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数学公式显示

2022-06-09 09:59:00 BerryBC

a = 70 % a=70\% a=70%
b = 4 b=4 b=4
n=1,2,3\cdots
n = 1 , 2 , 3 ⋯ n=1,2,3\cdots n=1,2,3
n = 1 , 2 , 3 ⋯ n=1,2,3\cdots n=1,2,3

x =a^{n}
x = a n x =a^{n} x=an

y=b^{n}

y = b n y=b^{n} y=bn

n=\cfrac{log_{\sigma}(x)}{log_{\sigma}(a)}
n = l o g σ ( x ) l o g σ ( a ) n=\cfrac{log_{\sigma}(x)}{log_{\sigma}(a)} n=logσ(a)logσ(x)
n=\cfrac{log_{\sigma}(y)}{log_{\sigma}(b)}

n = l o g σ ( y ) l o g σ ( b ) n=\cfrac{log_{\sigma}(y)}{log_{\sigma}(b)} n=logσ(b)logσ(y)
\cfrac{log_{\sigma}(a)}{log_{\sigma}(b)}=\cfrac{log_{\sigma}(x)}{log_{\sigma}(y)}

l o g σ ( a ) l o g σ ( b ) = l o g σ ( x ) l o g σ ( y ) \cfrac{log_{\sigma}(a)}{log_{\sigma}(b)}=\cfrac{log_{\sigma}(x)}{log_{\sigma}(y)} logσ(b)logσ(a)=logσ(y)logσ(x)
\cfrac{log_{\sigma}(b)}{log_{\sigma}(a)}=\cfrac{log_{\sigma}(y)}{log_{\sigma}(x)}

l o g σ ( b ) l o g σ ( a ) = l o g σ ( y ) l o g σ ( x ) \cfrac{log_{\sigma}(b)}{log_{\sigma}(a)}=\cfrac{log_{\sigma}(y)}{log_{\sigma}(x)} logσ(a)logσ(b)=logσ(x)logσ(y)
b=a^\cfrac{log_{\sigma}(y)}{log_{\sigma}(x)}

b = a l o g σ ( y ) l o g σ ( x ) b=a^\cfrac{log_{\sigma}(y)}{log_{\sigma}(x)} b=alogσ(x)logσ(y)
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https://blog.csdn.net/BerryBC/article/details/104762822