如何做这个矩阵运算没有循环或更有效率?

I'm trying to make this operation matrices, multiplying the first column with 2, 3 and 4, the first hold value, and then multiply the second column with 3 and 4, keep the value of the third and multiply the third column with 4. I want to do this without using a "for" loop, wanted to use functions like sapply or mapply. Does anyone have an idea how to do it?I'm trying to make this operation matrices, mul