symbolic isequaln command doesn't work for the Folium of Descartes?
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Gilat, MATLAB An Introduction with Applications, Problem 11-7 using Simbolic Math
syms x y t
x=3*t/(1+t^3);
y=3*t^2/(1+t^3);
S1=x^3+y^3
S2=3*x*y
isequaln(S1,S2)
S3=simple(S1)
isequaln(S3,S2)
yields output:
S1 =
(27*t^3)/(t^3 + 1)^3 + (27*t^6)/(t^3 + 1)^3
S2 =
(27*t^3)/(t^3 + 1)^2
ans =
0
S3 =
(27*t^3)/(t^3 + 1)^2
ans =
0
Obviously TRUE but Matlab says FALSE
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