Learn how to calculate the equation of a line from a graph, work out the gradient from an equation, and visualise intercepts with this step-by step guide.

右边的梯度方向矩阵中可以看到角度是0-180度，不是0-360度，这种被称之为"无符号"梯度 ("unsigned" gradients)，因为一个梯度和它的负数是用同一个数字 ...

How to Find the Slope of a Line on an Excel Graph. In math and statistics, you may occasionally need to calculate the slope of a line generated by coordinates in the (x,y) format. The slope is a ...