矩阵乘法没你想的那么可怕——不就是个超级 Excel VLOOKUP 吗？

Yi Ting Dao Ju Zhen Jiu Xiang Tao?

Wo Dong Ni. Dan Ju Zhen Cheng Fa Jiu Shi Ge Pi Chu Li Gong Ju.

Cong Nai Cha Dian Kai Shi

Ni Kai Le Jia Nai Cha Dian, San Zhong Kou Wei: Yuan Wei 100 120 110, Mo Cha 80 90 95, Yu Ni 60 70 85.

Zhe Jiu Shi Ge 3x3 Ju Zhen. Jia Ge: Yuan Wei 15, Mo Cha 18, Yu Ni 20. Yi Yue = 100x15 + 80x18 + 60x20 = 4140.

Ju Zhen Cheng Fa = Hang x Lie, Dui Ying Xiang Cheng Zai Xiang Jia.

Gen VLOOKUP Bi? VLOOKUP Dan Cha, Ju Zhen Cheng Fa Quan Cha Bing Suan. Suo Yi Ta Shi VLOOKUP De Chao Ji Sheng Ji Ban.

You Xi Li Jiao Se Dong Zuo Shi Ju Zhen Zai Da Gong. ChatGPT Hui Da Ni Shi Zai Zuo Tian Wen Ju Zhen Cheng Fa.