MIT6_094IAP10_lec03

Colbie

MIT6_094IAP10_lec03
! ]% S4 x5 P4 X0 w: o' P
! _  y9 [% @% c• How long did it take?
( x2 I8 W6 N: y. h5 w- M( l8 ?2 W• Using min with matrices:
» a=[3 7 5;1 9 10; 30 -1 2];
+ W0 |3 a: q5 W( P& B» 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
» m=min(a( : )); % makes a a vector, then gets min
• Common mistake:
( P  p. q0 V/ X» [m,n]=find(min(a)); % think about what happens
/ R6 c/ @- A, Z: Z6 U  K" l: u' U• 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

游客，如果您要查看本帖隐藏内容请回复

  A% r; d+ X; a+ {! n

busahuang

看看什么好东东。