| 释义 |
dummy variable
dummy variable n (Mathematics) a variable appearing in a mathematical expression that can be replaced by any arbitrary variable, not occurring in the expression, without affecting the value of the whole dummy variable
dummy variable[¦dəm·ē ′ver·ē·ə·bəl] (mathematics) A variable which has no true mathematical significance and is used only to facilitate notation; usually a variable which is integrated over. |