Euler method: Difference between revisions
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=={{header|EasyLang}}==
[https://easylang.online/show/#cod=jZDdasJAEIXv5ykOFoo/uIyRoCnNE3gnuZcYVw3EbFjHxvTpy6zWqrTQuz3zc3bOly2RImJaIMWYDc9oe6oL5HVedVIWyBgCQwC8lZOvkS0xQj9jjJEtBxiicS0iM5vMozn6CwwhAzLUyVmQIomp8a7Axuft6maaYw1zcS1c5TyYExUH92ExZ+iy6mAyThGrEHsW9L49elraOg/9JYc4rLUCoCprC/lJMGFGcDNkSO/Y+XJDOtWWG9mDzZTU+1h+Wkzp8VLWdXrBhUptW3H1qnCuKusdxB6aBzaavh+qAQ6Zu/D2VFmPjkP4o9hGoz9SKFz1Twq6/4YeXoNTqCuGMI0UHeur3ZeVknh/RtNdpWCU3gzC6lVj+By1uwd4zaJgAx9MGAnz770Y/FcrAidM9AU= Run it]
<syntaxhighlight>
TR = 20
func f t temp .▼
K = -0.07
func analytic T0 t
return TR + (T0 -
.
ytxt = 95
proc euler y0 a b s col . .▼
proc draw_analytic a b . .
color 009
move 80 ytxt
ytxt -= 5
text "analytic"
for t = a to b
line t analytic 100 t
.
.
drawgrid▼
textsize 3
draw_analytic 0 100
#
return K * (temp - TR)
.
color col
move 80 ytxt
▲ linewidth 0.3
ytxt -= 5
text "step: " & step
t = a
y = y0
while t < b
line t y
t +=
y +=
.
.
▲drawgrid
▲euler 100 0 100 2 009
</syntaxhighlight>
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