While Generating Elements While Creating a Matrix, the following happened.....

While Generating Elements While Creating a Matrix, the following happened.....

>> A = sym('A', [2 4]) ??? Error using ==> error Formatted arguments cannot be non-scalar numeric matrices.

Error in ==> sym.sym at 100 error('symbolic:sym:sym:errmsg4','Second argument %s not recognized.',a);

Help required...

Answer 1

[Walter Roberson]

Which MATLAB version are you using? The ability to specify a size matrix in sym() is quite new, R2010b I think it is; with older MATLAB releases the error message for trying it might be strange.

[Sukhmeet]

7.0.0.19920(R14)

is there any other method to do the same....

[Walter Roberson]

That version is definitely too early to create a symbolic matrix using that syntax.

Sean's answer is good if you want to create A as an array initialized to particular values. If you want to create an array of symbols, there are ways involving loops or expressions with meshgrid()

Answer 2

[Sean de Wolski]

A = sym(zeros(2,4)) %?