ABSTRACT
Elementary matrices and matrix manipulation 104
Matrix functions-numerical linear algebra 110
GDWDIXQ Data analysis and Fourier transforms 112
Function functions and ODE solvers 116
15.1 General KHOSJHQHUDO
General information KHOSEURZVHU Bring up the help browser
GRF Complete online help, displayed in the help browser (KHOSGHVNin Version 6.0)
KHOS M-file help, displayed in the Command window
KHOSZLQ M-file help, displayed in the help browser
Open MathWorks technical support web page
MATLAB, Simulink, and toolbox version information
Clear variables and functions from memory
Create pre-parsed pseudo-code file (Pfile)
Import Java packages into the current scope
Control paged output in Command window
Operating system commands FG Change current working directory FRS\ILOH Copy a file SZG Show (print) current working directory GLU List directory GHOHWH Delete file
Operating system commands (continued) JHWHQY Get environment variable PNGLU Make directory Execute operating system command GRV Execute DOS command and return result XQL[ Execute Unix command and return result V\VWHP
Execute system command and return result
True for the Windows version of MATLAB
Debugging M-files GHEXJ List debugging commands GEVWRS Set breakpoint GEFOHDU Remove breakpoint GEFRQW Continue execution GEGRZQ Change local workspace context GEVWDFN Display function call stack GEVWDWXV List all breakpoints GEVWHS Execute one or more lines GEW\SH List M-file with line numbers GEXS Change local workspace context GETXLW Quit debug mode GEPH[ Debug MEX-files (Unix only)
Profiling M-files SURILOH Profile function execution time SURIUHSRUW Generate profile report
Locate dependent directories of an Mfile
15.2 Operators and special characters KHOSRSV
Bitwise operators ELWDQG Bit-wise AND ELWFPS Complement bits ELWRU Bit-wise OR ELWPD[ Maximum floating-point integer ELW[RU Bit-wise EXCLUSIVE OR ELWVHW Set bit ELWJHW Get bit ELWVKLIW Bit-wise shift
Set operators XQLRQ Set union XQLTXH Set unique LQWHUVHFW Set intersection VHWGLII Set difference VHW[RU Set exclusive-or LVPHPEHU True for set member
15.3 Programming language constructs KHOSODQJ
Terminate scope of IRU, ZKLOH, VZLWFK, WU\ and LI statements
IRU Repeat statements a specific number of times
ZKLOH Repeat statements an indefinite number of times
EUHDN Terminate execution of ZKLOH or IRU loop
Pass control to the next iteration of IRU or ZKLOH loop
VZLWFK Switch among several cases based on expression
Execute string with MATLAB expression
HYDOF Evaluate MATLAB expression with capture
Execute built-in function from overloaded method
Check if variables or functions are defined
Scripts, functions, and variables (cont.) PXQORFN Allow M-file to be cleared PLVORFNHG True if M-file cannot be cleared SUHFHGHQFH Operator precedence in MATLAB LVYDUQDPH Check for a valid variable name LVNH\ZRUG Check if input is a keyword
Argument handling QDUJFKN Validate number of input arguments QDUJRXWFKN Validate number of output arguments QDUJLQ Number of function input arguments QDUJRXW Number of function output arguments YDUDUJLQ Variable length input argument list YDUDUJRXW Variable length output argument list LQSXWQDPH Input argument name
Message display HUURU Display error message and abort function ZDUQLQJ Display warning message ODVWHUU Last error message ODVWZDUQ Last warning message GLVS Display an array GLVSOD\ Overloaded function to display an array ISULQWI Display formatted message VSULQWI Write formatted data to a string
Interactive input LQSXW Prompt for user input NH\ERDUG Invoke keyboard from M-file SDXVH Wait for user response XLPHQX Create user interface menu XLFRQWURO Create user interface control
Frequency spacing for frequency response
Regularly spaced vector and index into matrix
Basic array information VL]H Size of matrix OHQJWK Length of vector QGLPV Number of dimensions QXPHO Number of elements GLVS Display matrix or text LVHPSW\ True for empty matrix LVHTXDO True if arrays are identical LVQXPHULF True for numeric arrays LVORJLFDO True for logical array ORJLFDO Convert numeric values to logical
Matrix manipulation UHVKDSH Change size GLDJ Diagonal matrices; diagonals of matrix EONGLDJ Block diagonal concatenation WULO Extract lower triangular part WULX Extract upper triangular part IOLSOU Flip matrix in left/right direction IOLSXG Flip matrix in up/down direction IOLSGLP Flip matrix along specified dimension URW Rotate matrix 90 degrees
Regularly spaced vector and index into matrix
Special variables and constants DQV Most recent answer HSV Floating-point relative accuracy UHDOPD[ Largest positive floating-point number UHDOPLQ Smallest positive floating-point number SL ...
