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Matlab Error Conversion To Double From Sym Is Not Possible

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Related Content Join the 15-year community celebration. Your P(2) is defined in terms of U(1), your P(3) is defined in terms of P(2) and U(2) and so P(3) is defined in terms of U(1) and U(2), and so The equation is x''=1-(4pi)^2*x My code is below:%1) Must rewrite 2nd order equation as a system of 1st order equationsclear alltime_period = [0 4];[t,x]=ode45(@spring,time_period, [0; 0]);%Call function spring:% | function dxdt=spring(t,x) Related Content Join the 15-year community celebration.

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Based on your location, we recommend that you select: . You can also add an author to your watch list by going to a thread that the author has posted to and clicking on the "Add this author to my watch You're feeding it a sym type, which throws the conversion error. Opportunities for recent engineering grads.

Apply Today MATLAB Academy New to MATLAB? Expand» Details Details Existing questions More Tell us some more Upload in Progress Upload failed. RE: MATLAB - conversion to double from sym not possible? Yes No Sorry, something has gone wrong.

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There are thousands of newsgroups, each addressing a single topic or area of interest. Reload the page to see its updated state. You could use subs() as Paulo suggests, but it might be easier to instead usefR2 = matlabFunction(R2); fx = matlabFunction(x); and then fR2 and fx would be function handles to functions Error using ==> plot - conversion to double from sym is not possible up vote 1 down vote favorite I'm having some problems with my code.

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Related Content Join the 15-year community celebration. http://threadspodcast.com/matlab-error/matlab-raise-error.html Join the conversation Toggle Main Navigation Log In Products Solutions Academia Support Community Events Contact Us How To Buy Contact Us How To Buy Log In Products Solutions Academia Support Community I am trying to plot a comparison between the ode45 solution of a simple spring mass equation and the exact solution. Exact Solution'); ylabel('x-position(m)'); xlabel('time(s)'); legend('ODE45','Exact') I created ‘spring’ as an anonymous function because it was more convenient for me. 2 Comments Show all comments Erik Erik (view profile) 1 question 0 Wolfram Alpha

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asked 5 years ago viewed 5247 times active 3 years ago Related 5Matlab double color plot3Error using ==> plot3 Conversion to double from cell is not possible.

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Close × Select Your Country Choose your country to get translated content where available and see local events and offers. Learn MATLAB today! United States Patents Trademarks Privacy Policy Preventing Piracy Terms of Use © 1994-2016 The MathWorks, Inc. x, however I get the error 'Conversion to double from sym is not possible'. 1 Comment Show all comments Christopher Creutzig Christopher Creutzig (view profile) 0 questions 34 answers 4 accepted

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