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[求助]
想把m文件在simulink 中的调用，我用的是matlab function 模块。
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RT 我的m文件的代码是function h_vs= fcn(T_s) B13= [-575.520*10^-4 117.700*10^-5 491.369*10^-8 782.701*10^-2 -815.233*10^-3 256.383*10^-4 149.856*10^-1 -209.283*10^-2]; a=zeros(1,8); for i=1:8 a(i)=B13(i); end coder.extrinsic('syms'); syms h_vs u v; T_s=T_s+273.15-61; v=T_s-203.15; u=(h_vs-350)^0.5-2.24076; x=solve(u^3+a(1)*u^2*v+a(2)*u*v^2+a(3)*v^3+a(4)*u^2+a(5)*u*v+a(6)*v^2+a(7)*u+a(8)*v,h_vs); y=max (real (double (subs(x)))); h_vs=y; end 复制到matlab function中想要调用却出现如下8个错误： Simulink does not have enough information to determine output sizes for this block. If you think the errors below are inaccurate, try specifying types for the block inputs and/or sizes for the block outputs. Component: MATLAB Function | Category: Coder error Undefined function or variable 'h_vs'. The first assignment to a local variable determines its class. Function 'MATLAB Function' (#71.303.307), line 12, column 4: "h_vs" Launch diagnostic report. Component: MATLAB Function | Category: Coder error Undefined function or variable 'u'. The first assignment to a local variable determines its class. Function 'MATLAB Function' (#71.334.335), line 13, column 9: "u" Launch diagnostic report. Component: MATLAB Function | Category: Coder error Undefined function or variable 'x'. The first assignment to a local variable determines its class. Function 'MATLAB Function' (#71.443.444), line 14, column 27: "x" Launch diagnostic report. Component: MATLAB Function | Category: Coder error Undefined function or variable 'y'. The first assignment to a local variable determines its class. Function 'MATLAB Function' (#71.455.456), line 15, column 6: "y" Launch diagnostic report. Component: MATLAB Function | Category: Coder error Errors occurred during parsing of MATLAB function 'MATLAB Function' Component: MATLAB Function | Category: Coder error Errors occurred during parsing of MATLAB function 'MATLAB Function' Component: Simulink | Category: Block error Error occurred in 'sim_hvs/MATLAB Function'. Component: Simulink | Category: Block error 图片在附件； 求大神解决  捕获.PNG |
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