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how to write the matlab code for the sum function

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riki ragùa
riki ragùa 2018-4-4
评论： riki ragùa 2018-4-4
this is the summation that I want to use :
sgn is the sign function , x(t) is a vector of length T I have matlab version 2013 thank you
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James Tursa
James Tursa 2018-4-4
What have you done so far? What specific problems are you having with your code?
riki ragùa
riki ragùa 2018-4-4
I have found the solution ; it's ok . we have to do 2 for loops that's all . I didn't know that if we are new at something means it's a "shame", I'm kind of disappointed. anyway thank you James for your help .

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