how to scale the array type double of range [-1,1] to [0,1] and [0,360] to[0,1]
6 次查看(过去 30 天)
显示 更早的评论
i want to scale my values which are in range of [0,360], [-1,1]to [0,1]
0 个评论
回答(5 个)
Jan
2013-8-16
The following scales array x from any range to [0, 1]
scaled = x - min(x);
scaled = scaled / max(scaled);
0 个评论
Alireza Ahani
2021-2-28
check out this function. you can specify also the boundaries.
1 个评论
Walter Roberson
2021-2-28
Correct.
This function did not exist back when the question was asked, but is a useful function to know now.
In older days, the deceptively named mat2gray() function was the one to call to do the rescaling.
Azzi Abdelmalek
2013-8-16
a=-1:0.1:1
b=a-min(a)
e=max(a)-min(a)
out=b/e
% you can use the same code for all cases
0 个评论
Abdullah Caliskan
2017-8-14
编辑:Walter Roberson
2021-2-28
if input is matrix, you can use this. upper, bottom
xmax =max(input);
xmin =min(input);
A=bsxfun(@minus,input,xmin);
B=bsxfun(@rdivide,A,(xmax-xmin));
cikis=B*(upper-bottom)+bottom;
1 个评论
Jan
2017-8-28
This works columnwise. I assume the min and max values should concern the complete matrix.
另请参阅
类别
在 Help Center 和 File Exchange 中查找有关 Characters and Strings 的更多信息
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!