Nóta
Teastaíonn údarú chun rochtain a fháil ar an leathanach seo. Is féidir leat triail a bhaint as shíniú isteach nó eolairí a athrú.
Teastaíonn údarú chun rochtain a fháil ar an leathanach seo. Is féidir leat triail a bhaint as eolairí a athrú.
The following table shows non-intrinsic math functions that can be derived from the intrinsic math functions of the System.Math object. You can access the intrinsic math functions by adding Imports System.Math to your file or project.
| Function | Derived equivalents |
|---|---|
| Secant (Sec(x)) | 1 / Cos(x) |
| Cosecant (Csc(x)) | 1 / Sin(x) |
| Cotangent (Ctan(x)) | 1 / Tan(x) |
| Inverse sine (Asin(x)) | Atan(x / Sqrt(-x * x + 1)) |
| Inverse cosine (Acos(x)) | Atan(-x / Sqrt(-x * x + 1)) + 2 * Atan(1) |
| Inverse secant (Asec(x)) | 2 * Atan(1) – Atan(Sign(x) / Sqrt(x * x – 1)) |
| Inverse cosecant (Acsc(x)) | Atan(Sign(x) / Sqrt(x * x – 1)) |
| Inverse cotangent (Acot(x)) | 2 * Atan(1) - Atan(x) |
| Hyperbolic sine (Sinh(x)) | (Exp(x) – Exp(-x)) / 2 |
| Hyperbolic cosine (Cosh(x)) | (Exp(x) + Exp(-x)) / 2 |
| Hyperbolic tangent (Tanh(x)) | (Exp(x) – Exp(-x)) / (Exp(x) + Exp(-x)) |
| Hyperbolic secant (Sech(x)) | 2 / (Exp(x) + Exp(-x)) |
| Hyperbolic cosecant (Csch(x)) | 2 / (Exp(x) – Exp(-x)) |
| Hyperbolic cotangent (Coth(x)) | (Exp(x) + Exp(-x)) / (Exp(x) – Exp(-x)) |
| Inverse hyperbolic sine (Asinh(x)) | Log(x + Sqrt(x * x + 1)) |
| Inverse hyperbolic cosine (Acosh(x)) | Log(x + Sqrt(x * x – 1)) |
| Inverse hyperbolic tangent (Atanh(x)) | Log((1 + x) / (1 – x)) / 2 |
| Inverse hyperbolic secant (AsecH(x)) | Log((Sqrt(-x * x + 1) + 1) / x) |
| Inverse hyperbolic cosecant (Acsch(x)) | Log((Sign(x) * Sqrt(x * x + 1) + 1) / x) |
| Inverse hyperbolic cotangent (Acoth(x)) | Log((x + 1) / (x – 1)) / 2 |
See also
Comhoibriú linn ar GitHub
Is féidir foinse an inneachair seo a fháil ar GitHub, áit inar féidir leat fadhbanna agus iarratais ar tharraingt a chruthú agus a athbhreithniú. Chun tuilleadh faisnéise a fháil, féach ár dtreoir rannpháirtithe .