diff options
| -rw-r--r-- | doc/user/eq.skb | 25 | ||||
| -rw-r--r-- | doc/user/src/eq3.skb | 38 |
2 files changed, 61 insertions, 2 deletions
diff --git a/doc/user/eq.skb b/doc/user/eq.skb index 455832b..1ef0208 100644 --- a/doc/user/eq.skb +++ b/doc/user/eq.skb @@ -70,7 +70,16 @@ unlike in the previous example, the equation itself if ,(emph [quoted]), that is, preceded by the ,(tt [']) sign. Additionally, when referring to a symbol (such as the Greek letter ,(symbol "phi")), you no longer need to use the ,(tt [symbol]) markup (,(numref :text [see Section] -:ident "symbols")).])) +:ident "symbols")).]) + + (p [It is possible to create ,(emph [equation display blocks]), +where several equations are displayed and aligned according to a +particular operator. ] + + (example-produce + (example :legend "Inlined, displayed, and aligned equations" + (prgm :file "src/eq3.skb")) + (disp (include "src/eq3.skb"))))) ;; FIXME: Write this. (section :title [Rendering]) @@ -91,7 +100,19 @@ render equations in HTML.]) (:div-style [A symbol denoting the default style for divisions. This should be one of ,(code [over]), ,(code [fraction]), ,(code [div]) and ,(code [slash]). Per-,(code [eq:/]) ,(code -[:div-style]) options override this setting.])) +[:div-style]) options override this setting.]) + (:align-with [Within a ,(code [eq-display]) block, +this should be a symbol specifying according to which operator equations +are to be aligned with one another.])) + :source "skribilo/package/eq.scm") + + (p [Equation display blocks can be defined using ,(code +[eq-display]). Display blocks define the scope of the alignment among +equations as specified by the ,(code [:align-with]) options of ,(code +[eq]).]) + + (doc-markup 'eq-display + `() :source "skribilo/package/eq.scm")) ) diff --git a/doc/user/src/eq3.skb b/doc/user/src/eq3.skb new file mode 100644 index 0000000..e229b6c --- /dev/null +++ b/doc/user/src/eq3.skb @@ -0,0 +1,38 @@ +(p [This paragraph contains this equation: ,(eq :inline? #t '(/ alpha +beta)). This is actually an ,(emph [inline]) equation, meaning that it +occurs within a paragraph. Typesetting has to be adjusted +accordingly.]) + +(eq-display + + (p [This is an equation display block, within which equations can be +aligned with one another.]) + + (eq :ident "eq-limit-b-over-l" + :renderer 'lout + :align-with '= + '(= (limit (/ lambda beta) 0 + (apply IPL n k)) + + ;; non-simplified + (/ (expt (+ alpha beta) k) + (* beta + (sum :from (= x 0) + :to (- k 1) + (* (combinations k x) + (expt beta (- k 1 x)) + (expt alpha x))))))) + + [This equation can be simplified as follows:] + + (eq :ident "eq-limit-b-over-l-simplified" + :renderer 'lout + :align-with '= + '(= ;; simplified + (/ (expt (+ alpha beta) k) + (- (expt (+ alpha beta) k) + (expt alpha k))) + + (limit (/ lambda beta) 0 + (apply IPL n k))))) + |