I need to solve P = Inertia*A*sigma[net]/(Inertia+(1/2)*A*(e+v)*d).  Everything has been defined, but v is dependent upon P.  I"ve tried rsolve (probably incorrectly) and all it gives me back is the same equation with all the variables replaced by their assigned values, still with P on both sides.

I'm defining variables in 2-D math worksheet. When I hit enter though, all that shows is a list of the defined variables, but not the variables that they've been assigned to.  For example, I'll enter "e:=0.0010;" and all that shows is "0.0010" instead of the "e=0.0010" that I need it to be.  I'm sure this is the most basic of things, but all the manuals and tutorials I've found just show it happening that way, they don't mention what to do if it doesn't happen.

 

Thanks

Inside a Proc() that I am writing I cannot do the following:

intercepts[b]:=intercepts[b+1];

where b is a number and intercepts is an array of size greater then or equal to b+1.  My confusion is that that same concept works outside of a Proc.. Am I missing something?

 

Thanks,

 

Josh

Hello,

I've changed my PC so I've tried to reinstall Maple 11 from XP to Vista (with the Vista installer of Maple). I've got the following issues:

how do u approximate matrix entries to a number of significant figures?

PLEASE HELP

x nadine

I have two sets of scatter data.  Each set has been fit by a different function which is dependent on independent variable N.  The x-axis is 1/N. 

Set 1:

Scatter data is (0.125, -4.72557), (0.08333, -4.53944), (0.0625, -4.48229), (0.05, -4.42733)

where the x-axis is 1/N with N = 8, 12, 16, 20 and the y-axis is a function in terms of N as well: -8.55704612297018*SQRT(1-0.73962210555774*COS(PI()/(N+1)))

Set 2:

Scatter data is (0.125, -1.7312), (0.08333, -1.96658), (0.0625, -2.1274), (0.05, -2.187)

3.) A 5.00 x 10^2g block of metal absorbs 5016 joules of heat when its temperature changes from 20 degrees C to 30 degrees C. Calculate the specific heat of the metal.

I'm using Maple TA with first-year business students.

Hey, I want to look into something about n! I wrote a procedure like: > myfactorial:=proc(N) > local ptlist,k: > uses plots: > ptlist:=NULL: > for k to N do > ptlist:=ptlist,(k,k!): > od: > pointplot([ptlist],color=red); > end: myfactorial(20); works fine myfactorial(50); and more than 50 it says floating point overflow.please shorten axes.. is there a way to make it work? and n! is defined as int(x^n*exp(1)^(-x),x=0..infinity); why the output is Gamma (n+1) insteas of 1? simplify(%/n!); # can give me "1" and how do i get maple to plot

What I mean is, I have a set of variable, and a set of equations. The thing is, there are a lot of variables, and not enough equations to uniquely determine them unless the 'rules' are applied, which are:

1) all x_i that exist are integers between 1 and 9, i.e. x_i is in {1,2,3,4,5,6,7,8,9}

2) if x_i exists, then x_i<>x_i+1 AND x_i<>x_i+10

In an effort to draw the unit normal of a vector, n, to a curve defined by a radius curve, r, the following command is inputted to Maple but recieves the error also noted below.

arrow([0,0,0],eval(convert(n,list),t=0*Pi),shape=cylindrical_arrow,color=black);

Error, (in simpl/abs) abs is not differentiable at 0

 However a plot of the components of the unit vector shows that it is well behaved at 0, i.e. it has values of <-1,0,0>

I'm trying to write a sequence on Maple11 that outputs the determinant of the vandermonde matrix for  a given n in terms of x_i, i=1...n. The procedure shud have a single argument n so that it begins VanDet:=proc(n).

PLEASE HELP

xxx nadine

I wonder if maple has a way for multiple inputs to functions.  For example, given:

f := (x,y) → x + y

is there a way to pass in (x,y) = (0,0) AND (1,1) at the same time?   I tried:

f({0,0},{1,1})

But the output doesn't make sense to me.I have wanted this feature as long as I have had maple, but gave up on this possibility.  Now by accident I discovered something quite similar. when checking maple's solution to a system of equations.

what is the verbal representation of function mean

 

So I was searching the net and such for and idea of how to do this, i found: www.maplesoft.com/Applications/appviewer.aspx

The first example is pretty self explanitory, now my question is for more complicated functions is there a maple method to do this quicker, or do i have to do the beat it with a stick method?

 

Thanks!