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Explore the Extended Definitions, OML Guides, Block Library, API Guide and Glossary.
Reference Guide for OpenMatrix Language Functions
The Reference Guide contains documentation for all functions supported in the OpenMatrix language.
String Operations Commands

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Model Components
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User's Guide

What's New
Discover new features and enhancements.
Get Started
New to Activate? Learn the basics here.
Tutorials
Start using Activate with our interactive tutorials.
Model Components
Learn about the components in Activate models.
Physical Component Modeling
Learn about modeling physical components.
Hydraulic System Modeling
Learn about modeling hydraulic systems with the Hydraulics (By Fluidon) library.
Electrical System Modeling
Learn about modeling electrical and electronic systems with Modelica and Spice.
Multibody Mechanical System Modeling
Learn about modeling multibody dynamic systems.
Electromagnetic System Modeling
Learn about modeling electromagnetic systems.
Simulation Basics
Learn how to set up, run, and troubleshoot simulations.
Simulation Results
Discover options to review, display, and export results.
Block Libraries
Learn about block libraries for building dynamic system models.
Reference Guides
Explore the Extended Definitions, OML Guides, Block Library, API Guide and Glossary.
- Extended Definitions for Advanced Users
  PDF file with in-depth information on key topics in the User's Guide.
- 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
  - CAE Commands
  - Calculus 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
  - Image Commands
  - Linear Algebra Commands
  - Logical Commands
  - Omlh3d Commands
  - Optimization Commands
  - Plotting Commands
  - Polynomial Math Commands
  - Signal Processing Commands
  - Statistical Analysis Commands
  - String Operations Commands
    - blanks
      Returns a string which consists of n spaces.
    - char
      Returns a string matrix whose elements are the input arguments, vertically concatenated.
    - contains
      Searches for pattern, pat, in the input, src, and returns true if pat is found.
    - deblank
      Trims trailing whitespaces from strings, matrices and cell arrays. For matrices, trailing whitespaces are stripped from each row to the size of the longest string in the matrix, to make the length of each row consistent.
    - func2str
      Returns a string containing the name of the functionf.
    - ischar
      Returns true if the input, s, is a string and false otherwise.
    - isletter
      Returns a boolean, logical matrix or cell array, whose value(s) are true if the corresponding elements of the input are letters and false, if otherwise.
    - isspace
      Returns a boolean, logical matrix or cell array, whose value(s) are true if the corresponding elements of the input are whitespaces and false, if otherwise.
    - isstr
      Returns true if the input, s, is a string and false otherwise.
    - lower
      Returns a string or cell array where each uppercase character of the input string, matrix or cell array is replaced by the corresponding lowercase character. Non-alphabetic characters in the input are not modified.
    - mat2str
      Writes the values of a 2D matrix, m, to a string, R.
    - num2str
      Returns a string or a string array after converting the input x. Input x can be a scalar, complex number, or matrix. An optional argument, precision, can be used to format the output, R, by specifying the number of significant digits. Valid values of R are positive integers.
    - regexp
      Returns the results after searching for the regular expression or pattern, pattern, in the input, s.
    - regexprep
      Returns the result after replacing the regular expression, pat with rep in the input, src.
    - sprintf
      Returns a formatted string, based on the format, strformat specified.
    - sscanf
      Returns result R after reading a formatted string s, specified by template t.
    - str2double
      Returns a scalar, complex number or matrix, R, after converting the input s.
    - str2func
      Returns the function handle corresponding to the input string argument s. If an optional second argument called global is given, only global functions are included in the scope of the lookup.
    - str2mat
      Returns a string matrix, R, whose elements are inputs, s, vertically concatenated. Strings that form the rows R are padded with spaces so that R is valid.
    - str2num
      Returns a scalar, complex number or matrix, R, after converting the input s.
    - strcat
      Concatenates inputs s, ... and returns the result, R, which is of type string or cell array.
    - strcmp
      Performs a case-sensitive comparison of x1 with x2. Returns 1 if the characters compared are identical and 0 otherwise.
    - strcmpi
      Performs a case-insensitive comparison of x1 with x2. Returns 1 if the characters compared are identical and 0 otherwise.
    - strfind
      Searches for all instances of the pattern pat in s. Returns a matrix, R, whose elements are indices of occurrences of pat in s.
    - strip
      Trims leading and trailing characters from strings.
    - strjoin
      Returns a string, R, which is the result of concatenating the elements of the cell array of strings, c, with each element separated by the delimiter delim. Delimiter delim is optional and if no value is specified, whitespace is used.
    - strncmp
      Performs a case-sensitive comparison of the first n characters of x1 with x2. Returns 1 if the characters compared are identical and 0 otherwise.
    - strncmpi
      Performs a case-insensitive comparison of the first n characters of x1 with x2. Returns 1 if the characters compared are identical and 0 otherwise.
    - strrep
      Searches and replaces all instances of the pattern pat in s with the new pattern newpat. The output R will be a string or a cell of strings, based on the type of s.
    - strsplit
      Tokenizes the string s with the given delimiter delim.
    - strtok
      Splits the string s at the given delimiter delim and returns a cell array whose elements are the substrings of string s.
    - strtrim
      Trims leading and trailing whitespaces from strings, matrices and cell arrays. For matrices, leading and trailing whitespaces are stripped from each row to the size of the longest string in the matrix, to make the length of each row consistent.
    - strvcat
      Returns a string matrix whose elements are the input arguments, vertically concatenated.
    - toascii
      Converts every character in the string, s, to its ASCII equivalent.
    - tolower
      Returns a string or cell array where each uppercase character of the input string, matrix or cell array is replaced by the corresponding lowercase character. Non-alphabetic characters in the input are not modified.
    - toupper
      Returns a string or cell array where each lowercase character of the input string, matrix or cell array is replaced by the corresponding uppercase character. Non-alphabetic characters in the input are not modified.
    - upper
      Returns a string or cell array where each lowercase character of the input string, matrix or cell array is replaced by the corresponding uppercase character. Non-alphabetic characters in the input are not modified.
  - System Commands
  - Time Commands
  - Trigonometry Commands
  - OML to Python Bridge Commands
  - Python to OML Bridge Commands
- Block Reference Guide
  Describes all of the blocks in the installed Activate library.
- Glossary
  Key terms associated with the software.
Keyboard Shortcuts
Define shortcuts to common operations.

User's Guide

Home
...
- Reference Guides
  Explore the Extended Definitions, OML Guides, Block Library, API Guide and Glossary.
- Reference Guide for OpenMatrix Language Functions
  The Reference Guide contains documentation for all functions supported in the OpenMatrix language.
String Operations Commands

What's New
Get Started
Tutorials
Model Components
Physical Component Modeling
Hydraulic System Modeling
Electrical System Modeling
Multibody Mechanical System Modeling
Electromagnetic System Modeling
Simulation Basics
Simulation Results
Block Libraries
Reference Guides
Keyboard Shortcuts

Index

ON THIS PAGE

String Operations Commands

blanks
Returns a string which consists of n spaces.
char
Returns a string matrix whose elements are the input arguments, vertically concatenated.
contains
Searches for pattern, pat, in the input, src, and returns true if pat is found.
deblank
Trims trailing whitespaces from strings, matrices and cell arrays. For matrices, trailing whitespaces are stripped from each row to the size of the longest string in the matrix, to make the length of each row consistent.
func2str
Returns a string containing the name of the functionf.
ischar
Returns true if the input, s, is a string and false otherwise.
isletter
Returns a boolean, logical matrix or cell array, whose value(s) are true if the corresponding elements of the input are letters and false, if otherwise.
isspace
Returns a boolean, logical matrix or cell array, whose value(s) are true if the corresponding elements of the input are whitespaces and false, if otherwise.
isstr
Returns true if the input, s, is a string and false otherwise.
lower
Returns a string or cell array where each uppercase character of the input string, matrix or cell array is replaced by the corresponding lowercase character. Non-alphabetic characters in the input are not modified.
mat2str
Writes the values of a 2D matrix, m, to a string, R.
num2str
Returns a string or a string array after converting the input x. Input x can be a scalar, complex number, or matrix. An optional argument, precision, can be used to format the output, R, by specifying the number of significant digits. Valid values of R are positive integers.
regexp
Returns the results after searching for the regular expression or pattern, pattern, in the input, s.
regexprep
Returns the result after replacing the regular expression, pat with rep in the input, src.
sprintf
Returns a formatted string, based on the format, strformat specified.
sscanf
Returns result R after reading a formatted string s, specified by template t.
str2double
Returns a scalar, complex number or matrix, R, after converting the input s.
str2func
Returns the function handle corresponding to the input string argument s. If an optional second argument called global is given, only global functions are included in the scope of the lookup.
str2mat
Returns a string matrix, R, whose elements are inputs, s, vertically concatenated. Strings that form the rows R are padded with spaces so that R is valid.
str2num
Returns a scalar, complex number or matrix, R, after converting the input s.
strcat
Concatenates inputs s, ... and returns the result, R, which is of type string or cell array.
strcmp
Performs a case-sensitive comparison of x1 with x2. Returns 1 if the characters compared are identical and 0 otherwise.
strcmpi
Performs a case-insensitive comparison of x1 with x2. Returns 1 if the characters compared are identical and 0 otherwise.
strfind
Searches for all instances of the pattern pat in s. Returns a matrix, R, whose elements are indices of occurrences of pat in s.
strip
Trims leading and trailing characters from strings.
strjoin
Returns a string, R, which is the result of concatenating the elements of the cell array of strings, c, with each element separated by the delimiter delim. Delimiter delim is optional and if no value is specified, whitespace is used.
strncmp
Performs a case-sensitive comparison of the first n characters of x1 with x2. Returns 1 if the characters compared are identical and 0 otherwise.
strncmpi
Performs a case-insensitive comparison of the first n characters of x1 with x2. Returns 1 if the characters compared are identical and 0 otherwise.
strrep
Searches and replaces all instances of the pattern pat in s with the new pattern newpat. The output R will be a string or a cell of strings, based on the type of s.
strsplit
Tokenizes the string s with the given delimiter delim.
strtok
Splits the string s at the given delimiter delim and returns a cell array whose elements are the substrings of string s.
strtrim
Trims leading and trailing whitespaces from strings, matrices and cell arrays. For matrices, leading and trailing whitespaces are stripped from each row to the size of the longest string in the matrix, to make the length of each row consistent.
strvcat
Returns a string matrix whose elements are the input arguments, vertically concatenated.
toascii
Converts every character in the string, s, to its ASCII equivalent.
tolower
Returns a string or cell array where each uppercase character of the input string, matrix or cell array is replaced by the corresponding lowercase character. Non-alphabetic characters in the input are not modified.
toupper
Returns a string or cell array where each lowercase character of the input string, matrix or cell array is replaced by the corresponding uppercase character. Non-alphabetic characters in the input are not modified.
upper
Returns a string or cell array where each lowercase character of the input string, matrix or cell array is replaced by the corresponding uppercase character. Non-alphabetic characters in the input are not modified.

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