• driving_crooner@lemmy.eco.br
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    6 hours ago

    If 2d, Y up, if 3d Z up.

    I always tough as inputs down, answer up. And usually, x is the variable y the result, or xy the variables and z the result

    • Sir_Premiumhengst@lemmy.world
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      6 hours ago

      Oh. Agree, also use the same convention; my brain never made the connection f(i, j) goes up and i and j are inputs and stay down.