\
set term svg background rgb "white"; \
set out "times.svg"; \
set xlabel "matrix size"; \
set ylabel "Givens QR-factorization time, sec"; \
set title "Givens QR-factorization time as function of matrix size (`uname -m`)"; \
set key left; \
f(x)=b+(x/a)**3; \
b=0.1; a=10; \
fit f(x) "out.times.txt" via b,a; \
T = sprintf("fit: %4.1f+(n/%3.0f)^3",b,a); \
plot "out.times.txt" title "measurement", f(x) title T; \