MATLAB: How to define a symbolic vector

symbolicvector

Hi all,

I want to define a symbolic vector with dimension N, e.g u(1..N) and use it to do some symbolic calculations, e.g. u(1)+u(2)*u(3)+u(N)^2.

I know that syms is used to define symbols, is there anything similar in defining vectors?

Thank you.

Best Answer

a=sym('a',[1 10])

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MATLAB: How to get symbolic output notation, exp(1)=e

syms u(x);
sympref('FloatingPointOutput',false);
Du=diff(u);
ode=diff(u,x,2)==4*u
ode(x) = 
cond1=u(0)==0
cond1 = 
cond2=Du(1)==exp(sym(2))-exp(sym(-2))
cond2 = 
conds=[cond1 cond2];
uSol(x)=dsolve(ode,conds)
uSol(x) = 
uSol = simplify(uSol)
uSol(x) =

MATLAB: Define a symbolic variable

syms is part of the Symbolic Toolbox, which is not part of basic MATLAB.

The Symbolic Toolbox is included with the Student Suite, but not in the unbundled Student license or any of the other licenses.

Also, even if the Symbolic Toolbox is included in your license, you would need to tell the installer that you wanted to install it.

Best Answer

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MATLAB: How to get symbolic output notation, exp(1)=e

MATLAB: Define a symbolic variable

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