Piaget's (1936, 1950) theory of cognitive development explains how a child constructs a mental model of the world. . The goal of the theory is to explain the mechanisms and processes by which the infant, and then the child, develops into an individual who can reason and think using hypotheses
Saturday, November 20, 2021
what is transpose of a matrix
The transpose of a matrix is obtained by changing its rows into columns and its columns into rows. A rectangular array of numbers or functions that are arranged
Sunday, November 14, 2021
what is rectifier
A rectifier is an electrical device that converts alternating current, which periodically reverses direction, to direct current, which flows in only one direction. The reverse operation is performed by the inverter. The process is known as rectification, since it "straightens" the direction of current.
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