Home
Reference Guides
Reference guides are available for functions and commands supported by OML, Tcl, and Python.
Reference Guide for OpenMatrix Language Functions
The Reference Guide contains documentation for all functions supported in the OpenMatrix language.
Time Commands
quarter
Returns the quarter that a given date string, s falls in.

Welcome
What's New
Discover new features and enhancements.
Get Started
Discover Compose, including its language support and system requirements.
Tutorials
The Compose tutorials and associated example model files help introduce you to the basic functionality of the software.
User Guide
Learn about the features and functionality available in Compose.
Reference Guides
Reference guides are available for functions and commands supported by OML, Tcl, and Python.
- Scripting Guide for OpenMatrix Language
  OpenMatrix is a mathematical scripting language.
- Reference Guide for OpenMatrix Language Functions
  The Reference Guide contains documentation for all functions supported in the OpenMatrix language.
  - ABF Commands
  - Altair Integration Commands
  - Audio Commands
  - CAE Commands
  - CAE Reader Commands
  - CAE Reader 3D Commands
  - CAE Writer Commands
  - Calculus Commands
  - Computer Vision Commands
  - Communication Commands
  - Control System Commands
  - Core Minimal Interpreter Commands
  - Data Structure Commands
  - Differential Equations Commands
  - Elementary Math Commands
  - File I/O Commands
  - Geometry Commands
  - GUI Commands
  - HDF5 Reader Commands
  - HDF5 Writer Commands
  - hstpyfit Commands
  - Image Commands
  - JSON Commands
  - Library Manager Commands
  - Linear Algebra Commands
  - Logical Commands
  - Machine Learning Commands
  - Optimization Commands
  - Plotting Commands
  - PSIM Commands
  - Polynomial Math Commands
  - Signal Processing Commands
  - Special Functions Commands
  - Statistical Analysis Commands
  - String Operations Commands
  - System Commands
  - Table Commands
  - Tcl Bridge OML Commands
  - Tcl Bridge Tcl Commands
  - Time Commands
    - clock
      Returns the current date and time.
    - ctime
      Returns time as a string in local time, for the given time, t, in seconds.
    - datenum
      Returns the day and time input as a number of days since January 1, 0000.
    - datestr
      Returns a date as a formatted string.
    - datevec
      Returns the date vector (year, month, day, hour, minute, seconds) for the given date number or string.
    - day
      Returns the day of a given date string, s.
    - hour
      Returns the hours in a given date string, s.
    - minute
      Returns the minutes in a given date string, s.
    - month
      Returns the month of a given date string, s.
    - now
      Returns the number of days from January 1, 0000 and the current time in seconds as a double.
    - quarter
      Returns the quarter that a given date string, s falls in.
    - second
      Returns the seconds in a given string, s.
    - sleep
      Pauses the current execution for n seconds.
    - tic
      Sets an internal clock.
    - time
      Returns current time in seconds from the epoch January 1, 1970.
    - toc
      Calls to toc return the elapsed time since tic was called.
    - weekday
      Returns the day of the week for the given date.
    - year
      Returns the year of a given date string, s.
  - Trigonometry Commands
  - OML to Python Bridge Commands
  - Python to OML Bridge Commands
- Python in Compose Reference Guide
Appendix
Get help for the optional libraries that are available in the Extension Manager.
Frequently Asked Questions
You've got questions? We've got answers!

quarter

Returns the quarter that a given date string, s falls in.

Syntax

R = quarter(s)

R = quarter(s, quarterstart)

Inputs

s: A string representing a date in the format dd-mmm-yyyy.; Type: string
quarterstart: An optional argument that specifies the month in which the first quarter of a year begins. By default, the value for month is 1 (January).; Type: integer

Outputs

R: Number which represents the quarter that the given date, s, is in.; Type: integer

Examples:

Return quarter from a date string with default quarter start:

R = quarter('10-Jun-2019')

R = 5

Return quarter from a date string, with quarter start month specified:

R = quarter('10-Dec-2019', 7)

R = 2

Version History

2024.1