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Science Forum Index » Math - Numerical Analysis Forum » shifted & rational chebyshev polynomilas
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| sun |
 Posted: Mon Mar 12, 2007 10:19 am |
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Guest
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Hello , I would like to know about shifted and rational chebyshev
polynomials,what are they and what is the difference while fitting. |
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| Peter Spellucci |
| Posted: Mon Mar 12, 2007 10:19 am |
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Guest
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In article <1173712785.232282.188940@64g2000cwx.googlegroups.com>,
"sun" <bianaib@gmail.com> writes:
Quote: Hello , I would like to know about shifted and rational chebyshev
polynomials,what are they and what is the difference while fitting.
maybe you mean
T_r^*(x) = T_r(2x-1) used for x in [0,1]
or
the relation
T_{2n}(x)=T_n(T_2(x))=T_n(2x^2-1)
??
hth
peter |
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| sun |
| Posted: Mon Mar 12, 2007 2:45 pm |
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Guest
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I mean trasfare [-1,1] to (0, infinity)
Peter Spellucci כתב:
Quote: In article <1173712785.232282.188940@64g2000cwx.googlegroups.com>,
"sun" <bianaib@gmail.com> writes:
Hello , I would like to know about shifted and rational chebyshev
polynomials,what are they and what is the difference while fitting.
maybe you mean
T_r^*(x) = T_r(2x-1) used for x in [0,1]
or
the relation
T_{2n}(x)=T_n(T_2(x))=T_n(2x^2-1)
??
hth
peter |
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| Back to top |
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| sun |
| Posted: Mon Mar 12, 2007 2:46 pm |
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Guest
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I mean trasfare [-1,1] to (0, infinity)
Peter Spellucci כתב:
Quote: In article <1173712785.232282.188940@64g2000cwx.googlegroups.com>,
"sun" <bianaib@gmail.com> writes:
Hello , I would like to know about shifted and rational chebyshev
polynomials,what are they and what is the difference while fitting.
maybe you mean
T_r^*(x) = T_r(2x-1) used for x in [0,1]
or
the relation
T_{2n}(x)=T_n(T_2(x))=T_n(2x^2-1)
??
hth
peter |
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| Back to top |
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