Displaying 5 results from an estimated 5 matches for "750x750".
2002 Oct 09
0
R 1.6.0 benchmark with and without optimized ATLAS
...Trimmed geom. mean (2 extremes eliminated):
0.924125732935107
II. Matrix functions
--------------------
FFT over 900,000 random values______________________ (sec):
1.53666666666667
Eigenvalues of a 220x220 random matrix______________ (sec):
0.466666666666669
Determinant of a 750x750 random matrix______________ (sec): 1.65
Cholesky decomposition of a 1000x1000 matrix________ (sec):
1.30333333333334
Inverse of a 500x500 random matrix__________________ (sec):
1.76000000000000
--------------------------------------------
Trimmed geom. mean (2...
2010 Aug 08
2
paperclip save to disk and s3
...d also like the file saved to my amazon s3 bucket.
[code]
after_save :copy_to_s3
def copy_to_s3
has_attached_file :photo,
:storage => :s3,
:s3_credentials => "#{RAILS_ROOT}/config/s3.yml",
:styles => {
:thumb => "100x100#",
:small => "750x750>" }
end
[/code]
This is giving the error: undefined method `has_attached_file''
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2001 Apr 27
2
Benchmarking R, why sort() is so slow?
...00, 3 = Sorting of 1,100,000
random values, 4 = 550x550 cross-product matrix (b = a' * a), 5 = Linear
regression over a 700x700 matrix (b = a \ b')
Serie II: Preprogrammed matrix functions
6 = FFT over 900,000 random values, 7 = Eigenvalues of a 220x220 random
matrix, 8 = Determinant of a 750x750 random matrix, 9 = Cholesky
decomposition of a 1000x1000 matrix, 10 = Inverse of a 500x500 random matrix
Serie II: programmation
11 = 225.000 Fibonacci numbers calculation (vector calc.), 12 = Creation of
a 1500x1500 Hilbert matrix (matrix calc.), 13 = Grand common divisors of
35,000 pairs (recurs...
2001 Apr 27
2
Benchmarking R, why sort() is so slow?
...00, 3 = Sorting of 1,100,000
random values, 4 = 550x550 cross-product matrix (b = a' * a), 5 = Linear
regression over a 700x700 matrix (b = a \ b')
Serie II: Preprogrammed matrix functions
6 = FFT over 900,000 random values, 7 = Eigenvalues of a 220x220 random
matrix, 8 = Determinant of a 750x750 random matrix, 9 = Cholesky
decomposition of a 1000x1000 matrix, 10 = Inverse of a 500x500 random matrix
Serie II: programmation
11 = 225.000 Fibonacci numbers calculation (vector calc.), 12 = Creation of
a 1500x1500 Hilbert matrix (matrix calc.), 13 = Grand common divisors of
35,000 pairs (recurs...
2001 Feb 16
1
Sub_scribe and a question
...00, 3 = Sorting of 1,100,000
random values, 4 = 550x550 cross-product matrix (b = a' * a), 5 = Linear
regression over a 700x700 matrix (b = a \ b')
Serie II: Preprogrammed matrix functions
6 = FFT over 900,000 random values, 7 = Eigenvalues of a 220x220 random
matrix, 8 = Determinant of a 750x750 random matrix, 9 = Cholesky
decomposition of a 1000x1000 matrix, 10 = Inverse of a 500x500 random matrix
Serie II: programmation
11 = 225.000 Fibonacci numbers calculation (vector calc.), 12 = Creation of
a 1500x1500 Hilbert matrix (matrix calc.), 13 = Grand common divisors of
35,000 pairs (recurs...