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matlab绘制三维图,

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matlab绘制三维图,
>> close;clear;
% 初始条件
RT = 1; % 道路等级,主干道
LT = 65 * pi / 180; % 截光型灯具
AE = 10 * pi / 180; % 灯具仰角
IP = 0.7; % 维护系数
H = 10; % 安装高度
D = 30; % 安装间距
OH = 0; % 悬挑长度
WEFF = 12; % 路面有效宽度
ST = 2; % 布灯方式,双侧对称布灯
LM = 80; % 灯具效率 80lm/W
U = 48; % 灯具工作电压
I = 2.5; % 灯具工作电流
EL = 0; % 环境光补偿
% 生成二维网格数据
LM1 = [80,80,80,80,80,80,80,80];
U1 = [48,48,48,48,48,48,48,48];
I1 = [2.5,2.5,2.5,2.5,2.5,2.5,2.5,2.5];
x0 = H * tan(AE);
y0 = 0;
xa = 0:1:12;
ya = 0:1:90;
[x,y] = meshgrid(xa,ya);
% calculate z data
z = 0;
for i = 1:1:8
\x05F = LM1(i) * U1(i) * I1(i);
\x05H_2 = H * H;
\x05D_2 = x.^2 + y.^2 + H_2;
\x05D0_2 = x0.^2 + y0.^2 + H_2;
\x05d_2 = (x - x0).^2 + (y - y0).^2;
z = z + (((D_2 + D0_2 - d_2) * F * H) / (2 * pi * D_2.^2 * D0_2.^(1 / 2)));
end
% show draw
mesh(x,y,z);
Warning:Rank deficient,rank = 3,tol = 3.1640e-004.
Warning:Rank deficient,rank = 3,tol = 3.1640e-004.
Warning:Rank deficient,rank = 3,tol = 3.1640e-004.
Warning:Rank deficient,rank = 3,tol = 3.1640e-004.
Warning:Rank deficient,rank = 3,tol = 3.1640e-004.
Warning:Rank deficient,rank = 3,tol = 3.1640e-004.
Warning:Rank deficient,rank = 3,tol = 3.1640e-004.
Warning:Rank deficient,rank = 3,tol = 3.1640e-004.
Warning:Matrix dimensions must agree,not rendering mesh.
Warning:Matrix dimensions must agree,not rendering mesh.
Warning:Matrix dimensions must agree,not rendering mesh.
Warning:Matrix dimensions must agree,not rendering mesh.
matlab绘制三维图,
% z = z + (((D_2 + D0_2 - d_2) * F * H) ./ (2 * pi * D_2.^2 * D0_2.^(1 / 2))); % 把/ 改为./
close;clear;
% 初始条件
RT = 1; % 道路等级,主干道
LT = 65 * pi / 180; % 截光型灯具
AE = 10 * pi / 180; % 灯具仰角
IP = 0.7; % 维护系数
H = 10; % 安装高度
D = 30; % 安装间距
OH = 0; % 悬挑长度
WEFF = 12; % 路面有效宽度
ST = 2; % 布灯方式,双侧对称布灯
LM = 80; % 灯具效率 80lm/W
U = 48; % 灯具工作电压
I = 2.5; % 灯具工作电流
EL = 0; % 环境光补偿
% 生成二维网格数据
LM1 = [80, 80, 80, 80, 80, 80, 80, 80];
U1 = [48, 48, 48, 48, 48, 48, 48, 48];
I1 = [2.5, 2.5, 2.5, 2.5, 2.5, 2.5, 2.5, 2.5];
x0 = H * tan(AE);
y0 = 0;
xa = 0:1:12;
ya = 0:1:90;
[x,y] = meshgrid(xa,ya);
% calculate z data
z = 0;
for i = 1:1:8
F = LM1(i) * U1(i) * I1(i);
H_2 = H * H;
D_2 = x.^2 + y.^2 + H_2;
D0_2 = x0.^2 + y0.^2 + H_2;
d_2 = (x - x0).^2 + (y - y0).^2;
z = z + (((D_2 + D0_2 - d_2) * F * H) ./ (2 * pi * D_2.^2 * D0_2.^(1 / 2)));
end
% show draw
mesh(x,y,z);
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