TSERIES
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Syntax
TSERIES ( expression , equation , integer )
Implemented in iMath since version 2.2.0 or earlier.
Explanation
Create a Taylor series for the given expression. The equation must be of the form var = expression where var is the independent variable and expression the point around which the series should be developed. The last parameter gives the grade of the development.
Example
EQDEF arctan(x) = tseries(arctan(x), x=0.7 , 3) will print arctan{x} = 0,1409 + 0,6711 x -0,3153 left(x-0,7 right)^{2}.