How to solve a differential equation and the plug a number in for the resulting differential equation

10 ビュー (過去 30 日間)
I can do diff((1 + 5 * x^2 - 2 * x^3 + 8 * x^4) ^(1/8))), but I don't have an idea what to after

回答 (1 件)

David Goodmanson
David Goodmanson 2020 年 2 月 14 日
Hi Benjamin,
syms x
d = diff((1 + 5 * x^2 - 2 * x^3 + 8 * x^4) ^(1/8))
x0 = 8.8
val = double(subs(d,x0))
val =
0.2187
% this shows part of what is going on
dx0 = subs(d,x0)

カテゴリ

Help Center および File ExchangeProgramming についてさらに検索

Community Treasure Hunt

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

Start Hunting!

Translated by