fplot('asin(sin(x))',[-4*pi,4*pi])
grid on
axis equal
fplot('asin(x)',[-4*pi,4*pi])
Warning: Imaginary parts of complex X and/or Y arguments ignored
> In <a href="error:C:\Program Files\MATLAB\R2006a\toolbox\matlab\specgraph\fplot.m,153,1">fplot at 153</a>
fplot('asin(x)',[-pi/2,pi/2])
Warning: Imaginary parts of complex X and/or Y arguments ignored
> In <a href="error:C:\Program Files\MATLAB\R2006a\toolbox\matlab\specgraph\fplot.m,153,1">fplot at 153</a>
fplot('asin(x)',[-1,1])
x=linspace(-1,1,10)
x =
  Columns 1 through 8 
   -1.0000   -0.7778   -0.5556   -0.3333   -0.1111    0.1111    0.3333    0.5556
  Columns 9 through 10 
    0.7778    1.0000
x=linspace(-1,1,21)
x =
  Columns 1 through 8 
   -1.0000   -0.9000   -0.8000   -0.7000   -0.6000   -0.5000   -0.4000   -0.3000
  Columns 9 through 16 
   -0.2000   -0.1000         0    0.1000    0.2000    0.3000    0.4000    0.5000
  Columns 17 through 21 
    0.6000    0.7000    0.8000    0.9000    1.0000
y=asin(x)
y =
  Columns 1 through 8 
   -1.5708   -1.1198   -0.9273   -0.7754   -0.6435   -0.5236   -0.4115   -0.3047
  Columns 9 through 16 
   -0.2014   -0.1002         0    0.1002    0.2014    0.3047    0.4115    0.5236
  Columns 17 through 21 
    0.6435    0.7754    0.9273    1.1198    1.5708
plot(x,y)
grid on
fplot('(1/2)^abs(x)',[-pi/2,pi/2])
fplot('log(abs(x))',[-pi/2,pi/2])
grid on
fplot('abs(log(x))',[-pi/2,pi/2])
fplot('abs(log(x))',[eps,pi])
fplot('(2*asin(x/3))',[-pi,pi])
Warning: Imaginary parts of complex X and/or Y arguments ignored
> In <a href="error:C:\Program Files\MATLAB\R2006a\toolbox\matlab\specgraph\fplot.m,153,1">fplot at 153</a>
grid on
fplot('(2*asin(x/3)),sin(x)',[-pi,pi])
??? Error using ==> inlineeval
Error in inline expression ==> (2*asin(x/3)),sin(x)
??? Error: Unexpected MATLAB expression.

Error in ==> <a href="error:C:\Program Files\MATLAB\R2006a\toolbox\matlab\funfun\@inline\feval.m,34,1">inline.feval at 34</a>
        INLINE_OUT_ = inlineeval(INLINE_INPUTS_, INLINE_OBJ_.inputExpr, INLINE_OBJ_.expr);

Error in ==> <a href="error:C:\Program Files\MATLAB\R2006a\toolbox\matlab\specgraph\fplot.m,102,1">fplot at 102</a>
x = xmin; y = feval(fun,x,args{4:end});

fplot('[(2*asin(x/3)),sin(x)]',[-pi,pi])
Warning: Imaginary parts of complex X and/or Y arguments ignored
> In <a href="error:C:\Program Files\MATLAB\R2006a\toolbox\matlab\specgraph\fplot.m,153,1">fplot at 153</a>
grid on
fplot('atg(x+1)',[-pi,pi])
??? Error using ==> inlineeval
Error in inline expression ==> atg(x+1)
??? Error using ==> eval
Undefined command/function 'atg'.

Error in ==> <a href="error:C:\Program Files\MATLAB\R2006a\toolbox\matlab\funfun\@inline\feval.m,34,1">inline.feval at 34</a>
        INLINE_OUT_ = inlineeval(INLINE_INPUTS_, INLINE_OBJ_.inputExpr, INLINE_OBJ_.expr);

Error in ==> <a href="error:C:\Program Files\MATLAB\R2006a\toolbox\matlab\specgraph\fplot.m,102,1">fplot at 102</a>
x = xmin; y = feval(fun,x,args{4:end});

fplot('atan(x+1)',[-pi,pi])
grid on
fplot('(1/(1-x))',[-pi,pi])
diary off