project_reports/week1.md

In benubah/controldev: Development version of Control Toolbox

Day 1 - May 30

Achievements:

Converted tfchk(), nargchk() and abcdchk() from Rlabplus. They are utility functions and are called by other functions. Did R CMD check and build.

Committed resulting code to Github.

Executed:

devtools::install_github("benubah/control")

Successful!

Day 2 - May 31

Achievements:

Coded tf() function - for creating transfer function system models.

Modified poly2str from pracma package to hide coefficients and powers equal to 1. So, instead of 1s^1 we have s.

Coded ss() function - for creating state-space system models.

Coded print.tf() S3 method for printing objects of tf class OCTAVE/MATLAB style.

Coded print.ss() S3 method for printing objects of ss class OCTAVE/MATLAB style.

Configured Build on RStudio to automatially generate NAMESPACE file so that each function is exported .

R CMD check and buildwere successful.

Created documentation with examples for tf() and ss().

Committed resulting code to control repository.

Installation is fine.

devtools::install_github("benubah/control")

The following statement on the command line

> tf(1, c(1,2,1))

Produces:

`Transfer Function: Continuous time model

        1

====================

 s^2 + 2 s + 1

`

Day 3 - June 1

Coding done for ss() and zpk - including documentations R CMD check and buildwere successful.

Day 4 - June 2

Reviews completed

benubah/controldev documentation built on May 20, 2019, 5:09 p.m.