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Question
拟合出二元二次表达式，如何验证表达式的正确性？。
>> syms A t; >> f=26.67+10.94*t-0.1*(t-37.5)^2+3194.30*A+151332.06*(A-0.015)^2+(t-37.5)*(A-0.015)*146; >> subs(f,1,30) ans ...
3 years ago | 1 answer | 0
