kiba1215 / coordinateaxischart Goto Github PK
View Code? Open in Web Editor NEWA simple Math coordinate system on Android. 绘制坐标轴 函数图像
License: Apache License 2.0
coordinateaxischart's Issues
关于幂函数的指数不是整数时图像不显示问题
当幂函数的指数不是整数时，图像是出不来的，比如 y = x^2.1 ,这是因为Math.pow(a,b);这个函数不支持 a<0且b不是整数的情况，此种情况会导致 domain error 错误。而程序会生成 x 小于0的点和 x 大于 0的点，当 x 小于0 求 y值时，所得y = NaN,故导致函数点无法绘制，函数图像绘制失败。请知悉。
我的解决办法是 当指数不是整数时，不生成x < 0的点，这样导致函数只有x>0的部分，但不会报错不显示。
tan( ) 和 cot( )函数图像绘制不正确，请问如何修改？
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