布伦塔诺反对把内省法作为心理学的主要研究方法。提倡内部知觉的方法。()
A,B为n阶矩阵,cond(AB)<=cond(A)cond(B)。()A,B为n阶矩阵,cond(AB)<=cond(A)cond(B)。()
A,B为n阶矩阵,cond(AB)<=cond(a)cond(b)。()
If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil
A. increase the capacity of the coil
B. increase the superheat at the bulb
C. deliver more refrigerant to the coil
D. decrease the capacity of the coil
如果cond(A)相对较小时,解的相对误差也小,则称AX=B为良态方程组。()