sym and syms
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Dwyane Wade
el 14 de Ag. de 2011
Respondida: Dean WANG
el 29 de Sept. de 2018
what is the use of sym and syms and what are their differences?
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Paulo Silva
el 14 de Ag. de 2011
syms is a shortcut to the function sym, it makes it easier for the user to create symbolic variables.
Example:
x=sym('x');
y=sym('y');
Using the shortcut syms you do the same thing just with the code:
syms x y
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Paulo Silva
el 14 de Ag. de 2011
Symbolic variables aren't constants like regular variables, you don't assign any value to them, you can use them to solve expressions using functions from Symbolic Math Toolbox™, for example:
syms a b c x
solve(a*x^2+b*x+c) %finds the roots of the quadratic expression
%Notice the results, it's the quadratic formula/equation
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Dean WANG
el 29 de Sept. de 2018
sym only define one variable,but syms can define more
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