[ncl-talk] inverse_matrix problem
Walter Hannah
whannah at atmos.colostate.edu
Mon Nov 10 13:57:03 MST 2014
Hi,
I'm trying to use the "inverse_matrix" function. The matrix doesn't have
any missing values, but I still get this error message:
Variable: M
Type: float
Total Size: 1600 bytes
400 values
Number of Dimensions: 2
Dimensions and sizes: [pertlev | 20] x [tendlev | 20]
Coordinates:
pertlev: [50..1950]
tendlev: [50..1950]
Number Of Attributes: 2
missing_value : 9.96921e+36
_FillValue : 9.96921e+36
(0)
----------------------------------------------------------------------------
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 -0.31 -0.06 0.15 -0.27 -0.56 -1.21 -1.38 -1.36
1.49 0.00 0.00 4.65 0.37 0.46 0.47 0.52 0.55 0.77 2.49
0.00 0.26 -0.35 -0.29 -0.65 -1.13 -2.24 -2.45 -2.47
2.91 0.00 0.00 4.07 2.45 0.95 0.87 0.90 1.05 1.55 4.81
0.00 -0.11 1.43 -0.91 -1.69 -1.52 -2.63 -2.81 -2.69
3.17 0.00 0.00 -2.35 2.61 1.49 1.01 1.00 1.18 1.78 5.32
0.00 -0.02 0.55 1.08 -1.74 -2.04 -2.59 -2.71 -2.39
2.63 0.00 0.00 -0.75 -1.10 1.35 1.02 0.89 1.00 1.57 4.87
0.00 -0.06 0.16 0.52 0.72 -1.86 -2.88 -2.74 -2.29
2.31 0.00 0.00 0.31 -1.30 -0.26 0.87 0.75 0.82 1.27 4.50
0.00 -0.13 -0.07 0.20 0.54 0.27 -2.74 -3.10 -2.27
2.04 0.00 0.00 0.08 -0.49 -0.47 0.14 0.72 0.69 1.13 4.24
0.00 -0.15 -0.06 0.20 -0.17 0.02 -0.77 -3.87 -3.13
2.39 0.00 0.00 0.69 -0.08 0.09 0.03 0.36 0.90 1.29 4.59
0.00 -0.14 0.05 0.09 -0.17 -0.29 -0.14 -0.66 -5.36
2.00 0.00 0.00 0.39 0.17 0.14 0.07 -0.01 0.22 1.00 4.05
0.00 0.02 -0.07 -0.01 0.00 0.02 0.43 0.94 0.77
-2.90 0.00 0.00 -0.09 0.09 -0.04 -0.07 -0.17 -0.26
-0.49 0.54
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
0.00 -0.01 -0.04 0.12 -0.02 -0.01 -0.03 -0.05 -0.05
0.04 0.00 0.00 -2.17 -0.25 -0.14 0.01 0.02 0.02 0.02 0.12
0.00 0.00 -0.19 0.11 0.28 0.06 0.11 0.06 0.07
-0.13 0.00 0.00 2.75 -1.97 -0.04 -0.12 -0.05 -0.05 -0.08
-0.10
0.00 -0.02 -0.14 -0.08 0.31 0.21 0.13 0.08 0.06
-0.08 0.00 0.00 0.48 1.11 -1.09 -0.13 -0.10 -0.06 -0.09
-0.12
0.00 -0.01 -0.03 -0.11 -0.07 0.32 0.27 0.12 0.18
-0.17 0.00 0.00 0.02 0.63 0.52 -0.94 -0.02 -0.15 -0.08
-0.25
0.00 0.02 0.08 -0.06 -0.24 0.10 0.43 0.26 0.16
-0.17 0.00 0.00 0.07 0.31 0.35 0.40 -1.06 -0.06 -0.20
-0.26
0.00 0.06 0.03 -0.10 0.07 0.11 1.03 1.38 0.53
-1.10 0.00 0.00 -0.44 0.14 -0.03 0.08 0.19 -1.61 -0.76
-1.16
0.00 0.11 -0.03 -0.08 0.07 0.16 0.46 1.28 1.65
-1.21 0.00 0.00 -0.25 0.07 -0.06 0.00 0.14 0.41 -3.04
-0.66
0.00 0.12 -0.30 -0.15 0.80 1.58 2.86 3.62 5.02
-3.15 0.00 0.00 -1.23 -0.91 -0.80 -0.94 -0.85 -0.66 0.21
-10.64
(0)
----------------------------------------------------------------------------
(0) # missing values: 0
(0) # values = 0.0 : 111
warning:inverse_matrix: info = 1; missing values not allowed
I thought it might have something to do with those zero values, but if I
replace them with non-zero values I get a similar, but not identical,
result:
...
(0)
----------------------------------------------------------------------------
(0) # missing values: 0
(0) # values = 0.0 : 0
warning:inverse_matrix: info = 20; missing values not allowed
Thanks,
Walter
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