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⇤ ← Revision 1 as of 2010-12-18 06:14:15
Size: 383
Comment: ploting Newtons law of cooling with y as temperature and x as time variables
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← Revision 2 as of 2010-12-18 07:18:09 ⇥
Size: 616
Comment: properties of matrices
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| Deletions are marked like this. | Additions are marked like this. |
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| var('x') y=function('y',x) deq=diff(y,x)-(-0.046)*(y-32)==0 plot(desolve(deq,[y,x],ics=(0,66)),(x,0,10),ymin=0,ymax=67)+plot(32,(x,0,10)) |
A=matrix([[2,3,4],[5,6,7],[8,9,1]]) B=matrix([[4,5,6],[1,3,4],[6,5,9]]) C=matrix([[5,7,2],[5,1,9],[8,3,7]]) I=matrix([[1,0,0],[0,1,0],[0,0,1]]) Q=I*A print Q Z=bool(Q==A) print Z w=(A*B)*C e=A*(B*C) print w print e L=bool(w==e) print L r=A*(B+C) t=(A*B)+(A*C) print r print t V=bool(r==t) print V Y=A*B U=B*A print U print Y bool(U==Y) }}} |
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| * <Manisha>, <student>, <SNIST> * <Deepthi>, <student>, <SNIST> |
* guna,student,snist * sadhana,student,snist * sai kumar,student,mriet |
Book
Linear Algebra
Author
Gilbert Strang
Edition
A=matrix([[2,3,4],[5,6,7],[8,9,1]]) B=matrix([[4,5,6],[1,3,4],[6,5,9]]) C=matrix([[5,7,2],[5,1,9],[8,3,7]]) I=matrix([[1,0,0],[0,1,0],[0,0,1]]) Q=I*A print Q Z=bool(Q==A) print Z w=(A*B)*C e=A*(B*C) print w print e L=bool(w==e) print L r=A*(B+C) t=(A*B)+(A*C) print r print t V=bool(r==t) print V Y=A*B U=B*A print U print Y bool(U==Y)
Solution by:
- guna,student,snist
- sadhana,student,snist
- sai kumar,student,mriet