如何用matlab M文件表达该式 a(1)+a(2)*log(x)+a(3)*log(1-x)+a(4)/x+a(5)
如何用matlab M文件表达该式 a(1)+a(2)*log(x)+a(3)*log(1-x)+a(4)/x+a(5)
log a(1/2次方) x等于2log a
matlab求积分syms x; a=int(1/(1-x^2)*(log(1+x)-log(1-x)); a
对数的运算问题-log a 1/x=-(log a 1-log a x)=log a x
解方程[log(a)(x-1)]-[log(a)(2x-3)]=log(a)(1/3-x),(a>0,且a≠1).
x=log a 2
[log (底数为a) x]=[1\2log (底数为a) b ] - [ log (底数为a)c]求X
log(a-1) (2x-1)-log(a-1)(x-1)>0
已知log(1-2a)2x <log(3a-1)x求a的取值范围
f(x)=|log(a)(x)-1|+|2log(a)(x)|,求使f(x)<2的x范围,
log a [4+(x-4)a] < 2log a (x-2)
若不等式2^x-log(a)(x)