Please change this code from inline to function.

2021 4 11
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更新时间：2021 4 12
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clear all
clc
format short
f1=inline('2*x.^3+y.^3+x.*y-6');
f2=inline('x.^3-y.^3+x.*y-4;');
clear i
X0=[i 1+i]; X1=[-i i-2]; X2=[i+1 1];
for k=1:21
M=[X0 1; X1 1; X2 1];
v=[f1(X0(1),X0(2)); f1(X1(1),X1(2)); f1(X2(1),X2(2))];
c1=M\v;
v=[f2(X0(1),X0(2)); f2(X1(1),X1(2)); f2(X2(1),X2(2))];
c2=M\v;
c=[c1';c2'];
X=-c(1:2,1:2)\c(:,3);
X0=X1; X1=X2; X2=X';
end

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 采纳的回答

Star Strider
Star Strider 2021-4-11

0 个投票

This is straightforward —
f1=inline('2*x.^3+y.^3+x.*y-6');
f2=inline('x.^3-y.^3+x.*y-4;');
magickally becomes —
f1 = @(x,y) 2*x.^3+y.^3+x.*y-6;
f2 = @(x,y) x.^3-y.^3+x.*y-4;
See the documentation section on Anonymous Functions for details.

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