{"title":"Exercise 1.19","summary":null,"repo":"psholtz/MIT-SICP","sha":"0d92712acf8fc427661da6b649dea55f1dd77e45","actor":"psholtz","page_name":"Fast Fibonacci Number Matrix Calculation","actor_gravatar":"d902ea3e0e4c9023a85a0980b64c4b88","action":"edited"}