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Math & Numbers

二阶常系数线性微分方程求解器(特征方程法)

求解 a·y'' + b·y' + c·y = f(x):解特征方程 ar² + br + c = 0,按判别式给出齐次解(两相异实根 / 二重根 / 共轭复根),用待定系数法求特解(含共振:k 为特征根时试探解乘 x^m),支持常数、多项式、A·e^(kx) 与 A·sin(kx)+B·cos(kx) 右端项;给定 y(x₀) 与 y'(x₀) 时由 2×2 线性方程组定出 C1、C2。经典例:y''−3y'+2y=0,y(0)=1,y'(0)=0 → y = −e^(2x)+2e^x。

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快速开始

用三种语言从你的代码中调用此工具。

cURL
curl -X POST 'https://api.elysiatools.com/zh/api/tools/second-order-ode-solver' \
  -H 'Content-Type: application/json' \
  -d '{"a":1,"b":-3,"c":2,"forcing":"none","constantF":1,"polyCoeffs":"1","expA":1,"expK":1,"sinA":1,"sinB":0,"sinK":1,"x0":0,"y0":1,"y0prime":0}'

API 参考

以 JSON 形式 POST 提交输入参数。文件类型参数需先单独上传。

请求端点

HTTP
POST https://api.elysiatools.com/zh/api/tools/second-order-ode-solver

请求参数

参数名类型必填说明
anumber是Coefficient of y'' (must be nonzero).
bnumber是Coefficient of y'.
cnumber是Coefficient of y.
forcingselect是—
constantFnumber否Used when forcing = Constant.
polyCoeffstext

MCP 集成

将此工具加入你的 Model Context Protocol 服务,让 AI 智能体可以列出并调用它。

服务配置

将以下内容加入你的 MCP 客户端配置:

mcp.json
{
  "mcpServers": {
    "elysiatools-second-order-ode-solver": {
      "name": "second-order-ode-solver",
      "description": "求解 a·y'' + b·y' + c·y = f(x):解特征方程 ar² + br + c = 0,按判别式给出齐次解(两相异实根 / 二重根 / 共轭复根),用待定系数法求特解(含共振:k 为特征根时试探解乘 x^m),支持常数、多项式、A·e^(kx) 与 A·sin(kx)+B·cos(kx) 右端项;给定 y(x₀) 与 y'(x₀) 时由 2×2 线性方程组定出 C1、C2。经典例:y''−3y'+2y=0,y(0)=1,y'(0)=0 → y = −e^(2x)+2e^x。",
      "baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=second-order-ode-solver",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

列出可用工具

连接到 SSE 端点后,列出已开放的工具:

tools/list
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

调用此工具

通过工具 id 调用,参数由其参数表构建:

tools/call
{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "second-order-ode-solver",
    "arguments": {
  "a": 1,
  "b": -3,
  "c": 2,
  "forcing": "none",
  "constantF": 1,
  "polyCoeffs": "1",
  "expA": 1,
  "expK": 1,
  "sinA": 1,
  "sinB": 0,
  "sinK": 1,
  "x0": 0,
  "y0": 1,
  "y0prime": 0
}
  }
}
可用逗号分隔的 toolId 在一个会话中串联多个工具,例如 /mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp(最多 20 个)。

有问题或反馈?请联系 [email protected]

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否
Comma-separated coefficients, constant term first (degree ≤ 5). Used when forcing = Polynomial.
expAnumber否Used when forcing = Exponential.
expKnumber否Used when forcing = Exponential.
sinAnumber否Used when forcing = Sine/cosine.
sinBnumber否Used when forcing = Sine/cosine.
sinKnumber否Used when forcing = Sine/cosine.
x0number否Initial point (used with y₀ and y'₀).
y0number否Provide together with y'₀ to pin down C1, C2.
y0primenumber否Initial derivative (both or neither of y₀, y'₀).

响应格式

文本结果

JSON
{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}