## Alec Mihailovs

Dr. Aleksandrs Mihailovs

## 4470 Reputation

19 years, 297 days
Mihailovs, Inc.
Owner, President, and CEO
Tyngsboro, Massachusetts, United States

## Social Networks and Content at Maplesoft.com

I received my Ph.D. from the University of Pennsylvania in 1998 and I have been teaching since then at SUNY Oneonta for 1 year, at Shepherd University for 5 years, at Tennessee Tech for 2 years, at Lane College for 1 year, and this year I taught at the University of Massachusetts Lowell. My research interests include Representation Theory and Combinatorics.

## Maplesoft sale statistics...

Here is some statistics from the Cybernet Systems press release.

Overview of Maple

CEO - C. James Cooper
Number of employees - 122
Capital - 2.75 million dollars
Main shareholders - Keith O. Geddes (22%), C. James Cooper (19.8%)

Business results of past 3 years (in US dollars)

## eval with rcurry...

eval is having 2 arguments, so how to apply it to expression sequences?

```eval(x=1,x=2,x=y);
Error, invalid input:
eval expects 1 or 2 arguments, but received 3
```

The usual approach is to convert an expression sequence to a list, apply eval, and then either use op, or [] at the end to convert it back to an expression sentence. Something like

```eval([x=1,x=2],x=y)[];

y = 1, y = 2
```

or use quotting,

## Double braces for sets...

The NullSpace help page in online help uses {{...}} for sets instead of {...}. I didn't check other pages with help examples containing sets.