convert sin to cos

Note: This blog post all source code is:Git Repo.1. Source code is written in Ubuntu14.04 + Indigo environment. First, the transformation matrixAfter a blog introduction, we've got Rob an arm of the d-h parameter table, as shown in the table above,

1. Coordinate system:Flash coordinate system and mathematical coordinate system: the X axis is the same, and the y axis is the opposite.[Mathematical coordinate system][Coordinate system in Flash]2. Conversion between Angle and Radian:(1) radians:

Name Abs Category Mathematical functions Prototype Abs (number) Parameters Must be selected. The number argument is a valid numeric expression of any type "Return value" Type of same number "Exception/Error" No Description Returns the absolute value

Introduction to the formula of sin function Grammar: SIN (number) Number is the angle, in radians, that requires a sine. Note: If the unit of the parameter is degrees, you can multiply PI ()/180 or use the RADIANS function to convert it to

Recently, I learned about Android Image Processing in the system (I collected some information on the Internet and compiled my own testing program.) Here I will summarize: I. colormatrix class Colormatrix is a 5x4 matrix. The first line indicates

CREATE DEFINER=`root`@`%` FUNCTION `f_getdistance`(in_from_x decimal(10,3), in_from_y decimal(10,3),in_to_x decimal(10,3),in_to_y decimal(10,3)) RETURNS decimal(20,10)BEGINdeclare line LineString;#select CONCAT('LineString(',in_from_x,' ',in_from_y,'

Name Abs Category Mathematical functions Prototype Abs (number) Parameters Must be selected. The number argument is a valid numeric expression of any type "Return value" Type of same number "Exception/Error" No Description Returns the

What is coordinate rotation? For example, after the (blue) Ball rotates a angle around a center point and reaches the position of the (red) Ball, the coordinates of the relative center of the red ball are: X1 = DX * Cos (a)-dy * sin () Y1 =

Classical Algorithm Research series: Ten, from beginning to end thoroughly understand the Fourier transform algorithm, the next Author: July, Dznlong February 22, 2011 Recommended reading: Thescientist and Engineer ' s Guide to Digital Signal

Gnuplot tips from http://hi.baidu.com/tsuihan/blog/item/eca435a8e386b4b0ca130c7b.html Usage tips of gnuplot 1. Output Format Gnuplot> set terminal X11 % output to the screen (Linux) Gnuplot> set terminal postscript portrait noenhanced monochrome