
Re: finding index of any element in a matrix
Posted:
Jun 24, 2013 6:13 AM


On Monday, June 24, 2013 3:12:33 PM UTC+5:30, Nasser M. Abbasi wrote: > > the problem is i have taken a matrix > > > > > > R = rand(6,4) > > > > > > and i gave the same command that you mentioned... > > > > > > but it is not giving the answer... > > > > > > > Well, yes, ofcourse, the number 4 will not be in R, > > so typing find(R==4) will not return anything. > > > > Matlab rand returns numbers from 0 to 1 only. > > > > "from the standard uniform distribution on the open interval(0,1)" > > > > Nasser
Thanks for reply...
same command means... not find(R==4)...
eg,R = rand(3,3)
R =
0.4820 0.2262 0.2518 0.1206 0.3846 0.2904 0.5895 0.5830 0.6171
I = find(R==0.6171)
I =
Empty matrix: 0by1 that is the problem... is there any precision problem???

