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## Re: Must all coefficients for fsolve be numeric???????

 From: ttonon Subject: Re: Must all coefficients for fsolve be numeric??????? Date: Tue, 17 Mar 2020 10:14:41 -0500 (CDT)

```Kai, thanks and I should've known better.  Here's the relevant code, with the
... lines representing missing statements.  Let me know if you'd like more
detail, and thanks again!......>> Y_e = cosh(Alpha*X_bar) - cos(Alpha*X_bar)
+ Eta*(sinh(Alpha*X_bar) - sin(Alpha*X_bar))Y_e =  1.5875......>> function y
= f (x)y = zeros (12, 1);y(1) = Y_e*X(1)*sin(X(2)) +dStat*X(5)/2 + O;y(2) =
X(4) -X(3) + Og_o;y(3) = X(7);y(4) = X(1)*Tau^2*(Og_o + X(3))*X(4)
+Cf*X(8);y(5) = X(9) -X(3)*Tau*Y_e*X(1);y(6) = X(10)
-abs(X(3)*Tau*Y_e*X(1))*L_cm/Tau;y(7) = X(11) -W_cm/X(10);y(8) = X(12)
-Thic_cm/X(10);y(9) = X(6) -Ogto*X(3)*X(11);y(10) = X(13)
-Mpi*(-D1)*((X(3)*tau*Y_e*X(1)))*(1 - sin(X(2)));......y(51) = X(8) -X(39)
-X(40) -X(41) -X(42) -X(43) -X(44) -X(45) -X(46) -X(47) -X(48) -X(49) -X(50)
-X(51);endfunction>> [x, fval, info] = fsolve (@f,
[0.1;0.01;1024;4;-1.0;0.001;0.0;0.5;71000;0.000007;0.000005])error: 'Y_e'
undefined near line 3 column 8error: called from    f at line 3 column 6
fsolve at line 236 column 8>> y(1) = 1.5875*X(1)*sin(X(2)) +dStat*X(5)/2 +
O;error: 'X' undefined near line 1 column 15>> y(1) = Y_e*X(1)*sin(X(2))
+dStat*X(5)/2 + O;error: 'X' undefined near line 1 column 12>> [x, fval,
info] = fsolve (@f,
[0.1;0.01;1024;4;-1.0;0.001;0.0;0.5;71000;0.000007;0.000005])error: 'Y_e'
undefined near line 3 column 8error: called from    f at line 3 column 6
fsolve at line 236 column 8>>>>

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