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what's wrong with this code?

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Arman Kam
Arman Kam 2012-7-26
关闭： MATLAB Answer Bot 2021-8-20
Hi,i have an array named sumNy. the content of sumNy gives me Ny and the number of it's cells show me corresponding accelerations. now i have a specified Ny that is between two Ny s in my sumNy array, and i want to obtain it's corresponding acceleration.
i wrote this code but i dont know why it is not working and it gives me y=0 !
for i=1:150
if i==1
y=0;
elseif sumNy(1,i-1)<=(1/475) & sumNy(1,i)>=(1/475)
y=(((1/475)-sumNy(1,i))/(sumNy(1,i-1)-sumNy(1,i)))*(i-1)+(1-(((1/475)- sumNy(1,i))/(sumNy(1,i-1)-sumNy(1,i))))*(i);
end
end
i must say that (1/475) is my specified Ny and there is two Ny s in my array that the specified Ny (1/475) place between them, so that is not why everytime i run this code it gives me y=0 !
please help me
Thanks
  2 个评论
Arman Kam
Arman Kam 2012-7-26
编辑：Arman Kam 2012-7-26
and here is sumNy array
sumNy=0.685079623000000 0.236606832000000 0.110267992000000 0.0572110040000000 0.0313797510000000 0.0180288710000000 0.0108257410000000 0.00677154700000000 0.00439156000000000 0.00293762700000000 0.00201682500000000 0.00141492900000000 0.00101064000000000 0.000732723000000000 0.000537897000000000 0.000399040000000000 0.000298677000000000 0.000225270000000000 0.000171029000000000 0.000130600000000000 0.000100237000000000 7.73000000000000e-05 5.98000000000000e-05 4.65000000000000e-05 3.62000000000000e-05 2.84000000000000e-05 2.22000000000000e-05 1.75000000000000e-05 1.38000000000000e-05 1.09000000000000e-05 8.65000000000000e-06 6.87000000000000e-06 5.47000000000000e-06 4.36000000000000e-06 3.48000000000000e-06 2.79000000000000e-06 2.24000000000000e-06 1.80000000000000e-06 1.45000000000000e-06 1.17000000000000e-06 9.44000000000000e-07 7.64000000000000e-07 6.20000000000000e-07 5.03000000000000e-07 4.09000000000000e-07 3.33000000000000e-07 2.72000000000000e-07 2.22000000000000e-07 1.82000000000000e-07 1.49000000000000e-07 1.22000000000000e-07 1.01000000000000e-07 8.27000000000000e-08 6.82000000000000e-08 5.62000000000000e-08 4.65000000000000e-08 3.84000000000000e-08 3.18000000000000e-08 2.64000000000000e-08 2.19000000000000e-08 1.82000000000000e-08 1.52000000000000e-08 1.27000000000000e-08 1.06000000000000e-08 8.82000000000000e-09 7.38000000000000e-09 6.18000000000000e-09 5.18000000000000e-09 4.34000000000000e-09 3.65000000000000e-09 3.07000000000000e-09 2.58000000000000e-09 2.18000000000000e-09 1.84000000000000e-09 1.55000000000000e-09 1.31000000000000e-09 1.11000000000000e-09 9.39000000000000e-10 7.96000000000000e-10 6.75000000000000e-10 5.73000000000000e-10 4.87000000000000e-10 4.15000000000000e-10 3.53000000000000e-10 3.01000000000000e-10 2.57000000000000e-10 2.19000000000000e-10 1.87000000000000e-10 1.60000000000000e-10 1.37000000000000e-10 1.17000000000000e-10 1.01000000000000e-10 8.64000000000000e-11 7.42000000000000e-11 6.38000000000000e-11 5.49000000000000e-11 4.72000000000000e-11 4.07000000000000e-11 3.51000000000000e-11 3.03000000000000e-11 2.61000000000000e-11 2.26000000000000e-11 1.95000000000000e-11 1.69000000000000e-11 1.46000000000000e-11 1.27000000000000e-11 1.10000000000000e-11 9.52000000000000e-12 8.27000000000000e-12 7.18000000000000e-12 6.25000000000000e-12 5.43000000000000e-12 4.73000000000000e-12 4.12000000000000e-12 3.59000000000000e-12 3.13000000000000e-12 2.73000000000000e-12 2.39000000000000e-12 2.08000000000000e-12 1.82000000000000e-12 1.59000000000000e-12 1.40000000000000e-12 1.22000000000000e-12 1.07000000000000e-12 9.39000000000000e-13 8.24000000000000e-13 7.23000000000000e-13 6.35000000000000e-13 5.58000000000000e-13 4.91000000000000e-13 4.32000000000000e-13 3.80000000000000e-13 3.35000000000000e-13 2.95000000000000e-13 2.60000000000000e-13 2.29000000000000e-13 2.02000000000000e-13 1.79000000000000e-13 1.58000000000000e-13 1.39000000000000e-13 1.23000000000000e-13 1.09000000000000e-13 9.65000000000000e-14 8.54000000000000e-14 7.57000000000000e-14 6.71000000000000e-14 5.95000000000000e-14 5.28000000000000e-14 4.68000000000000e-14 4.16000000000000e-14
Arman Kam
Arman Kam 2012-7-26
one can see (1/475) is between 10th and 11th value.

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回答（1 个）

Arman Kam
Arman Kam 2012-7-26
sorry friends, i just find out my horrible mistake!
but still if you have a better way to do this please tell me

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