Users' questions

What is a feval method?

What is a feval method?

Feval function is used to evaluate the function output of a function by using the arguments passed inside a single parenthesis input. It accepts the function name passed as a “string”, as its first argument.

What is MATLAB feval?

Function to evaluate, specified as a function name or a handle to a function. The function accepts M input arguments, and returns N output arguments. Invoking feval with a function handle is equivalent to invoking the function handle directly.

How do you inline in MATLAB?

f = inline( expr , arg1,arg2,…,argN ) constructs an inline function whose input arguments are specified by arg1,arg2,…,argN . Multicharacter symbol names may be used. f = inline( expr , N ) , where N is a scalar, constructs an inline function whose input arguments are x and P1,P2,…,PN .

How do you evaluate a function handle?

To create a function handle, use the @ operator. For example, create a handle to an anonymous function that evaluates the expression x2 – y2: f = @(x,y) (x. ^2 – y….Functions.

function_handle Handle to function
feval Evaluate function
func2str Construct character vector from function handle

What is octave feval?

The feval function allows you to call a function from a string containing its name. This is useful when writing a function that needs to call user-supplied functions. The feval function takes the name of the function to call as its first argument, and the remaining arguments are given to the function.

What is feval command in Scilab?

z=feval(x,y,f) returns the matrix z such as z(i,j)=f(x(i),y(j)) f is an external (function or routine) accepting on one or two arguments which are supposed to be real. The result returned by f can be real or complex.

What is an inline command?

The inline command lets you create a function of any number of variables by giving a string containing the function followed by a series of strings denoting the order of the input variables.

What can I use instead of inline in MATLAB?

Firstly, Matlab help files say that ‘inline’ function will be removed in future revisions. So, you better stick with the anonymous functions.

How do you call an Octave script?

To run your Octave file in GNU Octave.

  1. navigate to editor tab at the bottom of command editor.
  2. Press Ctrl+O or Go to file and open your file.
  3. Pres F5 or Navigate to Run and Save and Run.

What is surf in Scilab?

Description. surf draws a colored parametric surface using a grid whose nodes coordinates are defined by X and Y . At each node of this grid, a Z coordinate is given using the Z matrix. surf has been created to better handle Matlab syntax.

How do you write a loop in Scilab?

According to the Code Conventions for the Scilab Programming Language it is recommended:

  1. Start each statement on a new line.
  2. Write no more than one simple statement per line.
  3. Break compound statements over multiple lines.