matlab函数英文说明(4)

时间:2025-07-10

magic - Magic square

This MATLAB function returns an n-by-n matrix constructed from the integers 1

through n^2 with equal row and column sums.

ginput - Graphical input from mouse or cursor

This MATLAB function enables you to identify n points from the current axes and

returns their x- and y-coordinates in the x and y column vectors.

uiimport - Import data interactively

This MATLAB function opens a dialog to interactively load data from a file or

the clipboard.

dot - Dot product

This MATLAB function returns the scalar dot product of A and B.

cross - Cross product

This MATLAB function returns the cross product of A and B.

text - Create text object in current axes

This MATLAB function adds the string in quotes to the location specified by the

point (x,y) x and y must be numbers of class double.

nan - Not-a-Number

This MATLAB function returns the IEEE arithmetic representation for Not-a-Number

(NaN).

subplot - Create axes in tiled positions

This MATLAB function divides the current figure into an m-by-n grid and creates

an axes for a subplot in the position specified by p.

legend - Add legend to graph

This MATLAB function creates a legend in the current axes using the specified

strings to label each set of data.

clock - Current date and time as date vector

This MATLAB function returns a six-element date vector containing the current

date and time in decimal form:

date - Current date string

This MATLAB function returns a string containing the date in the format,

day-month-year, for example, 01-Jan-2014.

isreal - Determine if array is real

This MATLAB function returns logical 1 (true) if A does not have an imaginary

part.

zeros - Create array of all zeros

This MATLAB function returns the scalar 0.

sinh - Hyperbolic sine of argument in radians

This MATLAB function returns the hyperbolic sine of the elements of X.

pause - Halt execution temporarily

This MATLAB function, by itself, causes the currently executing function to stop

and wait for you to press any key before continuing.

sum - Sum of array elements

This MATLAB function returns the sum of the elements of A along the first array dimension whose size does not equal 1:

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