>> triangle_properties ( 'tex5.txt' ) 18-Jul-2009 20:48:35 TRIANGLE_PROPERTIES: MATLAB version: Determine properties of a triangle. Read the header of "tex5.txt". Spatial dimension DIM_NUM = 2 Number of points NODE_NUM = 3 Read the data in "tex5.txt". Node coordinates: Row: 1 2 Col 1 4.000000 1.000000 2 0.000000 9.000000 3 8.000000 3.000000 ANGLES (radians) 1 1.570796 2 0.463648 3 1.107149 ANGLES (degrees) 1 90.000000 2 26.565051 3 63.434949 AREA = -20.000000 CENTROID: 4.000000 4.333333 CIRCUM_RADIUS = 5.000000 CIRCUM_CENTER: 4.000000 6.000000 EDGE_LENGTHS 1 8.944272 2 10.000000 3 4.472136 IN_RADIUS = 1.708204 IN_CENTER: 4.763932 3.291796 ORIENTATION: Clockwise. ORTHO_CENTER: 4.000000 1.000000 QUALITY = 0.683282 TRIANGLE_PROPERTIES: Normal end of execution. 18-Jul-2009 20:48:35 >>