Difference between revisions of "Assume Command"

From GeoGebra Manual
Jump to: navigation, search
(:{{example|1=<code><nowiki>Assume(x>0 && n>0,Solve(log(n^2*(x/n)^lg(x))=log(x^2),x))</nowiki></code> yields <code>{x = 100, x = n}</code>}})
m (better formatting of examples)
Line 3: Line 3:
 
;Assume( <Condition>, <Expression> )
 
;Assume( <Condition>, <Expression> )
 
:Evaluates the expression according to the condition
 
:Evaluates the expression according to the condition
:{{example|1=<code><nowiki>Assume(a > 0,Integral(exp(-a x), 0, infinity))</nowiki></code> yields <code>1 / a</code>.}}
+
:{{examples|<div>
:{{example|1=<code><nowiki>Assume(x>0 && n>0,Solve(log(n^2*(x/n)^lg(x))=log(x^2),x))</nowiki></code> yields <code>{x = 100, x = n}</code>}}
+
:*<code><nowiki>Assume(a > 0, Integral(exp(-a x), 0, infinity))</nowiki></code> yields <code>1 / a</code>.
 +
:*<code><nowiki>Assume(x>0 && n>0, Solve(log(n^2*(x/n)^lg(x))=log(x^2), x))</nowiki></code> yields <code>{x = 100, x = n}</code></div>}}
  
  

Revision as of 10:53, 19 March 2019


CAS Syntax

Assume( <Condition>, <Expression> )
Evaluates the expression according to the condition
Examples:
  • Assume(a > 0, Integral(exp(-a x), 0, infinity)) yields 1 / a.
  • Assume(x>0 && n>0, Solve(log(n^2*(x/n)^lg(x))=log(x^2), x)) yields {x = 100, x = n}



Note: See also Solve Command.
© 2024 International GeoGebra Institute