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how to enter this following formula in Wolfram Alpha?

From SS model equation I have to find TF

A=-b/m
B=1/m
c=1
D=0

The result given in the book is P(s)=(1/ms + b).

Wolfram alpha throws an error saying that it could not understand my input. Please see attached formula.

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Clear["Global`*"];
A0 = {{-b/m}}; B0 = {{1/m}}; C0 = {{1}}; D0 = {{0}};
ss = StateSpaceModel[{A0, B0, C0, D0}];
Simplify@TransferFunctionModel[ss]

enter image description here

POSTED BY: Nasser M. Abbasi

Thanks.

is it possible to see the step by step simplification of the "Simplify@TransferFunctionModel[ss]"? If yes then I would like to take the pro.

Sorry, but I do not know anything about Wolfram Alpha and the pro. I only use Mathematica itself. May be someone else would know about showing the steps and answer you.

POSTED BY: Nasser M. Abbasi

Can some one tell me how to do it in wolfram alpha? is it possible to do in wolfram alpha?

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