MATLAB Function Reference

Explore MATLAB-compatible builtins (functions) implemented in RunMat. Search by name, category, or keywords.

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Array

Sort scalars, vectors, matrices, or N-D tensors along a dimension, with optional index outputs.

Sort matrix rows lexicographically with optional column and direction control.

Return the unique elements or rows of arrays with optional index outputs.

Identify array elements or rows that appear in another array while returning first-match indices.

Rearrange the dimensions of an array without changing its data.

Remove singleton dimensions while preserving MATLAB row/column semantics.

Reorder the dimensions of arrays, tensors, logical masks, and gpuArray values.

Concatenate arrays along a specified dimension while preserving MATLAB semantics.

Concatenate inputs horizontally (dimension 2) just like MATLAB square brackets.

Concatenate inputs vertically (dimension 1) just like MATLAB semicolons.

Create arrays filled with zeros.

Create arrays filled with ones.

Identity matrix or N-D identity tensor.

Cells Core

Create empty MATLAB cell arrays.

Convert a cell array of numeric, logical, complex, or character blocks into a dense MATLAB array.

Apply a function to the contents of each cell array element.

Convert text to a cell array of character vectors.

Split arrays into cell-array blocks.

Containers Map

Create MATLAB-style dictionary objects that map keys to values.

I/O

Import numeric data from delimited text files into a RunMat matrix.

Write numeric or string matrices to delimited text files with MATLAB-compatible defaults.

Open a file and obtain a MATLAB-compatible file identifier.

Close one file, multiple files, or all files opened with fopen.

Read binary data from a file identifier.

Write binary data to a file identifier.

Write formatted text to files or standard streams.

Load variables from a MAT-file.

Persist workspace variables to a MAT-file.

Accept a pending client connection on a TCP server.

Add folders to the MATLAB search path used by RunMat.

Change the current working folder or query the folder that RunMat is executing in.

Close TCP clients or servers created by tcpclient, tcpserver, or accept.

Math

Absolute value or magnitude of scalars, vectors, matrices, or N-D tensors.

Element-wise square root of scalars, vectors, matrices, or N-D tensors.

Element-wise exponential of scalars, vectors, matrices, or N-D tensors.

Natural logarithm of scalars, vectors, matrices, or N-D tensors.

Sine of scalars, vectors, matrices, or N-D tensors (element-wise).

Cosine of scalars, vectors, matrices, or N-D tensors (element-wise).

Tangent of scalars, vectors, matrices, or N-D tensors (element-wise).

Element-wise inverse sine with MATLAB-compatible complex promotion.

Element-wise inverse cosine with MATLAB-compatible complex promotion.

Arctangent of scalars, vectors, matrices, or N-D tensors (element-wise).

Sum elements of scalars, vectors, matrices, or N-D tensors.

Average elements of scalars, vectors, matrices, or N-D tensors.

Standard deviation of scalars, vectors, matrices, or N-D tensors.

Logical

Element-wise logical AND for scalars, arrays, and gpuArray values.

Element-wise logical OR for scalars, arrays, and gpuArray values.

Element-wise logical XOR for scalars, arrays, and gpuArray values.

Element-wise logical negation for scalars, arrays, and gpuArray values.

Element-wise equality comparison for scalars, arrays, and gpuArray inputs.

Element-wise inequality comparison for scalars, arrays, and gpuArray inputs.

Element-wise less-than comparison for scalars, arrays, and gpuArray inputs.

Element-wise less-than-or-equal comparison for scalars, arrays, and gpuArray inputs.

Element-wise greater-than comparison for scalars, arrays, and gpuArray inputs.

Element-wise greater-than-or-equal comparison for scalars, arrays, and gpuArray inputs.

Return a logical mask indicating which elements of the input are finite.

Return a logical mask indicating which elements of the input are ±Inf.

Return true when a value uses logical storage.

Stats

Compute Pearson correlation coefficients for the columns of matrices or paired data sets.

Compute covariance matrices for vectors, matrices, or paired data sets.

Count observations in numeric arrays using configurable histogram bins.

Count paired observations into two-dimensional histogram bins.

Seed, shuffle, and query the global random number generator.

Strings

Convert numeric codes, strings, and cell contents into a character array.

Format values into MATLAB string arrays using printf-style placeholders.

Return logical values indicating whether text inputs contain specific patterns.

Return logical values indicating whether text inputs end with specific patterns.

Remove substring occurrences from strings, character arrays, and cell arrays.

Delete text between boundary markers with MATLAB-compatible semantics.

Extract substrings between boundary markers using MATLAB-compatible semantics.

Combine text across a specified dimension inserting delimiters between elements.

Convert strings, character arrays, and cell arrays of character vectors to lowercase.

Format numeric scalars, vectors, and matrices as character arrays.

Pad strings, character arrays, and cell arrays to a target length.

Regular expression matching with MATLAB-compatible outputs.

Case-insensitive regular expression matching with MATLAB-compatible outputs.

Structs Core

Create scalar structs or struct arrays from name/value pairs.

List the field names of scalar structs or struct arrays.

Access a field or property from structs, struct arrays, or MATLAB-style objects.

Assign into struct fields, struct arrays, or MATLAB-style object properties.

Test whether a struct or struct array defines specific field names.

Reorder structure field definitions alphabetically or using a supplied order.

Remove one or more fields from scalar structs or struct arrays.

Image Filters

Apply a 2-D correlation or convolution with MATLAB-compatible sizing.

Generate classical 2-D correlation kernels used in MATLAB image processing workflows.

Apply linear filters with MATLAB-compatible padding semantics.

Acceleration GPU

Apply a function element-wise to array inputs.

Bring gpuArray data back to host memory.

Move data to the GPU and return a gpuArray handle.

Return information about the active GPU device/provider.

Return a formatted status string that describes the active GPU provider.

Apply MATLAB operators page-by-page across higher-dimensional arrays.

General

Runtime builtin function

Runtime builtin function

Runtime builtin function

Runtime builtin function

Runtime builtin function

containers.Map.isKey

Runtime builtin function

containers.Map.keys

Runtime builtin function

containers.Map.remove

Runtime builtin function

containers.Map.subsasgn

Runtime builtin function

containers.Map.subsref

Runtime builtin function

containers.Map.values

Runtime builtin function

Runtime builtin function

Runtime builtin function

Introspection

Return the MATLAB class name for scalars, arrays, and objects.

Test whether a value belongs to a specified MATLAB class or abstract category.

Identify which variable, builtin, script, class, or folder RunMat will execute for a given name.

Return true when a value is a MATLAB character array.

Return true when a value is a MATLAB string array.

List the names of variables in the workspace or MAT-files (MATLAB-compatible).

List variables in the workspace or MAT-files with MATLAB-compatible metadata.

Diagnostics

Throw a MATLAB-style error when a logical or numeric condition evaluates to false.

Throw an exception with an identifier and a formatted diagnostic message.

Display formatted warnings, control warning state, and query per-identifier settings.

Timing

Start a stopwatch timer and optionally return a handle for toc.

Read the elapsed time since the most recent tic or an explicit handle.

Suspend execution until a key press or specified duration.

Measure the execution time of a zero-argument function handle.