how to create symbolic function?

2017 10 30
2 个回答
回答已采纳
更新时间：2021 5 9
8 次查看（30 天）

0 个投票

I need to transform the following function to the symbolic form to evaluate it with arbitrary precision.
Z(N,Thetas) = prod((1 - exp(-(N:-1:2).*Thetas))./(1 - exp(-Thetas)),2)
where Thetas is matrix M x N-1 of the positive real numbers. So the expected result is vector Z (M x 1). I am not able to rewrite function Z to symbolic form and than evaluated it by vpa() command.
Any idea how to effectively solve it?

请先登录，再回答此问题。

 采纳的回答

Michal
Michal 2017-10-30
编辑：Michal 2017-10-30

0 个投票

function Z=symZ(N,Thetas,Ndigit)
Thetas = sym(Thetas);
Zsym = prod((1 - exp(-(N:-1:2).*Thetas))./(1 - exp(-Thetas)),2);
Z = vpa(Zsym,Ndigit);
end

更多回答（1 个）

0 个投票

how evaluate an symbolic expresion?

类别

在 帮助中心 和 File Exchange 中查找有关 Symbolic Math Toolbox 的更多信息

产品

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by