: a number of the form a + b √-1 where a and b are real numbers
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The wave function for two particles involves four complex numbers; extending Stueckelberg’s formulation to two particles increases the description to 16 real numbers.—Daniel Garisto, Quanta Magazine, 7 Nov. 2025 For some equations with singularities — points where the answers turn into infinity — looking at the nearby behavior with complex numbers can sometimes provide insight.—Kenneth Chang, New York Times, 26 Mar. 2025 Even mathematical giants found complex numbers difficult to swallow.—William Ross, The Conversation, 10 Mar. 2025 However, the model failed on the hidden code and complex number set prompts, making basic errors in counting and/or arithmetic that one or both of the OpenAI models avoided.—Ars Technica, 28 Jan. 2025 See All Example Sentences for complex number
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