How I can code ||x||=1 with first component x1>0, x is vector

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MAK on 25 Sep 2018

Answered: Dimitris Kalogiros on 25 Sep 2018

How I can code |x|=1 with first component x1>0, x is vector

James Tursa on 25 Sep 2018

Please provide more detail. What problem are you solving with the code? How will this be used downstream in your code? Etc.

Dimitris Kalogiros on 25 Sep 2018

You can use norm or vecnorm .

For example (and by usage of symbolic math toolbox):

clc;close all; clc
X=sym('X', [1, 3])
eq=norm(X)==1

You will receive:

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