修正符号方程解法.

Signed-off-by: lion.chan <cy187lion@sina.com>
2022-07-16 16:05:06 +08:00 · 2022-07-16 16:05:06 +08:00 · 9b0ca983b9
parent 94b924d707
commit 9b0ca983b9
1 changed files with 3 additions and 3 deletions
--- a/Software/Applications/Octave/Octave_基本操作.md
+++ b/Software/Applications/Octave/Octave_基本操作.md
@ -919,7 +919,7 @@ p = A * X‘ ；

 ```m
 >> pkg load symbolic
->> syms f v o g b
->> fun=(f/v*cos(b))^2-2*o/g-(v*sin(b)/g)^2
->> solve(fun,b)
+>> syms a b c x
+>> eqn=a*x^2+b*x+c==0
+>> x=solve(eqn,x)
 ```