% file `diffcoeff.def' % variant forms of derivative % 2018-11-12 % Andrew Parsloe ajparsloe@gmail.com % % paren, up, Up, wrapall, nabla, left, svrule % pvrule, padrift, psqbra, pDelta, pleft, ptxt, pscr %%%%%%%%%% ordinary %%%%%%%%%% % ( ) for pt of eval. \diffdef { paren } { left-delim = \left ( , right-delim = \right ), subscr-nudge = -6 mu } % upright \diffdef { up } { op-symbol = \mathrm{d}, op-order-sep = 0 mu } \diffdef { Up } { op-symbol = \mathrm{D}, op-order-sep = 0 mu } % wrap long vars: (d longvar) \diffdef { wrapall } {long-var-wrap = (dv)} % nabla in numerator, d in denominator \diffdef { nabla } { op-symbol = \nabla, op-symbol-alt = d } % align op left; no italic nudge \diffdef { left } { *-op-left = true, *-italic-nudge = 0 mu } % slash-form: vrule for pt of eval \diffdef { svrule } { /-left-delim = , /-right-delim = | } %%%%%%%%%% partial %%%%%%%%%% % partial, vrule for pt of eval. \diffdef { pvrule } { op-symbol = \partial } % partial, no subscr nudge (adrift in a sea of white space) \diffdef { padrift } { op-symbol = \partial, left-delim = \left ( , right-delim = \right ), subscr-nudge = 0 mu } % partial, [ ] for pt of eval. \diffdef { psqbra } { op-symbol = \partial, left-delim = \left [ , right-delim = \right ], subscr-nudge = 0 mu } % Delta as partial deriv. \diffdef { pDelta } { op-symbol = \Delta , op-order-sep = 0 mu , left-delim = \left ( , right-delim = \right ), subscr-nudge = -6 mu } % align op left; italic nudge \diffdef { pleft } { op-symbol = \partial, *-op-left = true , *-italic-nudge = 3 mu , left-delim = \left ( , right-delim = \right ), subscr-nudge = -3 mu } % partial, textstyle \diffdef { ptxt } { op-symbol = \partial, denom-term-sep = 1 mu , left-delim = \left ( , right-delim = \right ), elbowroom = -2 mu , subscr-nudge = -3 mu } % partial, wide sep of terms \diffdef { pwide } { op-symbol = \partial, denom-term-sep = 3 mu , /-denom-term-sep = 3 mu , left-delim = \left ( , right-delim = \right ), subscr-nudge = -6 mu } %%%%%%%%%% differential %%%%%%%%%% \diffdef { up } { op-symbol = \mathrm{d} }