[ Prev | Index | Next ]  Please download on PC (not smartphone) and extract the ZIP file. Then double-click VCSSL.bat (batch file) to execute for Microsoft® Windows®, or execute VCSSL.jar (JAR file) on the command line for Linux® and other OSes.
For details, see How to Use.

# 2D Graph Tool for Plotting Expressions of the Form of "y = f(x)"

This VCSSL program is a simple tool which plots the expression (formula) of the form of "y = f(x)" to the 2D graph.

- Index -

## How to Use

### Execute this Program

Next, open the extracted folder and execute this VCSSL program.

#### For Microsoft® Windows®

Double-click the batch file "VCSSL.bat" to execute.

#### For Linux®, etc.

Execute "VCSSL.jar" on the command-line terminal as follows:

cd <extracted_folder>
java -jar VCSSL.jar

### How to Use After Executing the Program

#### Windows and UI

The following two-windows will be launched. The left one is the input-window, and the right one is the graph-window. #### Input an Expression to Plot

At first, please input an expression you want to plot into the text field labeled with "y(x) =" at the top of the input-window. There are some points to write the expression:

• Use small character for "x".
• Arithmetic operations such as "+" and "-" are available. However, some symbols of operators are different with handwriting expressions. Use "*" for multiplication, and use "/" for division.
• Multiplication and division are prior in calculation order than addition and subtraction.
• You can mathmatical functions such as "sin" and "cos" in the expression. The value of circle ratio is available as "PI" (capital character).
• The exponentiation operator is "**". For example, x2 should be written as "x**2" in the expression.

#### Plot a Graph

After inputting the expression, please click "PLOT" button at the middle of the input-window, and the expression will be plot to the 2D graph.

The graph will be drawn as a lines-and-points* graph of "x-N" nodes. You can modify the value of "x-N" on the input-window. Larger value of "x-N" makes graph more smooth.

* If you plot lines-only graph, please see Other Features.

#### Plot new Expressions over the Current Graph

If you want to plot other expressions over the current graph, simply modify the expression of "y(x) =" text-field, and click again "PLOT" button. The new expression will be plotted over the current graph by using a different color.

#### Clear All Contents of the Current Graph

If you want to clear all contents of the current graph, please click "CLEAR" button at middle of the input-window.

#### Other Features

With the default settings, the graph will be plotted as a lines-and-points graph. If you want to plot a lines-only graph, please disable the checkbox of "With Points" from the "Option" menu at the top of the graph-window. In addition, if you want to change the width of lines, please disable and re-enable "With Lines" option, and you will be asked the line width.

You can modify other settings from "Edit" menu at the top of the graph-window, e.g. X & Y ranges of the graph, labels of X & Y axes, legends for each lines of the graph, etc.

You also can save settings and save the image of the current graph, from "File" menu at the top of the graph-window.

RINEARN Graph 2D
The 2D graph software "RINEARN Graph 2D" is used as the graph-window of this program. If you like UI and operability of the graph-window of this program, please try to use RINEARN Graph 2D for your data-analysis use.
» More Details

## Code

This code is written in VCSSL.  3D Graph Plotting Tool for Animating Data Loaded from Multiple Files A simple tool which plots 3D animation graphs by loading multiple data files. 2D Graph Plotting Tool for Animating Data Loaded from Multiple Files A simple tool which plots 2D animation graphs by loading multiple data files. 3D Graph Tool for Plotting & Animating Expressions of the Form of "z = f(x,y,t)" A simple tool which plots the expression (formula) of the form of "z = f(x,y,t)" to the 3D graph, and plays it as animation. 2D Graph Tool for Plotting & Animating Expressions of the Form of "y = f(x,t)" A simple tool which plots the expression (formula) of the form of "y = f(x,t)" to the 2D graph, and plays it as animation. 3D Graph Tool for Plotting & Animating Parametric Expressions of the Form of x(t), y(t), z(t) A simple tool which plots parametric expressions (formulas) of the form of x(t), y(t), z(t) to the 3D graph, and plays it as animation. 2D Graph Tool for Plotting & Animating Parametric Expressions of the Form of x(t) and y(t) A simple tool which plots parametric expressions (formulas) of the form of x(t) and y(t) to the 2D graph, and plays it as animation. 3D Graph Tool for Plotting Expressions of the Form of "z = f(x,y)" A simple tool which plots the expression (formula) of the form of "z = f(x,y)" to the 3D graph. 2D Graph Tool for Plotting Expressions of the Form of "y = f(x)" A simple tool which plots the expression (formula) of the form of "y = f(x)" to the 2D graph.
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