Help with mathematical software like Maple, Mathematica, MATLAB, Wolfram Alpha, Mathcad, ...
1
vote
2answers
45 views
Software for Solving Numerically Fractional Differential Equations
I have been trying to find information on how to solve fractional differential equations numerically with the usual maths software (Mathematica, Maple, Matlab..). Or to find an alternative program to ...
4
votes
1answer
128 views
FLOSS tool to visualize 2- and 3-space matrix transformations
I'm looking for a FLOSS application (Windows or Ubuntu but preferably both) that can help me visualize matrix transformations in 2- and 3-space.
So I'd like to be able to enter a vector or matrix, ...
2
votes
1answer
103 views
Plot Individual Vectors Online
I'm looking to plot individual vectors (not a field) for an equilibrium lab using some type of free online site or tool. I've googled for a while and found nothing.
Any ideas?
2
votes
1answer
90 views
Computing contractions of ideals in Macaulay2
Does Macaulay2 compute contractions of ideals under ring homomorphisms. Specifically, if $R\subseteq S$ is a ring extension (say polynomial rings over $\mathbb{Q}$ which can be specified in M2) and ...
2
votes
1answer
5k views
Implement a program in Matlab for LU decomposition with pivoting
I need to write a program to solve matrix equations Ax=b where A is an nxn matrix, and b is a vector with n entries using LU decomposition. Unfortunately I'm not allowed to use any prewritten codes in ...
1
vote
1answer
150 views
Scratch Pad software for Windows
I'm looking for software that can serve as a replacement for a physical "scratch pad", on a Windows system with only keyboard and touchpad interfaces. This is intended to facilitate manual ...
0
votes
1answer
65 views
total number of different mixes
Patient Age Avg Visits / Year
<1 year 7.5
1-4 years 3.0
5-14 years 1.8
15-24 years 1.7
25-44 years 2.6
45-64 years ...
0
votes
1answer
59 views
Fitting a model in R, Least squares estimates
$ \Bbb E$(grades) =
$\bigg(\alpha$, teacher='Female',
and,
$\bigg( \alpha+\beta $, teacher='Male'
given that I have loaded up the required data, how should I go about fitting this model in R? Then ...
