/usr/share/octave/packages/3.2/optiminterp-0.3.3/test_optiminterp_mult.m is in octave-optiminterp 0.3.3-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | % Tests 1D, 2D and 3D optimal interpolation.
% All tests should pass; any error indicates that either
% there is a bug in the optimal interpolation package or
% that it is incrorrectly installed.
function test_optiminterp_mult
more off
printf('Testing multiple 1D-optimal interpolation: ');
try
% grid of background field
xi = linspace(0,1,50)';
fi_ref(:,1) = sin( xi*6 );
fi_ref(:,2) = cos( xi*6 );
% grid of observations
x = linspace(0,1,20)';
on = numel(x);
var = 0.01 * ones(on,1);
f(:,1) = sin( x*6 );
f(:,2) = cos( x*6 );
m = 15;
[fi,vari] = optiminterp1(x,f,var,0.1,m,xi);
rms = sqrt(mean((fi_ref(:) - fi(:)).^2));
if (rms > 0.005)
error('unexpected large difference with reference field');
end
disp('OK');
catch
disp('failed');
disp(lasterr);
end
printf('Testing multiple 2D-optimal interpolation: ');
try
clear fi_ref f
% grid of background field
[xi,yi] = ndgrid(linspace(0,1,30));
fi_ref(:,:,1) = sin( xi*6 ) .* cos( yi*6);
fi_ref(:,:,2) = cos( xi*6 ) .* sin( yi*6);
% grid of observations
[x,y] = ndgrid(linspace(0,1,20));
on = numel(x);
var = 0.01 * ones(on,1);
f(:,:,1) = sin( x*6 ) .* cos( y*6);
f(:,:,2) = cos( x*6 ) .* sin( y*6);
m = 30;
[fi,vari] = optiminterp2(x,y,f,var,0.1,0.1,m,xi,yi);
rms = sqrt(mean((fi_ref(:) - fi(:)).^2));
if (rms > 0.005)
error('unexpected large difference with reference field');
end
disp('OK');
catch
disp('failed');
disp(lasterr);
end
printf('Testing multiple 3D-optimal interpolation: ');
try
clear fi_ref f
% grid of background field
[xi,yi,zi] = ndgrid(linspace(0,1,15));
fi_ref(:,:,:,1) = sin(6*xi) .* cos(6*yi) .* sin(6*zi);
fi_ref(:,:,:,2) = cos(6*xi) .* sin(6*yi) .* cos(6*zi);
% grid of observations
[x,y,z] = ndgrid(linspace(0,1,10));
on = numel(x);
var = 0.01 * ones(on,1);
f(:,:,:,1) = sin(6*x) .* cos(6*y) .* sin(6*z);
f(:,:,:,2) = cos(6*x) .* sin(6*y) .* cos(6*z);
m = 20;
[fi,vari] = optiminterp3(x,y,z,f,var,0.1,0.1,0.1,m,xi,yi,zi);
rms = sqrt(mean((fi_ref(:) - fi(:)).^2));
if (rms > 0.04)
error('unexpected large difference with reference field');
end
disp('OK');
catch
disp('failed');
disp(lasterr);
end
printf('Testing multiple 4D-optimal interpolation: ');
try
clear fi_ref f
% grid of background field
[xi,yi,zi,ti] = ndgrid(linspace(0,1,5));
fi_ref(:,:,:,:,1) = sin(6*xi) .* cos(6*yi) .* sin(6*zi) .* cos(6*ti);
fi_ref(:,:,:,:,2) = cos(6*xi) .* sin(6*yi) .* cos(6*zi) .* sin(6*ti);
% grid of observations
[x,y,z,t] = ndgrid(linspace(0,1,10));
x = x(:);
y = y(:);
z = z(:);
t = t(:);
on = numel(x);
var = 0.01 * ones(on,1);
f(:,:,:,:,1) = sin(6*x) .* cos(6*y) .* sin(6*z) .* cos(6*t);
f(:,:,:,:,2) = cos(6*x) .* sin(6*y) .* cos(6*z) .* sin(6*t);
m = 20;
[fi,vari] = optiminterp4(x,y,z,t,f,var,0.1,0.1,0.1,0.1,m,xi,yi,zi,ti);
rms = sqrt(mean((fi_ref(:) - fi(:)).^2));
if (rms > 0.04)
error('unexpected large difference with reference field');
end
disp('OK');
catch
disp('failed');
disp(lasterr);
end
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