Oration
发表于 2025-3-27 00:17:41
AnalysisThe function D,x] does partial differentiation with respect to a variable (here x).
galley
发表于 2025-3-27 03:04:17
Lists lists are powerful objects. They provide an efficient way of manipulating groups of expressions as a whole.
Germinate
发表于 2025-3-27 08:58:23
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暴露他抗议
发表于 2025-3-27 11:45:41
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meditation
发表于 2025-3-27 13:36:04
Basic ProgrammingEverything you type in . is an expression. An expression is of the form f where f is the Head of the expression which identifies its type. Expressions look like functions (or functions are expressions).
离开就切除
发表于 2025-3-27 21:41:43
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Coronary
发表于 2025-3-28 01:57:44
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新娘
发表于 2025-3-28 03:53:03
Duffing OscillatorThe Duffing equation is .where . and . ≻ 0 are two parameters. Depending upon the sign of . we have either a single-well (. ≺ 0) or a double-well (. ≻ 0) anharmonic potential . defined by .We can ask . to plot the potential when . is either negative or positive.
拖网
发表于 2025-3-28 09:53:54
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Sarcoma
发表于 2025-3-28 11:50:40
Motion of a Bead on a Rotating Circle ., the Cartesian coordinates of the bead in terms of these generalized coordinates are . = . sin . cos . = . sin . sin ., and . = . cos ., if we take . = 0 at the bottom of the circular wire. Let us draw the figure.