matlab隐函数画图h=ezplot('log10((0.036-1.93*y)*(0.0045-y))=-7184/(x+273)+1.79');set(h,'LineStyle','--','color','r') ;xlabel('x');ylabel('y');这个函数我画不出来- - 图不显示啊 X的范围是400-900 Y应该在0-0.0045之间 并且标
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![matlab隐函数画图h=ezplot('log10((0.036-1.93*y)*(0.0045-y))=-7184/(x+273)+1.79');set(h,'LineStyle','--','color','r') ;xlabel('x');ylabel('y');这个函数我画不出来- - 图不显示啊 X的范围是400-900 Y应该在0-0.0045之间 并且标](/uploads/image/z/1075035-3-5.jpg?t=matlab%E9%9A%90%E5%87%BD%E6%95%B0%E7%94%BB%E5%9B%BEh%3Dezplot%28%27log10%28%280.036-1.93%2Ay%29%2A%280.0045-y%29%29%3D-7184%2F%28x%2B273%29%2B1.79%27%29%3Bset%28h%2C%27LineStyle%27%2C%27--%27%2C%27color%27%2C%27r%27%29+%3Bxlabel%28%27x%27%29%3Bylabel%28%27y%27%29%3B%E8%BF%99%E4%B8%AA%E5%87%BD%E6%95%B0%E6%88%91%E7%94%BB%E4%B8%8D%E5%87%BA%E6%9D%A5-+-+%E5%9B%BE%E4%B8%8D%E6%98%BE%E7%A4%BA%E5%95%8A+X%E7%9A%84%E8%8C%83%E5%9B%B4%E6%98%AF400-900+Y%E5%BA%94%E8%AF%A5%E5%9C%A80-0.0045%E4%B9%8B%E9%97%B4+%E5%B9%B6%E4%B8%94%E6%A0%87)
matlab隐函数画图h=ezplot('log10((0.036-1.93*y)*(0.0045-y))=-7184/(x+273)+1.79');set(h,'LineStyle','--','color','r') ;xlabel('x');ylabel('y');这个函数我画不出来- - 图不显示啊 X的范围是400-900 Y应该在0-0.0045之间 并且标
matlab隐函数画图
h=ezplot('log10((0.036-1.93*y)*(0.0045-y))=-7184/(x+273)+1.79');
set(h,'LineStyle','--','color','r') ;
xlabel('x');
ylabel('y');
这个函数我画不出来- - 图不显示啊 X的范围是400-900 Y应该在0-0.0045之间 并且标出X=700 740 780 820 860的点啊
matlab隐函数画图h=ezplot('log10((0.036-1.93*y)*(0.0045-y))=-7184/(x+273)+1.79');set(h,'LineStyle','--','color','r') ;xlabel('x');ylabel('y');这个函数我画不出来- - 图不显示啊 X的范围是400-900 Y应该在0-0.0045之间 并且标
clear;
clc;
h=ezplot('log10((0.036-1.93*y)*(0.0045-y))=-7184/(x+273)+1.79',[400 900 0 0.0045]);
set(h,'LineStyle','--','color','r') ;
set(gca,'xticklabel',{'700';'740';'780';'820';'860'});
set(gca,'xtick',700:40:860);
f=@(x,y)(log10((0.036-1.93.*y).*(0.0045-y))+7184./(x+273)-1.79);
x=700:40:860;
xx=zeros(1,length(x));
yy=zeros(1,length(x));
for i=1:length(x)
xx(i)=x(i);
yy(i)=fsolve(@(y)f(x(i),y),0);
s=['\leftarrowy=',num2str(yy(i))];
text(xx(i),yy(i),s);
end
xlabel('x');
ylabel('y');
grid on;