new file:   laplaceTransformVec.tex
modified:   ../METADATA
new file:   ../blogit/multiphysicsL20.tex
modified:   ../blogit/renumber
modified:   METADATA
modified:   appendixchapters.tex
renamed:    ../blogit/laplaceTransformVec.tex -> laplaceTransformVec.tex
modified:   multiphysicsL18.tex