's suppose I have a matrix A: A = 1 2 3; 4 5 6; 7 8 9
and a matrix B: B= 1 NaN 3; NaN 5 6; 7 NaN NaN
I want to cancel the same elements that are canceled in matrix B. It would be:
A2= 1 NaN 3; NaN 5 6; 7 NaN NaN
How can I do that?

サインインしてこの質問に回答する。

回答 (2 件)

OCDER
OCDER 2017 年 9 月 25 日
Use isnan to find where NaN values are. Then replace elements in A with NaN to get A2.
A2 = A;
A2(isnan(B)) = NaN;
A2 =
1 NaN 3
NaN 5 6
7 NaN NaN
Andrei Bobrov
Andrei Bobrov 2017 年 9 月 25 日
A2 = B./B.*A

カテゴリ

Help Center および File Exchange で Creating and Concatenating Matrices についてさらに検索

タグ

Community Treasure Hunt

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

Start Hunting!

Translated by