Fplot Vs Ezplot
Fplot Ezplot
Ezplot Plot

MATLAB Function Reference

Ezplot (funx,funy, tmin,tmax) plots funx (t) and funy (t) over tmin ezplot (.,fig) plots into the figure window identified by fig. Use any of the input argument combinations in the previous syntaxes that include a domain. The domain options are xmin xmax, xymin xymax, xmin xmax ymin ymax, and tmin tmax. 而ezplot是画出隐函数图形，是形如f(x,y)=0这种不能写出像y=f(x)这种函数的图形简单来说，两者都是图形绘制函数，所不同的是，plot针对任意变量x和y都可以绘制，而fplot则需要实现定义函数，用function命令定义函数，然后再fplot命令中引用函数的名字。.

fplot

Plot a function between specified limits

Syntax

Description

fplot plots a function between specified limits. The function must be of the form y = f(x), where x is a vector whose range specifies the limits, and y is a vector the same size as x and contains the function's value at the points in x (see the first example). If the function returns more than one value for a given x, then y is a matrix whose columns contain each component of f(x) (see the second example).

fplot('function',limits)plots 'function' between the limits specified by limits. limits is a vector specifying the x-axis limits ([xminxmax]), or the x- and y-axis limits, ([xminxmaxyminymax]).

'function' must be the name of an M-file function or a string with variable x that may be passed to eval, such as 'sin(x)', 'diric(x,10)' or '[sin(x),cos(x)]'.

The function f(x) must return a row vector for each element of vector x. For example, if f(x) returns [f1(x),f2(x),f3(x)] then for input [x1;x2] the function should return the matrix

fplot('function',limits,LineSpec)plots 'function' using the line specification LineSpec.

fplot('function',limits,tol)plots 'function' using the relative error tolerance tol (The default is 2e-3, i.e., 0.2 percent accuracy).

fplot('function',limits,tol,LineSpec)plots 'function' using the relative error tolerance tol and a line specification that determines line type, marker symbol, and color.

fplot('function',limits,n)with n >= 1 plots the function with a minimum of n+1 points. The default n is 1. The maximum step size is restricted to be (1/n)*(xmax-xmin).

fplot(fun,lims,..) accepts combinations of the optional arguments tol, n, and LineSpec, in any order.

[X,Y] = fplot('function',limits,..)returns the abscissas and ordinates for 'function' in X and Y. No plot is drawn on the screen, however you can plot the function using plot(X,Y).

Scr888 online casino malaysia. [..] = plot('function',limits,tol,n,LineSpec,P1,P2,..)enables you to pass parameters P1, P2, etc. directly to the function 'function':

To use default values for tol, n, or LineSpec, you can pass in the empty matrix ([]).

Remarks

Jogar poker online gratis agora. fplot uses adaptive step control to produce a representative graph, concentrating its evaluation in regions where the function's rate of change is the greatest.

Examples

Plot the hyperbolic tangent function from -2 to 2:

Create an M-file, myfun, that returns a two column matrix:

Plot the function with the statement:

Addition Examples

See Also

eval, ezplot, feval, LineSpec, plot

Function Plots for related functions

Fplot Vs Ezplot

format

fprintf

`f` — Input
symbolic expression | symbolic equation | symbolic function

`[min,max]` — Numbers specifying the plotting range
`[-2pi,2pi]` (default) | vector | symbolic vector

Numbers specifying the plotting range, specified as a vector of length 2. For a univariate expression or function, the plotting range applies to that variable. For an equation or function of two variables, the plotting range applies to both variables. In this case, the range is the same for the abscissa and the ordinate.

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`[xmin,xmax,ymin,ymax]` — Numbers specifying the plotting range
`[-2pi,2pi,-2pi,2pi]` (default) | vector | symbolic vector

Numbers specifying the plotting range, specified as a numeric or symbolic vector along the abscissa (first two numbers) and the ordinate (last two numbers).

Figure specified as a figure handle or figure window where you want to display a plot. For figure handle, the current figure handle returned by gcf. For figure number, if no plot windows are open, then 1. If one plot window is open, then the number in the title of that window. If more than one plot window is open, then the highest number in the titles of open windows.

`x,y` — Parametric curve
symbolic expression | symbolic function

Parametric curve specified as symbolic expressions or functions x = x(t) and y = y(t)

Fplot Ezplot