Usage of "by trial and error"

In an empirical manner.

Usage of by trial and error in English

He wandered all around the city, learning things by trial and error. 
 The new yorker 

Children learn language, as they do many other things, by trial and error. 
 BBC 

All of that knowledge is acquired by observation and by trial and error. 
 Guns, germs, and steel: the fates of human societies 

Biology is now driven by genomics, not by trial and error. 
 The new yorker 

But, like all budding gardeners, he learned by trial and error. 
 The Irish Times 

All he could hope to do was tackle the problem by trial and error. 
 Complete Books of Blood 

She had improved her culinary skills over the years, mostly by trial and error. 
 Family ties 

So, like the violin, it is possible to learn magic by trial and error. 
 Foxglove Summer 

Our program learns by trial and error the fastest method of completing one task. 
 The Irish Times 

Like them, he seems to have stumbled on the principle by trial and error. 
 The tipping point: how little things can make a big difference 

No, he needed to simply work through a bunch of theories by trial and error. 
 Spiral 

The rest of the team were busy adapting their equipment to Legacy by trial and error. 
 Stars rain down 

We had to learn by trial and error. 
 Anathem 

Everything I did was by trial and error. 
 For the love of mike 

He was tempted to set himself adrift and try to solve the problem by trial and error. 
 Ender’s Game 

But perhaps they learned some way of tapping into it by trial and error or by accident. 
 Map of bones 

Meanings of by trial and error in English