+- Python Forum (https://python-forum.io)
+-- Forum: Python Coding (https://python-forum.io/forum-7.html)
+--- Forum: General Coding Help (https://python-forum.io/forum-8.html)
+--- Thread: I have an index error inline 76 but I write the program in a way that cant reach tha (/thread-30919.html)
I have an index error inline 76 but I write the program in a way that cant reach tha - abbaszandi - Nov-13-2020
##I have an index error inline 76 but I write the program in a way that cant reach that index
import numpy as np
h=500+29/2
kc=50
ks=5
t=20
h=500
km=(kc+ks)/2
q=10^7
dx=.002
zarayeb=np.zeros([377,377])
savabet=np.zeros([377])
def where(i):
if i in [53,183,313]:
return 'paye'
elif i ==1:
return 'gushchappaiin'
elif i in range(2,12):
return 'marzchap'
elif i==13:
return 'gushchapbala'
elif i in [26,39,52,65,78,91,104,117,286,299,312,325,338,351,364]:
return 'marzbala'
elif i==130 or i==260:
return 'ghushchipbala'
elif i in[143,156,169,182,195,208,221,234,247]:
return 'marzchipbala'
elif i==377:
return 'gushrastbala'
elif i in range(366,377):
return 'marzrast'
elif i==365:
return 'gushrastpaiin'
elif i in [14,27,40,66,79,92,105,118,131,144,157,170,196,209,222,235,248,261,274,287,300,326,339,352]:
return 'marzpaiin'
elif i in [129,128,127]:
return 'marzchipchap'
elif i in [259,258,257]:
return 'marzchiprast'
elif i in [139,152,165,178,191,204,217,230,243]:
return 'marzchippaiin'
elif i==126:
return 'gushchipchappaiin'
elif i==256:
return 'gushchiprastpaiin'
elif i in [142,155,168,181,194,207,220,233,246,141,154,167,180,193,206,219,232,245,140,153,166,179,192,205,218,231,244]:
return 'chip'
else:
return 'bdn'
for i in range(378):
z=where(i)
if z=='paye':
zarayeb[i-1,i-1]=1
savabet[i-1]=33
elif z=='gushchappaiin':
zarayeb[i-1,i-1]=-2
zarayeb[i-1,i-1+13]=1
zarayeb[i-1,i-1+1]=1
savabet[i-1]=0
elif z=='gushrastpaiin':
zarayeb[i-1,i-1]=-2
zarayeb[i-1,i-1-13]=1
zarayeb[i-1,i-1-1]=1
savabet[i-1]=0
elif z=='gushchapbala':
zarayeb[i-1,i-1]=-(2+h*dx/ks)
zarayeb[i-1,i-1+13]=1
zarayeb[i-1,i-1-1]=1
savabet[i-1]=-h*dx*t/ks
elif z=='gushrastbala':
zarayeb[i-1,i-1]=-(2+h*dx/ks)
zarayeb[i-1,i-1-13]=1
zarayeb[i-1,i-1-1]=1
savabet[i-1]=-h*dx*t/ks
elif 'marzchap':
zarayeb[i-1,i-1]=-4
zarayeb[i-1,i-1+13]=2
zarayeb[i-1,i-1-1]=1
zarayeb[i-1,i-1+1]=1
savabet[i-1]=0
elif 'marzrast':
zarayeb[i-1,i-1]=-4
zarayeb[i-1,i-1-13]=2
zarayeb[i-1,i-1-1]=1
zarayeb[i-1,i-1+1]=1
savabet[i-1]=0
elif 'marzchipbala':
zarayeb[i-1,i-1]=-(4+2*dx*h/kc)
zarayeb[i-1,i-1-13]=1
zarayeb[i-1,i-1+13]=1
zarayeb[i-1,i-1-1]=2
savabet[i-1]=-(2*h*dx*t/kc+q*dx**2/kc)
elif 'marzchipchap':
zarayeb[i-1,i-1]=-(ks+kc+2*km)
zarayeb[i-1,i-1-13]=ks
zarayeb[i-1,i-1+13]=kc
zarayeb[i-1,i-1-1]=km
zarayeb[i-1,i-1+1]=km
savabet[i-1]=-(q*dx**2/2)
elif'marzchprast':
zarayeb[i-1,i-1]=-(ks+kc+2*km)
zarayeb[i-1,i-1-13]=kc
zarayeb[i-1,i-1+13]=ks
zarayeb[i-1,i-1-1]=km
zarayeb[i-1,i-1+1]=km
savabet[i-1]=-(q*dx**2/2)##I have an index error inline 76 but I write the program in a way that cant reach that index
RE: I have an index error inline 76 but I write the program in a way that cant reach tha - bowlofred - Nov-13-2020
Line 74 says
elif 'marzchap':. Since there is no variable mentioned, this is equivalent to elif True:. There is no case where it will fail.Earlier your conditionals all compare against
z. I suspect you meant to do that here (and the later ones) as well.
RE: I have an index error inline 76 but I write the program in a way that cant reach tha - buran - Nov-13-2020
It hurts just looking at this huge if blocks and I will not refactor it for you.
Didn't see the issues that @bowlofred noticed
as to the error - learn how to debug and how to handle errors. And the Index error message is clear, but anyway
i-1+13 will produce invalid index for i >= 366import numpy as np
h=500+29/2
kc=50
ks=5
t=20
h=500
km=(kc+ks)/2
q=10^7
dx=.002
zarayeb=np.zeros([377,377])
savabet=np.zeros([377])
def where(i):
if i in [53,183,313]:
return 'paye'
elif i ==1:
return 'gushchappaiin'
elif i in range(2,12):
return 'marzchap'
elif i==13:
return 'gushchapbala'
elif i in [26,39,52,65,78,91,104,117,286,299,312,325,338,351,364]:
return 'marzbala'
elif i==130 or i==260:
return 'ghushchipbala'
elif i in[143,156,169,182,195,208,221,234,247]:
return 'marzchipbala'
elif i==377:
return 'gushrastbala'
elif i in range(366,377):
return 'marzrast'
elif i==365:
return 'gushrastpaiin'
elif i in [14,27,40,66,79,92,105,118,131,144,157,170,196,209,222,235,248,261,274,287,300,326,339,352]:
return 'marzpaiin'
elif i in [129,128,127]:
return 'marzchipchap'
elif i in [259,258,257]:
return 'marzchiprast'
elif i in [139,152,165,178,191,204,217,230,243]:
return 'marzchippaiin'
elif i==126:
return 'gushchipchappaiin'
elif i==256:
return 'gushchiprastpaiin'
elif i in [142,155,168,181,194,207,220,233,246,141,154,167,180,193,206,219,232,245,140,153,166,179,192,205,218,231,244]:
return 'chip'
else:
return 'bdn'
for i in range(378):
try:
z=where(i)
if z=='paye':
zarayeb[i-1,i-1]=1
savabet[i-1]=33
elif z=='gushchappaiin':
zarayeb[i-1,i-1]=-2
zarayeb[i-1,i-1+13]=1
zarayeb[i-1,i-1+1]=1
savabet[i-1]=0
elif z=='gushrastpaiin':
zarayeb[i-1,i-1]=-2
zarayeb[i-1,i-1-13]=1
zarayeb[i-1,i-1-1]=1
savabet[i-1]=0
elif z=='gushchapbala':
zarayeb[i-1,i-1]=-(2+h*dx/ks)
zarayeb[i-1,i-1+13]=1
zarayeb[i-1,i-1-1]=1
savabet[i-1]=-h*dx*t/ks
elif z=='gushrastbala':
zarayeb[i-1,i-1]=-(2+h*dx/ks)
zarayeb[i-1,i-1-13]=1
zarayeb[i-1,i-1-1]=1
savabet[i-1]=-h*dx*t/ks
elif 'marzchap':
zarayeb[i-1,i-1]=-4
zarayeb[i-1,i-1+13]=2
zarayeb[i-1,i-1-1]=1
zarayeb[i-1,i-1+1]=1
savabet[i-1]=0
elif 'marzrast':
zarayeb[i-1,i-1]=-4
zarayeb[i-1,i-1-13]=2
zarayeb[i-1,i-1-1]=1
zarayeb[i-1,i-1+1]=1
savabet[i-1]=0
elif 'marzchipbala':
zarayeb[i-1,i-1]=-(4+2*dx*h/kc)
zarayeb[i-1,i-1-13]=1
zarayeb[i-1,i-1+13]=1
zarayeb[i-1,i-1-1]=2
savabet[i-1]=-(2*h*dx*t/kc+q*dx**2/kc)
elif 'marzchipchap':
zarayeb[i-1,i-1]=-(ks+kc+2*km)
zarayeb[i-1,i-1-13]=ks
zarayeb[i-1,i-1+13]=kc
zarayeb[i-1,i-1-1]=km
zarayeb[i-1,i-1+1]=km
savabet[i-1]=-(q*dx**2/2)
elif'marzchprast':
zarayeb[i-1,i-1]=-(ks+kc+2*km)
zarayeb[i-1,i-1-13]=kc
zarayeb[i-1,i-1+13]=ks
zarayeb[i-1,i-1-1]=km
zarayeb[i-1,i-1+1]=km
savabet[i-1]=-(q*dx**2/2)
except IndexError as er:
print(f'i = {i}')
print(er)Output:i = 366
index 378 is out of bounds for axis 1 with size 377
i = 367
index 379 is out of bounds for axis 1 with size 377
i = 368
index 380 is out of bounds for axis 1 with size 377
i = 369
index 381 is out of bounds for axis 1 with size 377
i = 370
index 382 is out of bounds for axis 1 with size 377
i = 371
index 383 is out of bounds for axis 1 with size 377
i = 372
index 384 is out of bounds for axis 1 with size 377
i = 373
index 385 is out of bounds for axis 1 with size 377
i = 374
index 386 is out of bounds for axis 1 with size 377
i = 375
index 387 is out of bounds for axis 1 with size 377
i = 376
index 388 is out of bounds for axis 1 with size 377