Argument to dynamic structure reference must evaluate to a valid field name.

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Danishtah Quamar 2022-1-28

评论： Danishtah Quamar 2022-1-28

V_c =2.*pi.*x10.((R-x9).^2 - x1.^2) + pi.*L.*(R.^2 - (R-x9).^2) +

pi.*x12.*((Ro+x6).^2 - (x1+x7).^2);

I am getting error in this that argument to dynamic structure reference must evaluate to a valid field name.

these are errors

Yes that was only problem in coding.

Star Strider 2022-1-28

Typographical error.

The single . is generating the error.

V_c =2.*pi.*x10.((R-x9).^2 - x1.^2) + pi.*L.*(R.^2 - (R-x9).^2) + pi.*x12.*((Ro+x6).^2 - (x1+x7).^2);
                ↑ ← MISSING OPERATOR

See if:

V_c =2.*pi.*x10.*((R-x9).^2 - x1.^2) + pi.*L.*(R.^2 - (R-x9).^2) + pi.*x12.*((Ro+x6).^2 - (x1+x7).^2);

works. (I do not see any other problems.)

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