kelvin goh

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These are replies submitted by kelvin goh

restart: with(plots):
inequal({y < 2, y >= x^2+1, (x-1)^2+(y-1)^2 <= 16}, x = -5 .. 8, y = -6 .. 6, optionsfeasible = (color = grey));
about syntax will cause part of circles missing. what should I do so that able to plot complete circle?

@Carl Love Thanks Carl. I finally get it

@Carl Love by applying the command above, I still cannot see the value of y = 4 when x = 1 in graph generated by using plot command. what others parameter that needed to add into plot command.

@Carl Love 

Thanks, However, as I understand above command is for Maple 2015. How about the command for Maple 18?

Thanks  a lot.

As refer to the command on piecewise function



Calling Sequence


piecewise(cond_1, f_1, cond_2, f_2, ..., cond_n, f_n, f_otherwise)


With the piecewise function it is possible to express piecewise-continuous functions.  The semantics are as in a case statement: if cond_1 is true then f_1, else if cond_2 is true then f_2, and so on. f_otherwise gives a default case which corresponds to all conditions being false.  The default for f_otherwise is 0.


so, when I try to define the function on above command as:


f(0) = 0.

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