【正文】
示數(shù)據(jù)引起) 數(shù) 學(xué) 系 University of Science and Technology of China DEPARTMENT OF MATHEMATICS 誤差的運(yùn)算 yx eeyxyx ????? )()( ** ** yxee yx??兩相近數(shù)相減,相對誤差增大 |)e||e| } ( |y||,xm a x { | )()()()(yx*******???????????yxexyexxyyyxyxyx 數(shù) 學(xué) 系 University of Science and Technology of China DEPARTMENT OF MATHEMATICS *********** )()( yyyeexyyxxyyyxyyxyyxyxyxxy??????????? 小數(shù)作除數(shù),絕對誤差增大 誤差的運(yùn)算 數(shù) 學(xué) 系 University of Science and Technology of China DEPARTMENT OF MATHEMATICS 例子 求根 0120222 ??? xx 242 0 0 02 0 0 0222,1 ????? xx 1242022202221221??????