Electronic device

A method for an electronic device comprising:

• N first wirings;
• a second wiring intersecting the N first wirings;
• first to N-th element devices (including an n-th element device (n is an integer greater than or equal to 1 and less than or equal to N)) provided at intersections of the N first wirings and the second wiring;
• a detecting circuit;
• a decoder;
• and
• a driver,
• wherein the first to N-th element devices include an n-th element device (n is an integer greater than or equal to 1 and less than or equal to N),
• wherein the detecting circuit is capable of detecting a first physical quantity of the second wiring and transmitting a digital signal obtained by digitizing the first physical quantity to the decoder, and
• wherein each of the first to N-th element devices is capable of changing the first physical quantity in accordance with a signal of a corresponding one of the N first wirings,
• the method comprising:
• transmitting coded signals based on a Hadamard matrix from the driver to the decoder and the N first wirings;
• and
• performing arithmetic processing with use of the coded signals and the digital signal and calculating a value based on a second physical quantity of the n-th element device,
• wherein the value based on the second physical quantity of the n-th element device is calculated as a difference from a value based on a second physical quantity of one of the first to N-th element devices excluding the n-th element device.