Contents

Index

• Getting Started

• User Guide

• Functions

• Desktop Tools and Development Environment

• Data Import and Export

• Mathematics

• Data Analysis

• Programming and Data Types

• Data Types

• Data Type Conversion

• Operators and Special Characters

• Strings

• Bit-Wise Operations

• Logical Operations

• Relational Operations

• Set Operations

• Date and Time Operations

• Programming in MATLAB

• M-Files and Scripts

• Evaluation

• Timer

• Variables and Functions in Memory

• Control Flow

• Error Handling

• MEX Programming

• Object-Oriented Programming

• Graphics

• 3-D Visualization

• GUI Development

• External Interfaces

• Examples

• Release Notes

Learn more about MATLAB

mlock - Prevent clearing M-file or MEX-file from memory

Syntax

mlock

Description

mlock locks the currently running M-file or MEX-file in memory so that subsequent clear functions do not remove it.

Use the munlock function to return the file to its normal, clearable state.

Locking an M-file or MEX-file in memory also prevents any persistent variables defined in the file from getting reinitialized.

Examples

The function testfun begins with an mlock statement.

function testfun
mlock
  .
  .

When you execute this function, it becomes locked in memory. You can check this using the mislocked function.

testfun

mislocked('testfun')
ans =
     1

Using munlock, you unlock the testfun function in memory. Checking its status with mislocked shows that it is indeed unlocked at this point.

munlock('testfun')

mislocked('testfun')
ans =
     0

mlock - Prevent clearing M-file or MEX-file from memory

Syntax

Description

Examples

See Also

Recommended Products