Wronskian of a matrix
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06-03-2015, 02:36 PM
(This post was last modified: 06-03-2015 02:37 PM by salvomic.)
Post: #1
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Wronskian of a matrix
hi,
with this program one can calculate wronskian of a matrix. The CAS program produce the determinant or the matrix of wronskian. Thanks to Han to have reviewed the program for me! Syntax: wronskm([f1,f2,...,fn]) wronskf(fun) Salvo Code:
∫aL√0mic (IT9CLU) :: HP Prime 50g 41CX 71b 42s 39s 35s 12C 15C - DM42, DM41X - WP34s Prime Soft. Lib |
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06-15-2015, 12:40 PM
Post: #2
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RE: Wronskian of a matrix
(06-15-2015 12:35 PM)compsystems Wrote: Good thank you! it helped me very much. Thanks also to Han that improved it for me! Salvo ∫aL√0mic (IT9CLU) :: HP Prime 50g 41CX 71b 42s 39s 35s 12C 15C - DM42, DM41X - WP34s Prime Soft. Lib |
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10-24-2016, 02:48 PM
Post: #3
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RE: Wronskian of a matrix
I have installed the program and can not get it to run. It shows no errors. Any help please.
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10-24-2016, 03:01 PM
Post: #4
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RE: Wronskian of a matrix
(10-24-2016 02:48 PM)JB1414 Wrote: I have installed the program and can not get it to run. It shows no errors. Any help please. you must operate in CAS mode. Use the program from Vars -> CAS -> (both "All" or "Programs" list are ok). i.e wronsk([3*x,x^2]) -> 3*x^2 wronskm([3*x,x^2]) -> a matrix [3*x,x^2; 3,2*x] No other. Try and let me know. Salvo ∫aL√0mic (IT9CLU) :: HP Prime 50g 41CX 71b 42s 39s 35s 12C 15C - DM42, DM41X - WP34s Prime Soft. Lib |
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05-06-2017, 01:34 AM
Post: #5
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RE: Wronskian of a matrix
(06-03-2015 02:36 PM)salvomic Wrote: hi, Hi, thanks for the program, but I have a question. How can I enter trigonometric values in the "f" functions? Wronskm ([sin (x), cos (x)]) thx |
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10-30-2017, 10:43 PM
Post: #6
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RE: Wronskian of a matrix
(05-06-2017 01:34 AM)Fernando Wrote: Hi, thanks for the program, but I have a question. hi Fernando, sorry for the delay in reply... You can simply do so: • type wronskm() or choose it from Vars/Programs • wronskm([]) •wronskm([SIN(x), COS(x)]) using the functions SIN, COS in the key H and I, insert x via the key D in both, and separate them with the comma (key O). You'll get a matrix: \[ \begin{bmatrix} SIN(x) & COS(x) \\ COS(x) & -SIN(x) \end{bmatrix} \] Please, let me know if it helps. Salvo ∫aL√0mic (IT9CLU) :: HP Prime 50g 41CX 71b 42s 39s 35s 12C 15C - DM42, DM41X - WP34s Prime Soft. Lib |
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11-04-2017, 02:20 PM
Post: #7
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RE: Wronskian of a matrix
Great program salvomic and Han!
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11-04-2017, 03:29 PM
Post: #8
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RE: Wronskian of a matrix
∫aL√0mic (IT9CLU) :: HP Prime 50g 41CX 71b 42s 39s 35s 12C 15C - DM42, DM41X - WP34s Prime Soft. Lib |
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