# How do you draw a parabolic curve in AutoCAD?

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## How do you draw a parabolic curve in AutoCAD?

Click Home tab Draw panel Best Fit drop-down Create Best Fit Parabola Find. In the Parabola By Best Fit dialog box, select By Clicking On The Screen. Select a starting point and at least two other points. Note: You may use OSNAP or transparent commands to select points.

What is parabola equation?

The general equation of a parabola is: y = a(x-h)2 + k or x = a(y-k)2 +h, where (h,k) denotes the vertex. The standard equation of a regular parabola is y2 = 4ax.

How do you smooth curves in AutoCAD?

Type OPTIONS on the command line. On Document Settings > 2D Display resolution section, increase the value of the Arc & circle smoothness….Set the VIEWRES variable:

1. On the command line in AutoCAD, enter VIEWRES.
2. Select Yes or No for fast zooms.
3. Choose a larger value than the one currently set.

### How do you write a parabolic equation?

Parabola Equation The general equation of a parabola is: y = a(x-h)2 + k or x = a(y-k)2 +h, where (h,k) denotes the vertex. The standard equation of a regular parabola is y2 = 4ax.

Is there a way to draw a parabola in AutoCAD?

There are several ways to draw parabolas in AutoCAD, some directly and others involving customization. Try some of the approaches described in these forum threads and articles: How to make a parabola using a lisp routine?

How to draw a parabola using AutoLISP routine?

Here is one way to draw a parabola using a AutoLISP routine. The routine prompts you three points the parabola is to pass through, and the number of lines to draw (for controlling the resolution) computes the coefficients of the parabola, and draws polylines from the left most point to the right most

#### How to create a parabola by best fit?

In the Parabola By Best Fit dialog box, select By Clicking On The Screen. Select a starting point and at least two other points. Note: You may use OSNAP or transparent commands to select points. As you select points in the drawing window, a white X marks each regression point and a temporary, dashed parabola is displayed in real time.

How to get the coordinates from Excel to AutoCAD?

Another way to get the points coordinates from Excel to AutoCAD is to just copy and paste. In AutoCAD start the “pline” command, copy the range with x,y points from Excel, paste into AutoCAD’s command line. You may need an “enter” to end the command.