Empty sym: 0-by-1
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Im very new to Matlab, than please, can anybody help/
This is the part of the code
syms x1;
solve(x.^2+4*sin(x)==0,x1)
and this is ans
ans =
Empty sym: 0-by-1
What can i fo to fix it?
(The solutions of this equation are:0 and smthng abot -1.93)
回答（1 个）
DEEPAK SHARMA
2020-5-20
vpasolve(x^2+4*sin(x)==0,x, [-2 -1])
ans =
-1.9337537628270212533084756690907
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