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Joined: 12/12/2016(UTC) Posts: 20 Location: Poznań
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Hi there,
is it possible to get exact point of functions intersection in Smath somehow? I have simply linear and constant function.
BR, Marcin
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Joined: 23/12/2011(UTC) Posts: 319 Location: italy Was thanked: 109 time(s) in 93 post(s)
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There are more opportunities: without the use of plugins, for example, you can use the function or the method of inversion of the matrix. sergio
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1 user thanked PompelmoTell for this useful post.
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Rank: Member Groups: Registered
Joined: 12/12/2016(UTC) Posts: 20 Location: Poznań
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Originally Posted by: PompelmoTell There are more opportunities: without the use of plugins, for example, you can use the function or the method of inversion of the matrix. sergio Thanks! What with quadratic or higher function? BR
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Rank: Advanced Member Groups: Registered
Joined: 23/12/2011(UTC) Posts: 319 Location: italy Was thanked: 109 time(s) in 93 post(s)
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The method 2, of course, no; the method 1 yes, but get only one solution. You can also use the internal function, "solve", or the plugins. Search on the forum the plugins "nonlinearsolvers" and "maxima". Allow to extend the solution of nonlinear equations (reading the discussions can also highlight some limitations highlighted by users).
sergio
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Joined: 04/07/2015(UTC) Posts: 6,866 Was thanked: 981 time(s) in 809 post(s)
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Read the first example carefully. 'solve' is inaccurate on long range but the initial is good enough to reduce the brackets. Wise to check with accurate 'Dichotomy'. Jean Forum Solve.sm (16kb) downloaded 41 time(s).
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Rank: Guest
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Joined: 04/07/2015(UTC) Posts: 6,866 Was thanked: 981 time(s) in 809 post(s)
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"roots" is a great solving companion: solve explicit & solve general intersection. Jean Solve roots.sm (13kb) downloaded 51 time(s).
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Rank: Member Groups: Registered
Joined: 12/12/2016(UTC) Posts: 20 Location: Poznań
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