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Comments
I want help
I want find prime in Maple. I don't use Maple fluently. I have to enter, what is web? thank you.
isprime
If you want to check if a number is prime in Maple, use the isprime command.
Is that what you were looking for, or is it something else?
____
William Spaetzel
Marketing Engineer, Maplesoft
about fsolve
> restart;
> infolevel[all] := 0;
print(`output redirected...`); # input placeholder
0
> infolevel[evalf] := 0;
print(`output redirected...`); # input placeholder
0
> infolevel[fsolve] := 0;
print(`output redirected...`); # input placeholder
0
> Digits := 20;
print(`output redirected...`); # input placeholder
20
> fsolve(25*sqrt(2)*(int(sin(x)/sqrt(x), x = 0 .. x))+50*cos(x)-52.065 = 0, x = 0 .. 10);
print(`output redirected...`); # input placeholder
4.8970849930206885426
Why lost the solution on x=0.5 .Anyone got an idea?
> fsolve(25*sqrt(2)*(int(sin(x)/sqrt(x), x = 0 .. x))+50*cos(x)-52.065 = 0, x = 0 .. 1);
print(`output redirected...`); # input placeholder
/ / (1/2) (1/2)\ \
| (1/2) |2 x | |
fsolve|50 Pi FresnelS|-------------| + 50 cos(x) - 52.065 = 0, x, 0 .. 1|
| | (1/2) | |
\ \ Pi / /
Maple's right
Try this:
restart;
f := 25*sqrt(2)*(int(sin(x)/sqrt(x), x = 0 .. x))+50*cos(x)-52.065;
plot(f,x=0..6);
evalf(eval(f,x=1/2));
Hope this helps,
J. Tarr
Domine's Function
Hi Community, Could you help me please?
For example I Have this fuction:
f:=x^(1/3)
plot(f,x=-2..2);
However it don´t plot the side of numbers negatives, Why?
What do I do to solve it?
Thanks for your time.
Domine's Function
This question belongs in a new thread.
The negative range has imaginary components when raised to the (1/3), that is why you do not see it.
Regards,
Georgios Kokovidis
Dräger Medical
Domine's function
To get a version of the cube root of x that is real when x
is real, use surd(x,3). Or use the RealDomain package.
Domine's function
Using the function surd, as outlined above by Robert Israel, you can combine it with plot to get what you are looking for:
>restart:
>plot(surd(x,3),x=-2..2);
Regards,
Georgios Kokovidis
Dräger Medical
Login Help
Everytime that I attempt to login, I have to do it twice, that is, I enter my username and password, press Login, and it ignores me. I then do the same thing a second time, and I'm logged in OK.
WHY?