Is there a way to exclude variables from a string array after they've been chosen using menu function?

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Gavin Thompson
Gavin Thompson 2021-9-3
编辑： Walter Roberson 2021-9-3
Materials = ["Aluminum";"Cadmium";"Iron";"Tungsten";string(newMaterial)];% newMaterial is Copper in this case
Choice1 = menu('Please choose the alloy''s first component',Materials);
Choice2 = menu('Please choose the alloy''s second component',Materials);
What I need to do is remove the variable chosen in Choice1 from the options of materials to choose in Choice2. I can't seem to find the command/function that will allow me to do this.

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KSSV
KSSV 2021-9-3
编辑：Walter Roberson 2021-9-3
Read about setdiff. Or use strcmp get the position and remove the string.

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