MIT6_094IAP10_lec03

Colbie

MIT6_094IAP10_lec03
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• How long did it take?
5 Z/ [+ \  k: L2 g• Using min with matrices:
» a=[3 7 5;1 9 10; 30 -1 2];
" j: A( E; h0 i! d" d8 F% b; b! y/ u» b=min(a); % returns the min of each column
  Q9 [# U" u3 s» m=min(b); % returns min of entire a matrix
» m=min(min(a)); % same as above
  y) @/ x# l1 ]3 w" B/ k* b* b» m=min(a( : )); % makes a a vector, then gets min
• Common mistake:
2 G% j8 B2 y, c' |, W, s» [m,n]=find(min(a)); % think about what happens
7 i! F! e+ G! c- V• 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。