[求助]求教关于MATLAB的语句

subplot(3,1,3),pcolor(hz'); `?)ivy>\:  
shading flat; "@IrBi6  
caxis([-0.2 0.2]); $w{!}U2+-  
axis([1 ie 1 je]); OL|_@Fv`A  
colorbar; Z}74% 9qE  
axis image; RL0,QC)e#@  
axis off; YB{hQ<W
 
title(['Hz at time step = 0']); 9&e=s<6dO  
rect=get(gcf,'Position'); --*Jv"/0  
rect(1:2)=[0 0]; PScq-*^  
M=moviein(nmax/4,gcf,rect); It.G-(  
9AQMB1D*v4  
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请问蓝色部分的语句都是什么 .. B;f\H,/59  
CD|)TXy  

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caxis([cmin cmax]) sets the color limits to specified minimum and maximum values. Data values less than cmin or greater than cmax map to cmin and cmax, respectively. Values between cmin and cmax linearly map to the current colormap. H;#3S<  
moviein ^|h5*Tb  
fc}G6P;3{  
moviein Initialize movie frame memory. N>Dr z  
    moviein is no longer needed as of MATLAB Release 11 (5.3).   };rxpw>ms  
    In previous revisions, pre-allocating a movie increased p i;,?p-  
    performance, but there is no longer a need to pre-allocate K^H{B& b8  
    movies. To create a movie, use something like the (}$pf6s  
    following example: ccLTA  
Idy{(Q  
      for j=1:n v'x)AbbC  
         plot_command <W,M?r+  
         M(j) = getframe; v() wngn  
      end \KBE+yj  
      movie(M) --(e(tvf  
?CaMn b8  
    For code that is compatible with all versions of MATLAB, pS1f y]  
    including versions before Release 11 (5.3), use: ^A4bsoW  
L4fM?{Ic:s  
      M = moviein(n); ?{@UB*  
      for j=1:n \0K3TMl)J  
         plot_command pN-l82]'  
         M(:,j) = getframe; V^n?0^o  
      end :h4Nfz(  
      movie(M)