## 11 Badges

16 years, 200 days

## I have a Mac...

`    |\^/|     Maple 15 (APPLE UNIVERSAL OSX)._|\|   |/|_. Copyright (c) Maplesoft, a division of Waterloo Maple Inc. 2011 \  MAPLE  /  All rights reserved. Maple is a trademark of <____ ____>  Waterloo Maple Inc.      |       Type ? for help.> (a+3)^17;                                          17                                   (a + 3)> expand(%); 17       16         15          14           13            12            11a   + 51 a   + 1224 a   + 18360 a   + 192780 a   + 1503684 a   + 9022104 a                 10              9              8               7     + 42532776 a   + 159497910 a  + 478493730 a  + 1148384952 a                   6               5               4               3     + 2192371272 a  + 3288556908 a  + 3794488740 a  + 3252418920 a                   2     + 1951451352 a  + 731794257 a + 129140163> `
` `

---

G A Edgar

## JavaViewLib...

see post here ... http://www.mapleprimes.com/posts/89752-JavaViewLib

---

G A Edgar

## work-around...

Assumed variables get new names, using the old name beta doesn't change the new name I guess.

work-around:

assign(beta,1);

---

G A Edgar

## more explanation...

Writing e^x for the exponential function is your error.  It is very common among beginners with Maple, and still is found occasionally among experienced users of Maple.

---

G A Edgar

## my answer...

Instead of all those "assumes" I prefer to do it more directly...

morley.mw

---

G A Edgar

## Or do you mean this?...

p := x^4-4*x^3+2*x^2+3*x;
p := x^4-4*x^3+2*x^2+3*x

solve(p,x);
0, 3, 1/2+(1/2)*5^(1/2), 1/2-(1/2)*5^(1/2)

%;
1/2+(1/2)*5^(1/2)

---

G A Edgar

## matrices...

Did you mean matrices as opposed to Matrices? As I recall, you can use evalm(A+B) if you don't want to look up the syntax --- G A Edgar

## why not?...

To see what is going on, start with something simpler and look at the answers. Say: k := n+p; j:=subs({p=mu/n},k); m1:=subs({n=-((sigma)^(2))/(p*(p-1))},j); v :=subs({n=-((sigma)^(2))/(p*(p-1))},k); m2 := subs({p=mu/n},v); --- G A Edgar

## note...

In your code, if there is a string 7777 then it counts as only one triple. That is one way to count them... But does it work right for 777555 or does it miss the second triple? --- G A Edgar

## What he said. Look up...

What he said. Look up "chain rule" in your calculus text. The required conditions should be spelled out. --- G A Edgar

## Formulas: f := sqrt(x) ...

Formulas: f := sqrt(x) and g := -sqrt(x+4)-18 What next? Can you plot just one? --- G A Edgar

## For example...

For example (x-3)/(x-6)/(x+2) --- G A Edgar

## MacOS...

This bug occurs in the MacOS version of Maple 13.02, too. (Or at least some bug: the dialog flashed on the screen too fast to read, so maybe it wasn't losing connection to kernel.) --- G A Edgar

## The general solution of the...

The general solution of the Bessel equation is f(x) = A*BesselJ(v,x)+B*BesselY(v,x) where A and B are arbitrary constants. So perhaps the particular f you need has some additional information to let you determine A and B for your case. For example, if you know that f is continuous at 0, then B=0. (I assumed v is an integer.) --- G A Edgar

## lprint...

Perhaps with lprint() ? Of course it depends on what you want to get. --- G A Edgar
﻿