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the world > relative properties > number > calculus > [noun] > differential calculus > differential equations (10)
Cauchy–Riemann equations1914

the partial differential equations which must be satisfied if a function f(x, y) of two variables, separable into a real part u and an imaginary part…

Mathieu's equation1915

a differential equation arising in connection with elliptically symmetrical systems, having the form d2 y/dx 2 + (a + b cos 2x)y = 0, where a and b

Subcategories:

— solutions (3)
— conditions (4)
— integrating factor (1)
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