Description Usage Arguments Examples
Approximate a functions minimum with double monoton method.
1 |
exp |
Expression of the function to be minimized. |
eps |
Precision of the approximation, recommended value is 10^-10. |
x |
Starting point of the approximation. |
v |
A character vector of the functions variables, for instance the two dimension fuction x1*x1+10*x2*x2 needs a c("x1","x2") vector. |
n |
Maximum setps to make while approximating, if the calculation reaches this number it exits with the current value and point. Recommended to be 10000. |
1 2 3 4 5 6 | test1 = expression(x1*x1+10*x2*x2)
eps = 10^-15
x = c(3,4)
v = c("x1","x2")
n = 10000
BarBor(test1,eps,x,v,n)
|
[1] "Stationary point: "
[1] 0 0
[1] "Function value: "
[1] 0
[1] "Steps: "
[1] 10
Warning messages:
1: In alph * gk :
Recycling array of length 1 in array-vector arithmetic is deprecated.
Use c() or as.vector() instead.
2: In alph * gk :
Recycling array of length 1 in array-vector arithmetic is deprecated.
Use c() or as.vector() instead.
3: In alph * gk :
Recycling array of length 1 in array-vector arithmetic is deprecated.
Use c() or as.vector() instead.
4: In alph * gk :
Recycling array of length 1 in array-vector arithmetic is deprecated.
Use c() or as.vector() instead.
5: In alph * gk :
Recycling array of length 1 in array-vector arithmetic is deprecated.
Use c() or as.vector() instead.
6: In alph * gk :
Recycling array of length 1 in array-vector arithmetic is deprecated.
Use c() or as.vector() instead.
7: In alph * gk :
Recycling array of length 1 in array-vector arithmetic is deprecated.
Use c() or as.vector() instead.
8: In alph * gk :
Recycling array of length 1 in array-vector arithmetic is deprecated.
Use c() or as.vector() instead.
9: In alph * gk :
Recycling array of length 1 in array-vector arithmetic is deprecated.
Use c() or as.vector() instead.
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