What is the meaning of Adding a String to a Double?

10 ビュー (過去 30 日間)
Ajmal
Ajmal 2013 年 6 月 6 日
{
x=17
x_s = num2str(x)
out = x_s+0
}
out is equal to [49 55] of type double
What exactly is going on?

サインインしてこの質問に回答する。

回答 (1 件)

Iain
Iain 2013 年 6 月 6 日
Strings are represented as integer values.
A = 65, B = 66...
You can ADD numbers, say, 65 + 1, and you would get 66, which is also B.
Adding 0 to a string is just a cheap way of turning a string into a double.
Its like doing xor(A,A) to get 0.

カテゴリ

Help Center および File Exchange で Characters and Strings 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