What does ~ stand for in the following example?

What does this piece of code mean? [~,~,P] = size(I);

Answer 1

[Star Strider]

The ‘~’ in that context tells the function to not return that particular output. Apparently ‘I’ is a 3D array, and the person who wrote that only wanted to know the number of ‘pages’ (3rd dimension) of it, not the number of rows or columns, the first and second dimensions respectively.

[Nicoleta]

thx

[Star Strider]

My pleasure.

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