calculate differentiation with large coefficient

Please help me
I'm trying to solve differential equation with this script using diff, but the coefficient result appear as a big series of number. How can I simplified it the coefficient?
omeganol=2.5;
E=50;
I=30;
L=600;
syms x
y=omeganol/(120*E*I*L)*(-x^5+2*600^2*x^3-600^4*x)
y = 
ydif=diff(y)
ydif = 

 Risposta accettata

Here is a bit improved solution:
omeganol=2.5;
E=50;
I=30;
L=600;
syms y(x)
y(x)=vpa(omeganol/(120*E*I*L)*(-x^5+2*600^2*x^3-600^4*x))
y(x) = 
ydif=diff(y(x))
ydif = 

Più risposte (2)

Use sym() to get accurate values.
The ideal approach would be to use sym() on every unique number.
omeganol=2.5;
E=50;
I=30;
L=600;
syms x
y=omeganol/sym(120*E*I*L)*(-x^5+2*600^2*x^3-600^4*x)
y = 
ydif=diff(y)
ydif = 
Hi,
MATLAB offers a function named simplify, which can help simplify different algebraic expressions.
omeganol=2.5;
E=50;
I=30;
L=600;
syms x
y1=simplify(omeganol/(120*E*I*L)*(-x^5+2*600^2*x^3-600^4*x))
y1 = 
y=omeganol/(120*E*I*L)*(-x^5+2*600^2*x^3-600^4*x)
y = 
Since the fraction is irrational, MATLAB prefers keeping it in the fraction form instead of converting it to scientific notation.
If you wish to learn more about simpliy, please refer to the MathWorks documentation below:

Categorie

Scopri di più su Programming in Centro assistenza e File Exchange

Community Treasure Hunt

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

Start Hunting!

Translated by