i have a syntax error in u(3)-u(4)(​exp((u(2)u​(1)+u(6)))​)/(u(5))-1​) what the error ?

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[Walter Roberson]

https://www.mathworks.com/matlabcentral/answers/578865-i-have-a-syntax-error-in-u-3-u-4-exp-u-2-u-1-u-6-u-5-1-what-the-error?s_tid=srchtitle is duplicate

Answer 1

[hosein Javan]

you didn't have product sign"*". also there were bunch of incorrect parantheis. copy and paste should work.

u(3)-u(4)*(exp(u(2)*u(1)+u(6)))/(u(5)-1)

if you are using simulin fcn you can also replace it with this for simplicity and aviod mistakes:

u[3]-u[4]*(exp(u[2]*u[1]+u[6]))/(u[5]-1)