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Questions tagged [integral]

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2
votes
0answers
138 views

Trapezoidal rule with pgfplots [duplicate]

I'm looking for a way to illustrate Trapezoidal rule. I've seen this code to illustrate Riemann sums (Riemann sum with pgfplots -- can't seem to make graph look right) but I don't see how to adapt ...
2
votes
0answers
271 views

Integral too big [closed]

Integral become too big. Code: \documentclass[10pt,a4paper]{article} \usepackage{cmap} \usepackage[T2A]{fontenc} \usepackage[utf8]{inputenc} \usepackage[russian,english]{babel} \...
6
votes
1answer
1k views

Riemann sum plot

I have a tikz-pgf-question. I'd like to draw an arbitrary Riemann sum for simple function to illustrate the definition of \int_{a}^{b} f(x) dx. My MWE is here \documentclass{article} \usepackage{...