problem with postscript

[Umme Salma]

hi,

given below is a piece of code.

+++++++++++++++++++++++++++++++++++++++++

a=strcat('afirE_afirEaux',num2str(j),'.ps');

eval(['gset output "', a,'"']);

plot(svec,afirE(start:stop),"-1;afirE;",svec,afirEaux(start:stop),"-2;afirEaux;",svec,eda(start:stop),"-3;eda;",svec,edc(start:stop),"-4;edc;");

+++++++++++++++++++++++++++++++++++++++++++

the expected output is to have all four variables(lines) to come on the same page.but when i run this code i get 4 pages .

page1 has one line,the second page 2 lines,third page has 3 lines and the fourth page has 4 lines.

how do i solve this problem

regards,

salma

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