How do I multiply a matrix and a column vector of variables ?
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I have a matrix 'F' (3 * 20 double) and a cell-type 'ans' (20*1) consisting of variables of the form (1,x,y,z,xy,yx,...). The 'ans' is an output of a function called Poly_List that gives us a list of polynomials. I wanted to multiply F and ans to get a system of equations and use that to get the function
f = @(t,y) F * ans
which I will later use to solve ODEs. This gives me the error
Operator '*' is not supported for operands of type 'cell'.
I thought converting it into type double will help. But when I run
var = str2double(ans)
then var is simply consisting of NaN instead of the variables. Can someone please help?
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