powershell作图

 
Add-Type -AssemblyName System.Windows.Forms.DataVisualization
# 定义画反抛物线的函数
function Plot-DoubleParabola {
    param(
        [double]$a,
        [double]$b,
        [double]$c
    )

    # 创建x值的数组
    $xValues = -100..100

    # 计算每个x值对应的y值
    $yValues = foreach ($x in $xValues) {
        -$a * $x * $x + $b * $x + $c
    }
    
    
    # 使用散点图画反抛物线
    $chart = New-Object -TypeName System.Windows.Forms.DataVisualization.Charting.Chart


    $chart.Titles.Add('反抛物线')
    $chart.ChartAreas.Add('ChartArea1')
    $chart.Series.Add('Series1')
    $chart.Series['Series1'].ChartType = 'Point'
    for ($i = 0; $i -lt $xValues.Count; $i++) {
        $chart.Series['Series1'].Points.AddXY($xValues[$i], $yValues[$i])
    }

    $form = New-Object -TypeName System.Windows.Forms.Form
    $form.controls.Add($chart)
    $chart.Dock = [System.Windows.Forms.DockStyle]::Fill
    
    $form.ShowDialog()
}

# 使用反抛物线的系数调用函数
Plot-DoubleParabola -a 0.01 -b 0 -c 0
la -a 0.01 -b 0 -c 0