\quad
代码:
$b\quad a$
效果: b a b\quad a ba
katex
中使用的是\begin{aligned}...\end{aligned}
这种方式。$$
\begin{aligned}
\alpha_0 &= \mathop{\arg\min}_{\alpha_0} f(x^0 - \alpha \nabla f(x^0) )\\
&=\mathop{\arg\min}_{\alpha_0 \geq 0} (0+(2+2\alpha-3)^2+4(-1-1024\alpha+5)^4)\\
&=\mathop{\arg\min}_{\alpha_0 \geq 0} \phi(\alpha)
\end{aligned}
$$
效果:
α
0
=
arg
min
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0
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α
∇
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arg
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2
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2
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3
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2
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4
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1
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1024
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5
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4
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ϕ
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α
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\begin{aligned} \alpha_0 &= \mathop{\arg\min}_{\alpha_0} f(x^0 - \alpha \nabla f(x^0) )\\ &=\mathop{\arg\min}_{\alpha_0 \geq 0} (0+(2+2\alpha-3)^2+4(-1-1024\alpha+5)^4)\\ &=\mathop{\arg\min}_{\alpha_0 \geq 0} \phi(\alpha) \end{aligned}
α0=argminα0f(x0−α∇f(x0))=argminα0≥0(0+(2+2α−3)2+4(−1−1024α+5)4)=argminα0≥0ϕ(α)