用c语言编写公式2.4
时间: 2024-09-20 15:08:17 浏览: 26
根据文档中的信息,下面是一个C语言风格的代码段,用于计算与公式2.4相关的2f峰的系数和位置:
```c
/* 计算2f峰1的多项式系数 */
double Delta = (SX1 * SX3 * SX4 - SX1 * SX4 * SX4 - SX2 * SX2 * SX3 + SX2 * SX3 * SX4);
double Tf1_a_coeff = ((Tf1_SY1 * SX2 * SX4) + (SX1 * SX3 * Tf1_SX2Y1) + (Tf1_SX1Y1 * SX3 * SX2)
- (SX2 * SX2 * Tf1_SX2Y1) - (SX1 * Tf1_SX1Y1 * SX4) - (Tf1_SY1 * SX3 * SX3)) / Delta;
double Tf1_b_coeff = ((LG * Tf1_SX1Y1 * SX4) + (Tf1_SY1 * SX3 * SX2) + (SX1 * Tf1_SX2Y1 * SX2)
- (SX2 * SX2 * Tf1_SX1Y1) - (SX1 * Tf1_SY1 * SX4) - (LG * SX3 * Tf1_SX2Y1)) / Delta;
double Tf1_c_coeff = ((LG * SX2 * Tf1_SX2Y1) + (SX1 * Tf1_SX1Y1 * SX2) + (SX1 * SX3 * Tf1_SY1)
- (SX2 * SX2 * Tf1_SY1) - (SX1 * SX1 * Tf1_SX2Y1) - (LG * SX3 * Tf1_SX1Y1)) / Delta;
/* 计算2f峰2的多项式系数 */
double Tf2_a_coeff = ((Tf2_SY1 * SX2 * SX4) + (SX1 * SX3 * Tf2_SX2Y1) + (Tf2_SX1Y1 * SX3 * SX2)
- (SX2 * SX2 * Tf2_SX2Y1) - (SX1 * Tf2_SX1Y1 * SX4) - (Tf2_SY1 * SX3 * SX3)) / Delta;
double Tf2_b_coeff = ((LG * Tf2_SX1Y1 * SX4) + (Tf2_SY1 * SX3 * SX2) + (SX1 * Tf2_SX2Y1 * SX2)
- (SX2 * SX2 * Tf2_SX1Y1) - (SX1 * Tf2_SY1 * SX4) - (LG * SX3 * Tf2_SX2Y1)) / Delta;
double Tf2_c_coeff = ((LG * SX2 * Tf2_SX2Y1) + (SX1 * Tf2_SX1Y1 * SX2) + (SX1 * SX3 * Tf2_SY1)
- (SX2 * SX2 * Tf2_SY1) - (SX1 * SX1 * Tf2_SX2Y1) - (LG * SX3 * Tf2_SX1Y1)) / Delta;
/* 计算2f峰1的位置 */
int index1 = -(Tf1_b_coeff) / (2 * Tf1_c_coeff);
/* 计算2f峰2的位置 */
int index2 = -(Tf2_b_coeff) / (2 * Tf2_c_coeff);
/* 计算2f峰1的最大值 */
double maxpeak1 = (Tf1_a_coeff) - (Tf1_b_coeff * Tf1_b_coeff) / (4 * Tf1_c_coeff);
/* 计算2f峰2的最大值 */
double maxpeak2 = (Tf2_a_coeff) - (Tf2_b_coeff * Tf2_b_coeff) / (4 * Tf2_c_coeff);
```
请注意,在实际使用时,需要确保`SX1`, `SX2`, `SX3`, `SX4`, `Tf1_SY1`, `Tf1_SX2Y1`, `Tf1_SX1Y1`, `Tf1_SY1`, `Tf2_SY1`, `Tf2_SX2Y1`, `Tf2_SX1Y1`, `LG`等变量已被适当地定义并赋值。同时,上述代码片段中省略了错误处理逻辑,请在实际应用中加入适当的错误检查。
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