四阶 Runge-Kutta（RK4）数值求解器

POST http://127.0.0.1:3003/zh/api/tools/runge-kutta-rk4-solver

{
  "mcpServers": {
    "elysiatools-runge-kutta-rk4-solver": {
      "name": "runge-kutta-rk4-solver",
      "description": "用经典四阶 Runge-Kutta（RK4）法求解初值问题 dy/dx = f(x,y)、y(x₀)=y₀：每步计算 k1–k4 四个斜率并加权更新 y_{n+1} = y_n + h/6·(k1+2k2+2k3+k4)，全局误差 O(h⁴)——步长减半误差约缩小 16 倍。输出逐步数值表、前几步的 k1–k4 明细与最终估计；可选填精确解 y(x) 显示误差列。示例：dy/dx = y、y(0)=1、h=0.1 时 y(1) ≈ 2.718282，与 e 几乎一致。",
      "baseUrl": "http://127.0.0.1:3003/mcp/sse?toolId=runge-kutta-rk4-solver",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

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

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "runge-kutta-rk4-solver",
    "arguments": {
  "fxy": "y",
  "x0": 0,
  "y0": 1,
  "xEnd": 1,
  "steps": 10,
  "exactY": "e^x",
  "decimalPlaces": 6
}
  }
}