# 需要导入模块: import numpy [as 别名]# 或者: from numpy importdot[as 别名]def_BtDB(self,s,r):"""dotproduct of B^T, D, B params: s,r:natural position of evalue point.2-array. returns: 3x3 matrix. """print(self._B(s,r).transpose(2,0,1).shape) print( np.matmul( np.dot...
place of origin Guangdong, China model number KHD33881AG1D brand name Kohon Display Function Graphics Outline Dimension 31.7x31.7x8mm Dot Size 3x3mm Square Dot Number 8x8 LED Dot matrix Chip color Green, 568~573nmnm Surface color Black or Gray Polarity Anode or Cathode Work current 5~15m...
def _BtDB(self,s,r): """ dot product of B^T, D, B params: s,r:natural position of evalue point.2-array. returns: 3x3 matrix. """ print(self._B(s,r).transpose(2,0,1).shape) print( np.matmul( np.dot(self._B(s,r).T,self._D), self._B(s,r).transpose(2,0,1))....
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Product name:3X3mm 8x8 ultra red dot matrix LED display 60.2x60.2mm;Keyword:3X3mm 8x8 ultra red led dot matrix display;Current:30 mA;Voltage:2.1~2.5 V;LED chips:EpiLEDs, Epistar Bridgleux;Lifespan:50000 hours;Warranty:3 years;Certification:CE, RoHS;type
Name:Dot matrix led display;HS Code:853 120 0000;Polarity configuration:Common Anode row pin;Dot size:3x3 mm square dot;Display size:31.7 x 31.7 x 8 mm;Emitting color:Yellow;Brightness:70 - 100 Mcd @ 20 MA;Surface color:Black surface white dot;Soldering
Very nice matrix display, good communication with the seller, nice price setting, fast manufacturing and shipment. Very well packed goods. Recommended! Super Red 3x3mm 11x7 dot matrix led display led module Houkem-13117-A/BSR CC CA $0.75 See product details Supplier...
Very nice matrix display, good communication with the seller, nice price setting, fast manufacturing and shipment. Very well packed goods. Recommended! Super Red 3x3mm 11x7 dot matrix led display led module Houkem-13117-A/BSR CC CA Supplier's reply: Thank you for your comments....
MT_Matrix3x3 mat;MT_Vector3y(MT_Scalar(0.0f),MT_Scalar(1.0f),MT_Scalar(0.0f));MT_Vector3z(MT_Scalar(0.0f),MT_Scalar(0.0f),MT_Scalar(1.0f));/* world Z axis is the global up axis */MT_Vector3 proj; MT_Vector3 right; ...
Very nice matrix display, good communication with the seller, nice price setting, fast manufacturing and shipment. Very well packed goods. Recommended! Super Red 3x3mm 11x7 dot matrix led display led module Houkem-13117-A/BSR CC CA Supplier's reply: Thank you for your comments. If any prob...