login-bg.svg

login-bg.svg是一个矢量图形文件，通常用于提供网站或应用程序的登录页面的背景。它通常包含了一些图形元素，如阴影、渐变和颜色亮度来提高视觉效果。通常login-bg.svg是被网站或应用程序的开发人员制作，以满足特定需求。在它的制作过程中，还需要采用一些设计技巧，如色彩学、字体选择和图形排版，来确保它的视觉效果达到最佳状态。此外，login-bg.svg也需要遵循网站或应用程序的视觉风格和品牌标识形象，以充分体现企业形象。总的来说，login-bg.svg的作用是为网站或应用程序的登录页面提供优美的视觉效果，从而吸引用户进一步了解、使用和推广该网站或应用程序。

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<?xml version="1.0" encoding="utf-8"?> <!-- Generator: Adobe Illustrator 19.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0) --> <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="-89 46 72 72" enable-background="new -89 46 72 72" xml:space="preserve"> <path fill="none" stroke="#231F20" stroke-width="2" stroke-miterlimit="10" d="M-56.963,64.442 c-4.199,0.947-8.074,3.392-10.749,7.186c-5.728,8.125-3.785,19.355,4.339,25.083c0.007,0.005,0.014,0.009,0.022,0.014"/> <g> <polygon fill="#231F20" points="-59.303,88.472 -69.431,103.621 -56.794,101.11 "/> </g> <path fill="none" stroke="#231F20" stroke-width="2" stroke-miterlimit="10" d="M-49.038,99.558 c4.199-0.947,8.074-3.392,10.749-7.186c5.728-8.125,3.785-19.355-4.339-25.083c-0.007-0.005-0.014-0.009-0.022-0.014"/> <g> <polygon fill="#231F20" points="-46.698,75.528 -36.57,60.379 -49.207,62.89 "/> </g> <g> <path fill="none" d="M-71.309,68.986"/> </g> </svg> 镜像翻转它

好的，我将为你镜像翻转这个SVG图片。请稍等一下。

<?xml version="1.0" encoding="utf-8"?>
<!-- Generator: Adobe Illustrator 19.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0) -->
<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
viewBox="-89 46 72 72" enable-background="new -89 46 72 72" xml:space="preserve" style="transform: scaleX(-1);">
<path fill="none" stroke="#231F20" stroke-width="2" stroke-miterlimit="10" d="M-56.963,64.442
c-4.199,0.947-8.074,3.392-10.749,7.186c-5.728,8.125-3.785,19.355,4.339,25.083c0.007,0.005,0.014,0.009,0.022,0.014"/>
<g>
<polygon fill="#231F20" points="-59.303,88.472 -69.431,103.621 -56.794,101.11 "/>
</g>
<path fill="none" stroke="#231F20" stroke-width="2" stroke-miterlimit="10" d="M-49.038,99.558
c4.199-0.947,8.074-3.392,10.749-7.186c5.728-8.125,3.785-19.355-4.339-25.083c-0.007-0.005-0.014-0.009-0.022-0.014"/>
<g>
<polygon fill="#231F20" points="-46.698,75.528 -36.57,60.379 -49.207,62.89 "/>
</g>
<g>
<path fill="none" d="M-71.309,68.986"/>
</g>
</svg>

这是镜像翻转后的SVG图片。如果你有其他问题，请随时提问！

Call: ## arima(x = x1, order = c(12, 1, 0), seasonal = list(order = c(0, 1, 1), period = 12)) ## ## Coefficients: ## ar1 ar2 ar3 ar4 ar5 ar6 ar7 ar8 ## -0.6621 -0.5962 -0.5525 -0.5133 -0.5323 -0.5091 -0.5258 -0.5216 ## s.e. 0.0639 0.0755 0.0833 0.0866 0.0890 0.0882 0.0917 0.0917 ## ar9 ar10 ar11 ar12 sma1 ## -0.4165 -0.3249 -0.2367 -0.1331 -0.8851 ## s.e. 0.0957 0.0898 0.0811 0.0670 0.0662 ## ## sigma^2 estimated as 6.333: log likelihood = -575.8, aic = 1179.6

根据您提供的ARIMA模型结果，可以写出ARIMA模型的方程如下：

ARIMA(12, 1, 0) × (0, 1, 1)12

<img src="https://latex.codecogs.com/svg.latex?{\Large&space;(1-(-0.6621)L-(-0.5962)L^2-(-0.5525)L^3-(-0.5133)L^4-(-0.5323)L^5-(-0.5091)L^6-(-0.5258)L^7-(-0.5216)L^8-(-0.4165)L^9-(-0.3249)L^{10}-(-0.2367)L^{11}-(-0.1331)L^{12})(1-L)^1Y_t=(1+(-0.8851)L^{12})\varepsilon_t}" title="ARIMA(12, 1, 0) × (0, 1, 1)12方程" />

其中，ARIMA(12, 1, 0)表示AR模型阶数为12，差分次数为1，MA模型阶数为0；(0, 1, 1)12表示季节性差分阶数为1，季节性MA模型阶数为1，季节周期为12；L是一个滞后算子，L(Y_t)=Y_{t-1}；Y_t表示时间序列的观测值；ε_t表示误差项，满足ε_t~N(0, σ^2)。其中，AR模型的系数为-0.6621, -0.5962, -0.5525, -0.5133, -0.5323, -0.5091, -0.5258, -0.5216, -0.4165, -0.3249, -0.2367, -0.1331，MA模型的系数为-0.8851，差分次数为1。