एक गणितीय सूत्र जो सिग्नल फ्लो ग्राफ का उपयोग करके रैखिक प्रणाली (linear system) के ट्रांसफर फ़ंक्शन को निर्धारित करता है, उसे __________ के रूप में जाना जाता है।

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?