## 12 Badges

12 years, 316 days

## How do I solve a system in two unknown v...

Maple 2016

I'm trying to solve the really simple system u+v = <-2,4> and u-v = <-3,6> for u and v using Maple. My attempt attached.

Download solve_error.mw

Why do I get this error? How might I get the solution?

## What is causing this error with InitialV...

Maple 2016

I'm trying to approximate the solution of an IVP using Euler's method in the InitialValueProblem command and I keep getting this error (see attached worksheet). Can someone explain why? Thanks!

Download ivp_error.mw

## Error in shadebetween...

Maple 2015

Can anyone offer an explanation why the following error occurs, and how it can be avoided? Thanks!

Download error.mw

## Computing eigenvalues with assumptions...

Maple 18

I am trying to simplify the eigenvalues of a 2x2 matrix [[a,b],[c,d]] subject to the condition a,b,c, and d are integers such that a+b = c+d. Why do the following commands not achieve this?

with(LinearAlgebra):

A:=Matrix[[a,b],[c,d]]):

Eigenvalues(A) assuming a::integer,b::integer,c::integer,d::integer,a+b=d+c

How might I achieve what I need?

## Exact Values for ProjectionPlot...

Maple 18

After I've set my infolevel and used the ProjectionPlot command, is there any way to force Maple to display the information using exact values, instead of decimal approximations? See the attached file for the additional information.

Download projection_plot.mw

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