MIT6_094IAP10_lec03

Colbie

MIT6_094IAP10_lec03
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• How long did it take?
• Using min with matrices:
! u% j6 b* ~+ m, P  d/ S. P» a=[3 7 5;1 9 10; 30 -1 2];
5 C, x0 c  T: ?. G. N» b=min(a); % returns the min of each column
» m=min(b); % returns min of entire a matrix
» m=min(min(a)); % same as above
1 x0 {1 X. O% r' E6 |/ v» m=min(a( : )); % makes a a vector, then gets min
• Common mistake:
» [m,n]=find(min(a)); % think about what happens
• 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。