支持数学公式
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@ -3,6 +3,8 @@ import tailwindcss from "@tailwindcss/vite";
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import sitemap from "@astrojs/sitemap";
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import remarkToc from "remark-toc";
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import remarkCollapse from "remark-collapse";
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import remarkMath from "remark-math";
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import rehypeKatex from "rehype-katex";
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import { SITE } from "./src/config";
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// https://astro.build/config
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@ -14,7 +16,8 @@ export default defineConfig({
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}),
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],
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markdown: {
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remarkPlugins: [remarkToc, [remarkCollapse, { test: "Table of contents" }]],
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remarkPlugins: [remarkToc, [remarkCollapse, { test: "Table of contents" }], remarkMath],
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rehypePlugins: [rehypeKatex],
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shikiConfig: {
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// For more themes, visit https://shiki.style/themes
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themes: { light: "min-light", dark: "night-owl" },
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package-lock.json
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8732
package-lock.json
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@ -19,7 +19,9 @@
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"@tailwindcss/vite": "^4.0.12",
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"astro": "^5.4.2",
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"lodash.kebabcase": "^4.1.1",
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"rehype-katex": "^7.0.1",
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"remark-collapse": "^0.1.2",
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"remark-math": "^6.0.0",
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"remark-toc": "^9.0.0",
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"satori": "^0.12.1",
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"sharp": "^0.33.5",
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src/data/blog/learn/第一章 资金时间价值计算及应用.md
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src/data/blog/learn/第一章 资金时间价值计算及应用.md
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@ -0,0 +1,87 @@
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---
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title: 《工程经济》第一章 资金时间价值计算及应用
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pubDatetime: 2025-03-21T23:26:06+8:00
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description: 资金时间价值计算及应用,主要总结了公式。
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slug: 《工程经济》第一章 资金时间价值计算及应用
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tags:
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- 工程经济
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- 一级建造师
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---
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## 利率的影响因素
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1. 社会平均利润率的高低
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2. 资金市场供求对比状况
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3. 借出资金的用途和使用方式
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4. 借出资金期限的长短
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5. 政府宏观调控政策
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6. 经济周期所处阶段
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## 公式总结
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### 单利与复利
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**单利计算公式**:$It=P×i×t$
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It 为利息,P 为本金,i 为年利率,t 为时间(年)。
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**复利计算公式**:$F=P×(1+i)^n$
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F 为终值,P 为现值,i 为年利率,n 为计息期数。
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### 名义利率与有效利率
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**计息周期利率公式**:$i=mr$
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r 为名义利率,m 为每年计息次数。
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**年有效利率公式**:$i=(1+r/m)^m−1$
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i为年有效利率。
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### 终值与现值
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**一次支付终值公式**:$F=P×(1+i)^n$
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也可表示为:$F=P×(F/P,i,n)$
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**一次支付现值公式**:
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$$
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P=\frac{F}{(1+i)^n}
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$$
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也可表示为:$P=F×(P/F,i,n)$
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### 年金的终值与现值
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**年金终值公式**:
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$$
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F = A \times \frac{(1+i)^n - 1}{i}
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$$
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也可表示为:$F=A×(F/A,i,n)$。
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**年金现值公式**:
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$$
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P = A \times \frac{(1+i)^n - 1}{i(1+i)^n}
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$$
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也可表示为:$P = A \times (P/A, i, n)$。
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### 偿债基金
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$$
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A=F×\frac{i}{(1+i)^n−1}
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$$
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A 为年金,F 为终值,i 为年利率,n 为计息期数。
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### 资金回收
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$$
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A=P×\frac{i×(1+i)^n}{(1+i)^n-1}
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$$
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A 为年金,P 为现值,i 为年利率,n 为计息期数。
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@ -61,6 +61,10 @@ const structuredData = {
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<meta name="viewport" content="width=device-width" />
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<link rel="icon" type="image/svg+xml" href="/avatar.jpg" />
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<link rel="canonical" href={canonicalURL} />
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<link
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rel="stylesheet"
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href="https://cdn.bootcdn.net/ajax/libs/KaTeX/0.16.9/katex.min.css"
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/>
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<meta name="generator" content={Astro.generator} />
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<!-- General Meta Tags -->
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