Vandermonde's determinant
Note that the determinant is non-zero, and so the matrix is invertible, if and only if the xi are distinct.
- weighted mean
- Weil conjectures
- well-conditioned problem
- well defined
- well-formed formula
- well ordered
- Weyl, Hermann
- wff
- Whitehead, Alfred North
- Whitney embedding theorem
- whole angle
- whole number
- Wiener, Norbert
- Wilcoxon paired sample test
- Wilcoxon rank-sum test
- Wilcoxon signed rank test
- Wiles, Andrew John
- Wilson's theorem
- winding number
- within-subjects design
- Witten, Edward
- Wolf Prize
- word
- word problem
- work