>> triangle_properties ( 'tex3.txt' ) 18-Jul-2009 20:46:12 TRIANGLE_PROPERTIES: MATLAB version: Determine properties of a triangle. Read the header of "tex3.txt". Spatial dimension DIM_NUM = 2 Number of points NODE_NUM = 3 Read the data in "tex3.txt". Node coordinates: Row: 1 2 Col 1 0.000000 0.000000 2 10.000000 0.000000 3 0.000000 1.000000 ANGLES (radians) 1 1.570796 2 0.099669 3 1.471128 ANGLES (degrees) 1 90.000000 2 5.710593 3 84.289407 AREA = 5.000000 CENTROID: 3.333333 0.333333 CIRCUM_RADIUS = 5.024938 CIRCUM_CENTER: 5.000000 0.500000 EDGE_LENGTHS 1 10.000000 2 10.049876 3 1.000000 IN_RADIUS = 0.475062 IN_CENTER: 0.475062 0.475062 ORIENTATION: CounterClockwise. ORTHO_CENTER: 0.000000 0.000000 QUALITY = 0.189082 TRIANGLE_PROPERTIES: Normal end of execution. 18-Jul-2009 20:46:12 >>