What is this Matlab symbol '' | ''

Guys, could someone explain what this expression does. Ive never seen this expression before. Thank you.

pGrad=gradX(gradX<0|X>0);

[Stephen23]

https://www.mathworks.com/help/matlab/ref/or.html

https://www.mathworks.com/help/matlab/logical-operations.html

[fadams18]

in this case my gradX and X are matrices of size 300x300. what does this imply taking into account the less and greater operator? sorry for my noob questions.

Answer 1

[KALYAN ACHARJYA]

Logical OR Operation

See details here

https://www.mathworks.com/help/symbolic/or.html

[Stephen23]

@KALYAN ACHARJYA: rather than giving a link to a third-party copy of an old version of the MATLAB documentation, why not simply give a link to the MATLAB documentation itself?

[KALYAN ACHARJYA]

Yes sir, modified. Thanks