Orthogonal least square, parameterize unit vector using trigs (green)
对学生隐藏该文件夹。
37
Orthogonal least square, unit vector constraint using Lagrange multiplier (green)
对学生隐藏该文件夹。
46
k = a/b-b/a, solve quadratic equation
47
表达式48: "m" Subscript, "l" , Baseline equals "N" left parenthesis, Start sum from "i" equals 1 to "N" , end sum, "X" left bracket, "i" , right bracket "Y" left bracket, "i" , right bracket , right parenthesis minus left parenthesis, Start sum from "i" equals 1 to "N" , end sum, "X" left bracket, "i" , right bracket , right parenthesis left parenthesis, Start sum from "i" equals 1 to "N" , end sum, "Y" left bracket, "i" , right bracket , right parenthesisml=NN∑i=1XiYi−N∑i=1XiN∑i=1Yi
equals=
718.9 0 7 8 1 9 0 1 4718.907819014
48
表达式49: "k" Subscript, "l" , Baseline equals StartFraction, 1 Over "m" Subscript, "l" , Baseline , EndFraction left parenthesis, "N" left parenthesis, Start sum from "i" equals 1 to "N" , end sum, "X" left bracket, "i" , right bracket squared , right parenthesis minus "N" left parenthesis, Start sum from "i" equals 1 to "N" , end sum, "Y" left bracket, "i" , right bracket squared , right parenthesis plus left parenthesis, Start sum from "i" equals 1 to "N" , end sum, "Y" left bracket, "i" , right bracket , right parenthesis squared minus left parenthesis, Start sum from "i" equals 1 to "N" , end sum, "X" left bracket, "i" , right bracket , right parenthesis squared , right parenthesiskl=1mlNN∑i=1Xi2−NN∑i=1Yi2+N∑i=1Yi2−N∑i=1Xi2
equals=
negative 3.6 3 7 3 4 9 4 4 0 9 4−3.63734944094
49
表达式50: "a" Subscript, "l" , Baseline equals "k" Subscript, "l" , Baseline minus signum left parenthesis, "m" Subscript, "l" , Baseline , right parenthesis times StartRoot, "k" squared plus 4 , EndRootal=kl−signml·k2l+4
equals=
negative 7.7 8 8 2 9 0 4 1 3 2 5−7.78829041325
50
表达式51: "b" Subscript, "l" , Baseline equals 2 times 10 to the 0 powerbl=2·100
equals=
22
51
表达式52: "c" Subscript, "l" , Baseline equals negative StartFraction, 1 Over "N" , EndFraction left parenthesis, "a" Subscript, "l" , Baseline left parenthesis, Start sum from "i" equals 1 to "N" , end sum, "X" left bracket, "i" , right bracket , right parenthesis plus "b" Subscript, "l" , Baseline left parenthesis, Start sum from "i" equals 1 to "N" , end sum, "Y" left bracket, "i" , right bracket , right parenthesis , right parenthesiscl=−1NalN∑i=1Xi+blN∑i=1Yi
equals=
3.2 0 4 8 0 0 6 9 3 1 93.20480069319
52
表达式53: "a" Subscript, "l" , Baseline "x" plus "b" Subscript, "l" , Baseline "y" plus "c" Subscript, "l" , Baseline equals 0alx+bly+cl=0
