The standard way in which the Wolfram System works is to take any expression you give as input, evaluate the expression completely, and then return the result.

Evaluate[expr] causes expr to be evaluated even if it appears as the argument of a function whose attributes specify that it should be held unevaluated.

Evaluation of Expressions · Principles of Evaluation · Reducing Expressions to Their Standard Form · Attributes · The Standard Evaluation Procedure ...

5 июн. 2013 г. · In Maple, you right click and can evaluate an expression (whatever it is) at a specific point say: Expr.= abcddafjosjfoj, then right click and simply evaluate ... How to symbolically evaluate expression within If[]? Why is expression not evaluated completely? [closed] Другие результаты с сайта mathematica.stackexchange.com

A collection of flexible primitives that allow finer control over the process of evaluation in cases where it is needed.

By using Evaluate, you can get any argument of a function evaluated immediately, even if the argument would usually be evaluated later under the control of the ...

26 апр. 2012 г. · You can use functions like Apply and Map to evaluate a function in a list of points, for example f[x_, y_] := -4 x + x^2 - 4 y - y^2. How exactly works Evaluate function in Wolfram Mathematica ... Preventing evaluation of Mathematica expressions Другие результаты с сайта stackoverflow.com

29 сент. 2023 г. · Causal Graphs and Spacetime. The standard evaluator in the Wolfram Language applies evaluation events to an expression in a particular order. Top · Multiway Evaluation and... · Transfinite Evaluation