creating .mat files with variables

hello all how can i create as .mat file with 4 variables in it of diff sizes like a=1x1 mtx,b=100x128mtx,c=116x128 mtx and d=1x128 mtx.

Answer 1

[TAB]

a=10;
b=rand(100,128);
c=rand(116,128);
d=rand(1,128);
save('myfile.mat','a','b','c','d');

[PK]

Is it possible to create one variable with the specific ranges like b=100x128 matrix in the range of [0.001 to 0.005]