want to find the values of ‘K’ for which the function (D) becomes zero. ‘L’ and ‘a’ are the constants. Code:
syms A B L K a
D = [cosh(K*L)-cos(K*L), sinh(K*L)-sin(K*L); sinh(K*L)+sin(K*L)+K*a*L*(cosh(K*L)+cos(K*L)), cosh(K*L)-cos(K*L)+K*a*L*(sinh(K*L)+sin(K*L))];
d = det(D)
fzero(@(K) d, 10)
Error using fzero (line 309) Function value at starting guess must be finite and real.want to find the values of ‘K’ for which the function (D) becomes zero. ‘L’ and ‘a’ are the constants. Code:
syms A B L K a
D = [cosh(K*L)-cos(K*L), sinh(K*L)-sin(K*L); sinh(K*L)+sin(K*L)+K*a*L*(cosh(K*L)+cos(K*L)), cosh(K*L)-cos(K*L)+K*a*L*(sinh(K*L)+sin(K*L))];
d = det(D)
fzero(@(K) d, 10)
Error using fzero (line 309) Function value at starting guess must be finite and real. want to find the values of ‘K’ for which the function (D) becomes zero. ‘L’ and ‘a’ are the constants. Code:
syms A B L K a
D = [cosh(K*L)-cos(K*L), sinh(K*L)-sin(K*L); sinh(K*L)+sin(K*L)+K*a*L*(cosh(K*L)+cos(K*L)), cosh(K*L)-cos(K*L)+K*a*L*(sinh(K*L)+sin(K*L))];
d = det(D)
fzero(@(K) d, 10)
Error using fzero (line 309) Function value at starting guess must be finite and real. roots, non-polynomial MATLAB Answers — New Questions

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