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gibson:teaching:fall-2014:math445:lecture16-diary

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gibson:teaching:fall-2014:math445:lecture16-diary [2014/11/18 07:24]
gibson
gibson:teaching:fall-2014:math445:lecture16-diary [2014/11/18 07:25]
gibson [surf, surfc]
Line 89: Line 89:
 The previous plots were all looking straight down at the (x,y) plane, with the value of z = f(x,y) encoded as a color. The ''​surf''​ function will plot z = f(x,y) in 3D, as a surface of height z over the (x,y) plane. ​ The previous plots were all looking straight down at the (x,y) plane, with the value of z = f(x,y) encoded as a color. The ''​surf''​ function will plot z = f(x,y) in 3D, as a surface of height z over the (x,y) plane. ​
  
 +<code matlab>
 surf(X,Y,Z) % draw z=f(x,y) as a surface over x,y surf(X,Y,Z) % draw z=f(x,y) as a surface over x,y
 xlabel('​x'​);​ ylabel('​y'​);​ zlabel('​z'​) xlabel('​x'​);​ ylabel('​y'​);​ zlabel('​z'​)
 axis equal; axis tight axis equal; axis tight
 +</​code>​
  
 It's also possible to draw more complicated surfaces (surfaces that are not simple graphs of the form It's also possible to draw more complicated surfaces (surfaces that are not simple graphs of the form
gibson/teaching/fall-2014/math445/lecture16-diary.txt ยท Last modified: 2014/11/18 07:25 by gibson