k=15): denom = k+1 norm = sum([2*(1/i - 1.0/(denom)) for i in range(1, denom)]) #use to tokenize the URLs ws_tok = sm.WhitespaceTokenizer() #keep only first k URLs serps_1 = ws_tok.tokenize(serps ...

Implement Linear Regression in Python from Scratch ! In this video, we will implement linear regression in python from scratch. We will not use any build in models, but we will understand the code ...

A trio of trappers were patrolling remote backroads when a 16-foot python jumped out. They teamed up to capture it.

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Among many tools, they’ll use sum-of-the-parts analyses, comparisons with private-market deals, and discounted cash flow modeling. A stock-selection committee—made up of three international ...

A growth-focused company may not pay dividends at all or pay small amounts so that it can use retained earnings to finance expansion activities. Companies may use their retained earnings to ...

Discover how Einstein’s theory of special relativity reshaped physics by linking space, time, mass, and energy in a universe governed by the speed of light. Albert Einstein's 1905 theory of ...

A simple realization of switchable or/xor logic gates at 40 Gb/s is proposed and numerically demonstrated using sum-frequency generation in a PPLN waveguide. By appropriately adjusting the input ...

It is asserted that the robust stability of any system over any semialgebraic set (satisfying a mild condition) is equivalent to solvability of a semidefinite programming (SDP) problem, which can be ...