(4/7+16/9+58/11+38/13)÷(1/7+8/3+4/11+41/13),
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(4/7+16/9+58/11+38/13)÷(1/7+8/3+4/11+41/13),(4/7+16/9+58/11+38/13)÷(1/7+8/3+4/11+41/13),(4/7+16/9+58
(4/7+16/9+58/11+38/13)÷(1/7+8/3+4/11+41/13),
(4/7+16/9+58/11+38/13)÷(1/7+8/3+4/11+41/13),
(4/7+16/9+58/11+38/13)÷(1/7+8/3+4/11+41/13),
(4/7+16/9+58/11+38/13)÷(1/7+8/3+4/11+41/13)
=((4*9*11*13+16*7*11*13+58*7*9*13+38*7*9*11)/(7*9*11*13))÷((1*9*11*13+8*7*3*11*13+4*7*9*13+41*7*9*11)/(7*9*11*13))
=(5148+16016+47502+26334)/(1287+24024+3276+28413)
=95000/57000
=95/57
=5/3
(4/7+16/9+58/11+38/13)÷(1/7+8/3+4/11+41/13),
1. 11,13,17,23,29,( 30, 34, 35, 382. 20,4,5,16,2,8,4,4,(),9,21,3 17,7,18,83. 20/9,4/3,7/9,4/9, 1/4,( 5/9, 5/6, 1/36, 5/364. 1,2,2,4,3,8,4,14,5,( 20 22 25 275. 25,32,37,47,( 56,57,58,596. 86,75,63,54,45,( 38 37 36 45谢谢了.
怎样用matlab作数据的最小二乘拟合时间(小时) 0.25 0.5 0.75 1 1.5 2 2.5 3 3.5 4 4.5 5酒精含量 30 68 75 82 82 77 68 68 58 51 50 41时间(小时) 6 7 8 9 10 11 12 13 14 15 16 酒精含量 38 35 28 25 18 15 12 10 7 7 4
急,matlab曲线拟合问题,有这两组数据t=[ 0.25; 0.5; 0.75; 1; 1.5; 2; 2.5; 3; 3.5; 4; 4.5; 5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16 ];c=[ 30; 68; 75; 82; 84; 77; 70; 68; 58; 51; 50; 41; 38; 35; 28; 25; 18; 15; 12; 10; 7; 7; 4 ];拟合出如
5/6+38+2/9+27+16+2/7+1/6+2/5+11/12+5/8+4/9+7/8=?
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+99+58+45+69
1+2+4+5+9+8+16+11+…+a+38,其中a是什么
1 +2-3+4+5-6+7+8-9+10+11-12.+58+59-60巧算
matlab中inline函数的使用问题代码如下:>> t=[0.25,0.5,0.75,1,1.5,2,2.5,3,3.5,4,4.5,5,6,7,8,9,10,11,12,13,14,15,16];>> c2=[30,68,75,82,82,77,68,68,58,51,50,41,38,35,28,25,18,15,12,10,7,7,4];>> f=inline('a(1)*exp(-a(3)*t)*((exp(a(3)*t)-1)/a
把下面每组数中的分数按照从小到大的顺序排列起来 11/12、23/24和15/16 5/18、11/32和7/4623/9、38/15和13/6 1/4、5/6和7/16急
matlab 最小二乘拟合曲线哪里出了错求支援啊!>> t=>> t=[0.25,0.5,0.75,1,1.5,2,2.5,3,3.5,4,4.5,5,6,7,8,9,10,11,12,13,14,15,16];>> c2=[30,68,75,82,77,68,68,58,51,50,41,38,35,28,25,18,15,12,10,7,7,4];>> b=c2/102.04;>> f=inline('a(1)/(a(2)-
怎样简便就怎样算:5/6*11加5/6 120+290/58*16 (2/3-2/5)*(1/8+1/12) 9/8/【3/4-(7/16-1/4)】
matlab求曲线拟合参数x=[0.25,0.5,0.75,1,1.5,2,2.5,3,3.5,4,4.5,5,6,7,8,9,10,11,12,13,14,15,16]y=[30,68,75,82,82,77,68,68,58,51,50,41,38,35,28,25,18,15,12,10,7,7,4]求A和B的值 请问该如何编写程序.
请问matlab中nlinfit拟合函数怎么用>> t = [0.25,0.5,0.75,1,1.5,2,2.5,3,3.5,4,4.5,5,6,7,8,9,10,11,12,13,14,15,16];>> y = [30,68,75,82,82,77,68,68,58,51,50,41,38,35,28,25,18,15,12,10,7,7,4];拟合出k1,k2,k3,函数是这样的:
拟合_洒驾问题已知时间:tdata=[0.25 0.5 0.75 1 1.5 2 2.5 3 3.5 4 4.5 5 6 7 8 9 10 11 12 13 14 15 16];酒精含量:vdata=[30 68 75 82 77 68 68 58 51 50 41 38 35 28 25 18 15 12 10 7 7 4];求式中的k1,k2,k3tdata对就公式中的t,vdata
数字排列组合1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 这些数字用11个组一组.能排多少组
matlab lsqcurvefit 函数的使用函数 function y=fun2(x,tdata)y=2/(1/x(1)+2*exp(-x(2)*tdata)*x(3));主程序tdata=[0.25 0.5 0.75 1 1.5 2 2.5 3 3.5 4 4.5 5 6 7 8 9 10 11 12 13 14 15 16];ydata=[30 68 75 82 82 77 68 68 58 51 50 41 38 35 28 25 18 15 1
用matlab拟合下面一组数据的曲线x=[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 7