How to prevent the immediaetly evaluation after substitute a variable

• Subject: How to prevent the immediaetly evaluation after substitute a variable
• From: Ralf Jung
• Date: Mon, 23 Jan 2012 20:27:03 +0100

Dear maxima list members,

here a example what's happend

(%i1)    x : 2*sqrt(h)

(%o1)   2sqrt(h)

(%i2)    subst([h=0.3], x)

(%o2)   1.095445115010332

But I want this outcome

(%o2)   2sqrt(0.3)

is it possible to stop the immediaetly evaluation after subst, so I
can see first my expression with all the variables changed?

ralf

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