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Simple for loop question.
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I am wanting to write a for loop for 2 differential equations.
For 0<x<5 dadb = (2*x)
For 5<x<10 dadb = (3*x)
How would I code this?
Cheers
3 Comments
Jan
on 9 Dec 2012
Are you sure that you mean a FOR-loop? Look at "doc for" and "help for", if this really matches your needs.
Answers (1)
Rick Rosson
on 9 Dec 2012
Edited: Rick Rosson
on 9 Dec 2012
dx = 0.01;
x = (0:dx:10-dx)';
idx = (x < 5);
C = ...
D = ...
z = ( C + x.^2 / 2 ) .* idx + ( D + x.^3 / 3 ) .* ( 1 - idx ) ;
You will need to specify values for the constant C and D based on the initial value of z and the continuity condition at x = 5.
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