泰勒系列
如果you use both the third argumenta
和ExpansionPoint
to specify the expansion point, the value specified viaExpansionPoint
盛行。
如果var
is a vector, then the expansion pointa
must be a scalar or a vector of the same length asvar
。如果var
is a vector anda
是标量a
is expanded into a vector of the same length asvar
with all elements equal toa
。
如果the expansion point is infinity or negative infinity, then泰勒
计算Laurent系列扩展,这是一个功率系列1/var
。
You can use thesympref
修改符号多项式的输出顺序的函数。