matlab用plot画图出现错误 Error using ==> plot Conversion to double from sym is not possible.程序如下:[ph2,po2]=dsolve('0.005/8.314/T*Dph2=nh2*uf-6.435*10^(-7)*(ph2-3.03*10^5)-0.5*40*i/96485','0.01/8.314/T*Dpo2=nh2*uf/rho-6.435*10^(-7)*(p
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![matlab用plot画图出现错误 Error using ==> plot Conversion to double from sym is not possible.程序如下:[ph2,po2]=dsolve('0.005/8.314/T*Dph2=nh2*uf-6.435*10^(-7)*(ph2-3.03*10^5)-0.5*40*i/96485','0.01/8.314/T*Dpo2=nh2*uf/rho-6.435*10^(-7)*(p](/uploads/image/z/13442931-27-1.jpg?t=matlab%E7%94%A8plot%E7%94%BB%E5%9B%BE%E5%87%BA%E7%8E%B0%E9%94%99%E8%AF%AF+Error+using+%3D%3D%3E+plot+Conversion+to+double+from+sym+is+not+possible.%E7%A8%8B%E5%BA%8F%E5%A6%82%E4%B8%8B%EF%BC%9A%5Bph2%2Cpo2%5D%3Ddsolve%28%270.005%2F8.314%2FT%2ADph2%3Dnh2%2Auf-6.435%2A10%5E%28-7%29%2A%28ph2-3.03%2A10%5E5%29-0.5%2A40%2Ai%2F96485%27%2C%270.01%2F8.314%2FT%2ADpo2%3Dnh2%2Auf%2Frho-6.435%2A10%5E%28-7%29%2A%28p)
matlab用plot画图出现错误 Error using ==> plot Conversion to double from sym is not possible.程序如下:[ph2,po2]=dsolve('0.005/8.314/T*Dph2=nh2*uf-6.435*10^(-7)*(ph2-3.03*10^5)-0.5*40*i/96485','0.01/8.314/T*Dpo2=nh2*uf/rho-6.435*10^(-7)*(p
matlab用plot画图出现错误 Error using ==> plot Conversion to double from sym is not possible.
程序如下:
[ph2,po2]=dsolve('0.005/8.314/T*Dph2=nh2*uf-6.435*10^(-7)*(ph2-3.03*10^5)-0.5*40*i/96485','0.01/8.314/T*Dpo2=nh2*uf/rho-6.435*10^(-7)*(po2-3*10^5)-0.2*40*i/96485','ph2(0)=0','po2(0)=0');
i=10,nh2=0.1,uf=0.7,T=60;
t=0:0.01:150
运行时出现错误,
matlab用plot画图出现错误 Error using ==> plot Conversion to double from sym is not possible.程序如下:[ph2,po2]=dsolve('0.005/8.314/T*Dph2=nh2*uf-6.435*10^(-7)*(ph2-3.03*10^5)-0.5*40*i/96485','0.01/8.314/T*Dpo2=nh2*uf/rho-6.435*10^(-7)*(p
ph2,po2为复数解,所以plot不能完成画图