大师作文网用matlab化简下列多项式,要保留5位小数~~
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用matlab化简下列多项式,要保留5位小数~~
0.11971*(x-1.1503)*(x-1.1735)*(x-1.1792)/(1.1275-1.1503)/(1.1275-1.1735)/(1.1275-1.1972)+0.13957*(x-1.1275)*(x-1.1735)*(x-1.1972)/(1.1503-1.1275)/(1.1503-1.1735)/(1.1503-1.1972)+0.15931*(x-1.1275)*(x-1.1503)*(x-1.1972)/(1.1735-1.1275)/(1.1735-1.1503)/(1.1735-1.1972)+ 0.11971*(x-1.1503)*(x-1.1735)*(x-1.1275)/(1.1972-1.1503)/(1.1972-1.1735)/(1.1972-1.1735)
0.11971*(x-1.1503)*(x-1.1735)*(x-1.1792)/(1.1275-1.1503)/(1.1275-1.1735)/(1.1275-1.1972)+0.13957*(x-1.1275)*(x-1.1735)*(x-1.1972)/(1.1503-1.1275)/(1.1503-1.1735)/(1.1503-1.1972)+0.15931*(x-1.1275)*(x-1.1503)*(x-1.1972)/(1.1735-1.1275)/(1.1735-1.1503)/(1.1735-1.1972)+ 0.11971*(x-1.1503)*(x-1.1735)*(x-1.1275)/(1.1972-1.1503)/(1.1972-1.1735)/(1.1972-1.1735)
syms x;
vpa(expand(0.11971*(x-1.1503)*(x-1.1735)*(x-1.1792)/(1.1275-1.1503)/(1.1275-1.1735)/(1.1275-1.1972)+0.13957*(x-1.1275)*(x-1.1735)*(x-1.1972)/(1.1503-1.1275)/(1.1503-1.1735)/(1.1503-1.1972)+0.15931*(x-1.1275)*(x-1.1503)*(x-1.1972)/(1.1735-1.1275)/(1.1735-1.1503)/(1.1735-1.1972)+ 0.11971*(x-1.1503)*(x-1.1735)*(x-1.1275)/(1.1972-1.1503)/(1.1972-1.1735)/(1.1972-1.1735)))
vpa(expand(0.11971*(x-1.1503)*(x-1.1735)*(x-1.1792)/(1.1275-1.1503)/(1.1275-1.1735)/(1.1275-1.1972)+0.13957*(x-1.1275)*(x-1.1735)*(x-1.1972)/(1.1503-1.1275)/(1.1503-1.1735)/(1.1503-1.1972)+0.15931*(x-1.1275)*(x-1.1503)*(x-1.1972)/(1.1735-1.1275)/(1.1735-1.1503)/(1.1735-1.1972)+ 0.11971*(x-1.1503)*(x-1.1735)*(x-1.1275)/(1.1972-1.1503)/(1.1972-1.1735)/(1.1972-1.1735)))
用matlab化简下列多项式,要保留5位小数~~
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