计算子午圈半径M 计算卯酉圈半径N 计算玮圈半径r 计算经线弧长Sm 计算纬线弧长Sn 计算球面梯形面积 计算最大角度变形 计算球面极坐标-calculated Meridian circle radius circle conveniently calculated M N calculation Wei radius circle radius r calculated meridian arc Sm calculated latitude arc

编写函数绘制三维球面，允许用户指定球面圆心位置及半径-Write functions made three dimensional spherical, allows users to designated position and radius of the spherical circle

matlab球面拟合程序，可以用来计算最佳拟合的圆心及半径,包含计算的原始数据(Matlab spherical fitting procedures, can be used to calculate the best fitting center of the circle and radius)