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author | Anton Luka Šijanec <anton@sijanec.eu> | 2022-03-22 23:00:17 +0100 |
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committer | Anton Luka Šijanec <anton@sijanec.eu> | 2022-03-22 23:00:17 +0100 |
commit | c29b044bf5cc874782b0fece6399768b66e5c43b (patch) | |
tree | d65ca07d6939e8be1af508cbd87c1c30c680f00b | |
parent | učenje biologije (diff) | |
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-rw-r--r-- | inf/razno/complexbench.c | 43 | ||||
-rw-r--r-- | mat/formule.tex (renamed from mat/trigonometrija.tex) | 14 |
2 files changed, 54 insertions, 3 deletions
diff --git a/inf/razno/complexbench.c b/inf/razno/complexbench.c new file mode 100644 index 0000000..ceb1129 --- /dev/null +++ b/inf/razno/complexbench.c @@ -0,0 +1,43 @@ +#include <complex.h> +#include <stdio.h> +#include <time.h> +#include <stdlib.h> +struct kompleksno { + long double r; + long double i; +}; +struct kompleksno množi (struct kompleksno a, struct kompleksno b) { + struct kompleksno r; + r.r = (a.r * b.r) - (a.i * b.i /* ii = -1 */); + r.i = (a.i * b.r) + (a.r * b.i); /* zakon o distributivnosti */ + return r; +} +struct kompleksno seštej (struct kompleksno a, struct kompleksno b) { + a.r += b.r; + a.i += b.i; + return a; +} +int main (int argc, char ** argv) { + long double complex c = 0.001 + 0.0001 * I; + struct kompleksno k = { .r = 0.001, .i = 0.0001 }; + long double complex a = -0.5 + 0.55 * I; + struct kompleksno s = { .r = -0.5, .i = 0.55 }; + int število = argc > 1 ? atoi(argv[1]) : 10000; + clock_t cikli = clock(); + for (int i = 0; i < število; i++) { + c = c*c + a; + if (creall(c) > 0.01 && cimagl(c) < -0.02) + c += 0.00003; + } + fprintf(stderr, "rezultat complex.h: %Lf+%Lfi\n", creall(c), cimagl(c)); + fprintf(stderr, " porabljen čas: %ld ciklov\n", clock()-cikli); + cikli = clock(); + for (int i = 0; i < število; i++) { + k = seštej(množi(k, k), s); + if (k.r > 0.01 && k.i < -0.02) + k.r += 0.00003; + } + fprintf(stderr, "rezultat na roke: %Lf+%Lfi\n", k.r, k.i); + fprintf(stderr, " porabljen čas: %ld ciklov\n", clock()-cikli); + return 0; +} diff --git a/mat/trigonometrija.tex b/mat/formule.tex index c9cfff5..1995684 100644 --- a/mat/trigonometrija.tex +++ b/mat/formule.tex @@ -28,7 +28,7 @@ } \AddEnumerateCounter{\xslalph}{\@xslalph}{m} \makeatother -\title{Trigonometrične formule} +\title{Formule} \author{Anton Luka Šijanec, 3. a} \begin{document} \maketitle @@ -36,7 +36,7 @@ % Spisek izbranih trigonometričnih izrekov bom kot pripomoček imel na drugem testu pri matematiki v tretjem letniku. % \end{abstract} % \tableofcontents -\section{Drugi test} +\section{Trigonometrija: Drugi test} \begin{multicols}{2} \begin{tabular}{|c|c|c|c|c|c|} \hline @@ -90,7 +90,7 @@ $$2\sin^2\frac{\alpha}{2}=1-\cos\alpha$$ $$\tan^2\frac{x}{2}=\frac{1-\cos\alpha}{1+\cos\alpha}$$ \end{multicols} -\section{Tretji test} +\section{Trikotniki in krogi: Tretji test} \begin{multicols}{2} $$s=\frac{a+b+c}{2} \wedge S=\sqrt{s(s-a)(s-b)(s-c)}$$ $$S_\text{trikotnika v izseku}=\frac{r^2\sin\alpha}{2}$$ @@ -116,6 +116,14 @@ $$f(x)\neq-f(x)\nLeftrightarrow f(-x)=-f(x) \text{ in obratno}$$ $$f(x)=-f(x) \wedge f(-x)=-f(x) \Leftrightarrow f(x)=0$$ \end{multicols} +\section{Trorazsežnostna geometrijska telesa: Četrti test} % todo: funkcije na likih - notranji kot, prisekana piramida, prisekan stožec, kuboktaeder, tetraeder, včartavanje teles v druga telesa +\begin{multicols}{2} + $$S_\text{odseka}=r^2\pi\frac{\alpha}{\ang{360}}-\frac{r^2\sin\alpha}{2}$$ + $$V_\text{piramide}=\frac{P_\text{osnovna}v}{3}$$ + $$P_\text{stožca}=\frac{s\cdot2\pi r}{2}\text{(špornova fora)}+r^2\pi=r\pi\left(r+s\right)$$ + $$V_\text{stožca}=\frac{r^2v\pi}{3}$$ + $$P_\text{enakostraničnega trikotnika}=\frac{a^2\sqrt{3}}{4}$$ +\end{multicols} \section{Zaključek} \hologo{LaTeX} izvorna koda dokumenta je objavljena na \url{https://git.sijanec.eu/sijanec/sola-gimb-3}. Za izdelavo dokumenta je potreben \texttt{TeXLive 2020}. \if\razhroscevanje1 |