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Lubnow_Brian_HW_13

Lubnow_Brian_HW_13 - L=sqrt(x1-x2)^2(y1-y2)^2 Part B 12R-CF...

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12R-CF 11/28/2011 ENGE1114-HW 13 Lubnow, Brian PROBLEM STATEMENT: HW 13 Problem 1, learn to create and use function files in MatLab. SOLUTION: K = 0; MIN = 0; MAX = 1000; sumnum = 0; m = 0; Tdif = 0; vn = randi([10,100]); for K = 1:1:vn C = randi(1000); sumnum = sumnum + C; if v > MAX MAX = C; else if C < MIN MIN = C; end V(K) = C; end end avgnum = sumnum / vn; for m = 1:1:vn dif(m)=(V(m)-avgnum)^2; Tdif = dif(m) + Tdif; end div = Tdif/ (vn-1); dev = sqrt(div); fprintf( 'The number of values in the vector is: %.0f\n' , vn) fprintf( 'The average number is: %.0f\n' , avgnum) fprintf( 'The standard deviation of the numbers is: %.2f\n' , dev) fprintf( 'The maximum number is: %.0f\n' , max) fprintf( 'The minimum number is: %.0f\n' , min) PROBLEM STATEMENT: HW 13 problem 2. Use functions and script files to create a MatLab program to analyze triangles and the distance between two points. SOLUTION: Part A function L=DistanceBetween(x1,y1,x2,y2)

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Unformatted text preview: L=sqrt((x1-x2)^2+(y1-y2)^2); Part B 12R-CF 11/28/2011 ENGE1114-HW 13 Lubnow, Brian function R=areaoftriangle(a,b,c) s=(a+b+c)/2; R=sqrt(s*(s-a)*(s-b)*(s-c)); Part C x1=input( 'Input x coordinate of point 1: ' ); y1=input( 'Input y coordinate of point 1: ' ); x2=input( 'Input x coordinate of point 2: ' ); y2=input( 'Input y coordinate of point 2: ' ); x3=input( 'Input x coordinate of point 3: ' ); y3=input( 'Input y coordinate of point 3: ' ); a=Fdist(x1,y1,x2,y2); b=Fdist(x2,y2,x3,y3); c=Fdist(x3,y3,x1,y3); area=Farea(a,b,c); fprintf( 'The area of the Triangle is %.2f\n' ,area) Sample Run Input x coordinate of point 1: 3 Input y coordinate of point 1: 4 Input x coordinate of point 2: 5 Input y coordinate of point 2: 6 Input x coordinate of point 3: 9 Input y coordinate of point 3: 12 The area of the Triangle is 8.25...
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Lubnow_Brian_HW_13 - L=sqrt(x1-x2)^2(y1-y2)^2 Part B 12R-CF...

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