Linear Algebra, Data Science, Predictive Analytics, Operations Research, Mathematics.
from the last row. Figure 11 by Author: Back Substitution Then we substitute z into 2nd equation to get y: Figure 12 by Author: Back Substitution Now that we have z and y, we can use it to solve the first equation: Figure 13 by Author: Back Substitution We now have 3 parts, which are our x,y, and