优化代码
时间: 2023-08-11 15:16:11 浏览: 44
根据您提供的代码,我对其进行了一些优化,主要包括:
1. 变量命名:将一些不具有意义的变量名改为具有意义的变量名,增加代码可读性。
2. 代码结构:将代码按照功能进行分块,增加注释,提高代码可读性。
3. 循环结构:将 if...elseif 语句替换为 switch...case 语句,提高代码执行效率。
4. 函数封装:将代码封装成函数,以便于复用和维护。
5. 表达式优化:将一些重复计算的部分提取出来,避免重复计算,提高代码执行效率。
下面是优化后的代码:
```
function [v, Rap, Rlamd, Rp, Rc] = calculate_values(jjz, jji, Sz, de, dee, H_layer, vt, apor, lamdpor, p, c, d0, d1, d2, d3)
% Calculate values based on input parameters
% Pre-calculate some values to avoid repeated calculations
S1 = Sz * (de - H_layer(1)) / dee;
S2 = Sz * (H_layer(2) - H_layer(1)) / dee;
S3 = Sz * (H_layer(3) - H_layer(2)) / dee;
S4 = Sz * (dee + de - H_layer(1)) / dee;
d0S1 = d0 * S1;
S1d1 = S1 * d1;
S2d0 = S2 * d0;
S1d2 = S1 * d2;
S3d0 = S3 * d0;
S2d1 = S2 * d1;
d3S1 = d3 * S1;
d2S2 = d2 * S2;
d1S3 = d1 * S3;
d0S4 = d0 * S4;
switch jjz
case jji
v = vt(jjz);
Rap = apor(jjz);
Rlamd = lamdpor(jjz);
case 1
switch jji
case 2
s2 = 1 / (S1 + S2);
Rlamd = exp((S1d1 + S2d0) * s2);
Rp = (S1 * p(2) + S2 * p(1)) * s2;
Rc = (S1 * c(2) + S2 * c(1)) * s2;
Rap = Rlamd / Rp / Rc;
v = vt(jjz);
case 3
s3 = 1 / (S1 + S2 + S3);
Rlamd = exp((S1d2 + S2d1 + S3d0) * s3);
Rp = (S1 * p(3) + S2 * p(2) + S3 * p(1)) * s3;
Rc = (S1 * c(3) + S2 * c(2) + S3 * c(1)) * s3;
Rap = Rlamd / Rp / Rc;
v = vt(jjz);
case 4
s4 = 1 / (S1 + S2 + S3 + S4);
Rlamd = exp((d3S1 + d2S2 + d1S3 + d0S4) * s4);
Rp = (S1 * p(4) + S2 * p(3) + S3 * p(2) + S4 * p(1)) * s4;
Rc = (S1 * c(4) + S2 * c(3) + S3 * c(2) + S4 * c(1)) * s4;
Rap = Rlamd / Rp / Rc;
v = vt(jjz);
end
case 2
switch jji
case 1
s2 = 1 / (S1 + S2);
Rlamd = exp((d0S1 + d1S2) * s2);
Rp = (S1 * p(1) + S2 * p(2)) * s2;
Rc = (S1 * c(1) + S2 * c(2)) * s2;
Rap = Rlamd / Rp / Rc;
v = vt(jjz);
end
end
```
希望这可以帮助您提高代码的可读性和性能。