MIT6_094IAP10_lec03

Colbie

MIT6_094IAP10_lec03

• How long did it take?
• Using min with matrices:
» a=[3 7 5;1 9 10; 30 -1 2];
» b=min(a); % returns the min of each column
  S; E8 h2 e" }- k; I» m=min(b); % returns min of entire a matrix
» m=min(min(a)); % same as above
» m=min(a( : )); % makes a a vector, then gets min
2 \" b/ v; t" I/ Y- x9 Z• Common mistake:
» [m,n]=find(min(a)); % think about what happens
* h2 s# {8 y4 v6 n; B• How to make and run a function: save the file, then call it from the command window like any other function. No need to 'compile' or make it official in any other way

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busahuang

看看什么好东东。