如何变换矩阵以便我可以使用ggplot进行绘图

I have a matrix in R that I can plot using matplot however it is hard to customize the plot. I would like to plot using the R package ggplot however it will not work using a matrix. I am not sure what transformations are required of the matrix to allow the data to work with ggplot.I have a matrix in R that I can plot using matp