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Ingy döt Net 2013-04-10 23:57:08 -07:00
parent 47bf37c096
commit b83f433714
12433 changed files with 156208 additions and 123 deletions
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Task/Numeric-error-propagation/Tcl/numeric-error-propagation-3.tcl Normal file
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set x1 [Err 100 1.1]
set x2 [Err 200 2.2]
set y1 [Err 50 1.2]
set y2 [Err 100 2.3]
# Evaluate in a local context to clean up intermediate objects
set d [scope {
[[[$x1 - $x2] ** 2] + [[$y1 - $y2] ** 2]] ** 0.5
}]
puts "d = [$d p]"