Error : 'syms' requires Symbolic Math Toolbox.

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Mohamed Khodir
Mohamed Khodir 2021-5-22
评论： Walter Roberson 2022-8-22
Hi everyone
when i run the program at version 2021 a, it shows me this message
'syms' requires Symbolic Math Toolbox.
Error in M17_khodir (line 4)
syms x
however it works with my friend version (2018)
any Help
Thanks
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Annika Stellhorn
Annika Stellhorn 2022-2-3
How to download and install the symbolic math toolbox? I have a license for matlab installed, but still getting this error?

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采纳的回答

Cris LaPierre
Cris LaPierre 2022-2-3
If they are on your license, you can install additional toolboxes using the Add-Ons Explorer.

更多回答（1 个）

kunjbihari kunjbihari
syms y(t)
cond1 = y(0)==0;
cond2= y(1)==0;
eqn = diff(y,t)==(-y-d^2*y/dx)/2;
dsolve(eqn,cond1,cond2)

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