如何计算一元多次方程的所有解(实数和虚数所有的解)?
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:数学作业 时间:2024/07/16 20:01:31
如何计算一元多次方程的所有解(实数和虚数所有的解)?
比如:
8721x^15 + 8721x^14 + 8721x^13 + 8721x^12 + 8721x^11 = 46110
需要所有的15个解.
比如:
8721x^15 + 8721x^14 + 8721x^13 + 8721x^12 + 8721x^11 = 46110
需要所有的15个解.
![如何计算一元多次方程的所有解(实数和虚数所有的解)?](/uploads/image/z/4358931-51-1.jpg?t=%E5%A6%82%E4%BD%95%E8%AE%A1%E7%AE%97%E4%B8%80%E5%85%83%E5%A4%9A%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%9A%84%E6%89%80%E6%9C%89%E8%A7%A3%EF%BC%88%E5%AE%9E%E6%95%B0%E5%92%8C%E8%99%9A%E6%95%B0%E6%89%80%E6%9C%89%E7%9A%84%E8%A7%A3%EF%BC%89%3F)
建议你用MATLAB或者MATHEMITICA软件算,三次方程已经不好算了啊.
MATLAB下面输入:
solve('x^15+x^14+x^13+x^12+x^11=46110/8721')
得到结果为:其中一个实数解,十四个复数解.
ans =
[ -1.1152169330840513044678969904181-.25708671244866928739326424594244*i]
[ -1.1152169330840513044678969904181+.25708671244866928739326424594244*i]
[ -.98139036033570601454028110913317-.69056221333398920127100845037959*i]
[ -.98139036033570601454028110913317+.69056221333398920127100845037959*i]
[ -.62708924488203044214406216030245-.95186741263493297628489107577268*i]
[ -.62708924488203044214406216030245+.95186741263493297628489107577268*i]
[ -.14214372312581642017140380564159-1.1086554107767978206603262357566*i]
[ -.14214372312581642017140380564159+1.1086554107767978206603262357566*i]
[ .31348796169964275368354468747476-1.1275703015018958584329556590608*i]
[ .31348796169964275368354468747476+1.1275703015018958584329556590608*i]
[ .64318720990196283244330241658993-.88609282225033714508577942917884*i]
[ .64318720990196283244330241658993+.88609282225033714508577942917884*i]
[ .90701279479658833013435965915705-.47383409159259900230187916490365*i]
[ .90701279479658833013435965915705+.47383409159259900230187916490365*i]
[ 1.0043045900588205301248746045470]
MATLAB下面输入:
solve('x^15+x^14+x^13+x^12+x^11=46110/8721')
得到结果为:其中一个实数解,十四个复数解.
ans =
[ -1.1152169330840513044678969904181-.25708671244866928739326424594244*i]
[ -1.1152169330840513044678969904181+.25708671244866928739326424594244*i]
[ -.98139036033570601454028110913317-.69056221333398920127100845037959*i]
[ -.98139036033570601454028110913317+.69056221333398920127100845037959*i]
[ -.62708924488203044214406216030245-.95186741263493297628489107577268*i]
[ -.62708924488203044214406216030245+.95186741263493297628489107577268*i]
[ -.14214372312581642017140380564159-1.1086554107767978206603262357566*i]
[ -.14214372312581642017140380564159+1.1086554107767978206603262357566*i]
[ .31348796169964275368354468747476-1.1275703015018958584329556590608*i]
[ .31348796169964275368354468747476+1.1275703015018958584329556590608*i]
[ .64318720990196283244330241658993-.88609282225033714508577942917884*i]
[ .64318720990196283244330241658993+.88609282225033714508577942917884*i]
[ .90701279479658833013435965915705-.47383409159259900230187916490365*i]
[ .90701279479658833013435965915705+.47383409159259900230187916490365*i]
[ 1.0043045900588205301248746045470]