Consider the following steps: 
1. Invert the stiffness matrix to determine the nodal temperature values.

2. Plot the temperature contours using nodal temperature values.
Steps 1 and 2 take the same amount of time.
Step 1 takes a longer time than step 2.
Step 1 takes a shorter time than step 2.

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Heat Flux Vectors

Probe Temperature

Temperature Along a Line