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 !goto proc
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 !goto proc
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!endif
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!endif
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slib_title=The bound of a real function of two variables within a rectangle [x1,x2],[y1,y2]
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slib_parms=7\
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,the function expression\
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[x,y],the variable names\
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0,x1\
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1,x2\
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0,y1\
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1,y2\
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50,number of cutting steps (<=1000)
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slib_author=Bernadette Perrin-Riou
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slib_author=Bernadette Perrin-Riou
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slib_out=min,max
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slib_comment=This script computes the minimum and the maximum of a function\
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 of two variables within a rectangle, in a very approximative way. Its main purpose is for\
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 plotting uses.
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 slib_example=x^2+sin(x*y)+exp(y^2),[x,y],0,3,-3,2,50
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slib_example=x^2+sin(x*y)+exp(y^2),[x,y],0,3,-3,2,50
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!exit
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!exit
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:proc
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:proc
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!distribute items $wims_read_parm into slib_fn,slib_var,slib_x1,slib_x2,slib_y1,slib_y2,slib_steps
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!distribute items $wims_read_parm into slib_fn,slib_var,slib_x1,slib_x2,slib_y1,slib_y2,slib_steps