如何用matlab求拟合曲线最大值y0=[112.1 102.9 96.2 88.4 82.5 77.4 72.9 70.6 67.5 63.9 61.5 60.2 58.9 57.7 56.5 55.3 52.3 50.1 44.6 39.5 34.8 25.5 15.4 8.5]; x0=[0.53 1.49 2.39 3.28 4.24 4.76 5.30 5.59 5.85 6.27 6.59 6.78 6.96 7.11 7.26 7.34
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![如何用matlab求拟合曲线最大值y0=[112.1 102.9 96.2 88.4 82.5 77.4 72.9 70.6 67.5 63.9 61.5 60.2 58.9 57.7 56.5 55.3 52.3 50.1 44.6 39.5 34.8 25.5 15.4 8.5]; x0=[0.53 1.49 2.39 3.28 4.24 4.76 5.30 5.59 5.85 6.27 6.59 6.78 6.96 7.11 7.26 7.34](/uploads/image/z/1157305-49-5.jpg?t=%E5%A6%82%E4%BD%95%E7%94%A8matlab%E6%B1%82%E6%8B%9F%E5%90%88%E6%9B%B2%E7%BA%BF%E6%9C%80%E5%A4%A7%E5%80%BCy0%3D%5B112.1+102.9+96.2+88.4+82.5+77.4+72.9+70.6+67.5+63.9+61.5+60.2+58.9+57.7+56.5+55.3+52.3+50.1+44.6+39.5+34.8+25.5+15.4+8.5%5D%3B+x0%3D%5B0.53+1.49+2.39+3.28+4.24+4.76+5.30+5.59+5.85+6.27+6.59+6.78+6.96+7.11+7.26+7.34)
如何用matlab求拟合曲线最大值y0=[112.1 102.9 96.2 88.4 82.5 77.4 72.9 70.6 67.5 63.9 61.5 60.2 58.9 57.7 56.5 55.3 52.3 50.1 44.6 39.5 34.8 25.5 15.4 8.5]; x0=[0.53 1.49 2.39 3.28 4.24 4.76 5.30 5.59 5.85 6.27 6.59 6.78 6.96 7.11 7.26 7.34
如何用matlab求拟合曲线最大值
y0=[112.1 102.9 96.2 88.4 82.5 77.4 72.9 70.6 67.5 63.9 61.5 60.2 58.9 57.7 56.5 55.3 52.3 50.1 44.6 39.5 34.8 25.5 15.4 8.5];
x0=[0.53 1.49 2.39 3.28 4.24 4.76 5.30 5.59 5.85 6.27 6.59 6.78 6.96 7.11 7.26 7.34 7.76 8.12 8.48 8.68 8.83 9.06 9.27 9.40];
x=0.53:0.01:9.40;
y=spline(x0,y0,x);
plot(x0,y0,'o',x,y),grid on
已拟合曲线,要求出x*y的最大值并在曲线上标出坐标.
如何用matlab求拟合曲线最大值y0=[112.1 102.9 96.2 88.4 82.5 77.4 72.9 70.6 67.5 63.9 61.5 60.2 58.9 57.7 56.5 55.3 52.3 50.1 44.6 39.5 34.8 25.5 15.4 8.5]; x0=[0.53 1.49 2.39 3.28 4.24 4.76 5.30 5.59 5.85 6.27 6.59 6.78 6.96 7.11 7.26 7.34
接上述代码:
A=x.*y;a=find(A==max(A));hold on;plot(x(a),y(a),'*')
x*y最大的点用*号标出了,不过有点不显眼