matlab绘制隐函数图象char a b f;syms x y f=exp((1/(5*sqrt(2*pi)))*exp(-(y-100)^2/50));ezplot('int(int(f,y,0,969600*b-(20*a+20)*(2000-x)),x,500,2000)=500')

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matlab绘制隐函数图象charabf;symsxyf=exp((1/(5*sqrt(2*pi)))*exp(-(y-100)^2/50));ezplot(''int(int(f,y,0,969600

matlab绘制隐函数图象char a b f;syms x y f=exp((1/(5*sqrt(2*pi)))*exp(-(y-100)^2/50));ezplot('int(int(f,y,0,969600*b-(20*a+20)*(2000-x)),x,500,2000)=500')
matlab绘制隐函数图象
char a b f;
syms x y
f=exp((1/(5*sqrt(2*pi)))*exp(-(y-100)^2/50));
ezplot('int(int(f,y,0,969600*b-(20*a+20)*(2000-x)),x,500,2000)=500')

matlab绘制隐函数图象char a b f;syms x y f=exp((1/(5*sqrt(2*pi)))*exp(-(y-100)^2/50));ezplot('int(int(f,y,0,969600*b-(20*a+20)*(2000-x)),x,500,2000)=500')
F = @(x,y) exp((1/(5*sqrt(2*pi)))*exp(-(y-100).^2/50));
z = @(a,b) quadl(@(x) arrayfun(@(x) quadl(@(y) F(x,y),0,969600*b-(20*a+20).*(2000-x)),x),500,2000);
[A,B] = meshgrid(0.5:.2:2, 0:.05:0.5);
Z = arrayfun(@(a,b) z(a,b),A,B);
surf(A,B,Z)
xlabel( 'a' );
ylabel( 'b' );