diff options
Diffstat (limited to 'src/algebra/tube.spad.pamphlet')
| -rw-r--r-- | src/algebra/tube.spad.pamphlet | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/algebra/tube.spad.pamphlet b/src/algebra/tube.spad.pamphlet index 9d74406f..b2efebff 100644 --- a/src/algebra/tube.spad.pamphlet +++ b/src/algebra/tube.spad.pamphlet @@ -86,16 +86,16 @@ TubePlotTools(): Exports == Implementation where ++ specified coordinates \spad{x1}, \spad{x2}, \spad{x3}, and also ++ a fourth coordinate, c, which is generally used to specify the ++ color of the point. - "*" : (SF,Pt) -> Pt + * : (SF,Pt) -> Pt ++ s * p returns a point whose coordinates are the scalar multiple ++ of the point p by the scalar s, preserving the color, or fourth ++ coordinate, of p. - "+" : (Pt,Pt) -> Pt + + : (Pt,Pt) -> Pt ++ p + q computes and returns a point whose coordinates are the sums ++ of the coordinates of the two points \spad{p} and \spad{q}, using ++ the color, or fourth coordinate, of the first point \spad{p} ++ as the color also of the point \spad{q}. - "-" : (Pt,Pt) -> Pt + - : (Pt,Pt) -> Pt ++ p - q computes and returns a point whose coordinates are the ++ differences of the coordinates of two points \spad{p} and \spad{q}, ++ using the color, or fourth coordinate, of the first point \spad{p} |