[Numpy-discussion] The problem with arrays

yogesh karpate yogeshkarpate@gmail....
Tue Sep 22 07:12:23 CDT 2009


I just tried your idea but the result is same. it didnt help .

2009/9/22 Nadav Horesh <nadavh@visionsense.com>

> A quick answer with going into the details of your code:
>
> try
>  plt.plot(R_time,R_amp,'go',hold=1)
> (one line before the last)
>
>  Nadav
>
> -----הודעה מקורית-----
> מאת: numpy-discussion-bounces@scipy.org בשם yogesh karpate
> נשלח: ג 22-ספטמבר-09 14:11
> אל: numpy-discussion@scipy.org
> נושא: [Numpy-discussion] The problem with arrays
>
> Please kindly go through following code snippet
>  for i in range(a1):
>        data_temp=(bpf[left[0][i]:right[0][i]])# left is an array and right
> is also an array
>        maxloc=data_temp.argmax()       #taking indices of  max. value of
> data segment
>        maxval=data_temp[maxloc]
>        minloc=data_temp.argmin()
>        minval=data_temp[minloc]
>        maxloc = maxloc-1+left # add offset of present location
>        minloc = minloc-1+left # add offset of present location
>        R_index = maxloc
>        R_t = t[maxloc]
>        R_amp = array([maxval])
>        S_amp = minval#%%% Assuming the S-wave is the lowest
>        #%%% amp in the given window
>        #S_t = t[minloc]
>        R_time=array([R_t[0][i]])
>        plt.plot(R_time,R_amp,'go');
>        plt.show()
> The thing is that I want to plot R_time and R_amp in a single shot.The
> above
> code plots  R_time and R_amp each time and overwriting previous value as
> the
> loop continues,i.e. it displays the many graphs each  indicating single
> point (R_time,R_amp) as long as loop continues.What  I want is that all
> points from R_time and R_amp should be plotted in  one go.  I tried to take
> array  and store the value ,but it takes only one value  at the end of
> loop.
> How should I break this loop?Can anybody help me out ????
> Thanx in Advance
> Regards
> Yogesh
>
>
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