matlab函数英文说明(4)
时间:2025-07-10
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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